Xu, Jie, Hu, Daning, Chen, Hsinchun
Today terrorists usually work in network forms to conduct attacks. Terrorist networks remain active and can still function even after being severely damaged by authorities. Analyzing terrorist...
Xu, Jie, Hu, Daning, Chen, Hsinchun
Today terrorists usually work in network forms to conduct attacks. Terrorist networks remain active and can still function even after being severely damaged by authorities. Analyzing terrorist...
Xu, Jie, Hu, Daning, Chen, Hsinchun
Today terrorists usually work in network forms to conduct attacks. Terrorist networks remain active and can still function even after being severely damaged by authorities. Analyzing terrorist...
Hsinchun Chen, Homa Atabakhsh, Jennifer Jie Xu, Alan Gang Wang, Byron Marshall, Lu Chunju Tseng, ...
The goal of the COPLINK project is to develop information and knowledge management systems technologies and methodology appropriate for capturing, accessing, analyzing, visualizing, and sharing law...
Nano Mapper: an Internet knowledge mapping system for nanotechnology development (2009)
Li, Xin, Hu, Daning, Dang, Yan, Chen, Hsinchun, Roco, Mihail C., Larson, Catherine A., ...
Nanotechnology research has experienced rapid growth in recent years. Advances in information technology enable efficient investigation of publications, their contents, and relationships for large...
Proceedings of the ACM SIGKDD workshop: cybersecurity and intelligence informatics (CSI-KDD) (2009)
Chen, Hsinchun, Dacier, Marc, Paass, Gerhard, Yang, Christopher C.
Roslin V. Hauck, Robin R. Sewell, Tobun D. Ng, Hsinchun Chen, Roslin V. Hauck
The online version of this article can be found at:
Supporting Information Seeking in Multinational Organizations: A Knowledge Portal Approach (2008)
Wingyan Chung, Theodore Elhourani, Alfonso Bonillas, Guanpi Lai, Wei Xi, Hsinchun Chen
As multinational organizations increasingly use the Web to seek information, there is a need for better support of searching the Web across different regions. However, support for Internet searching...
Experiments on Chinese-English Cross-language Retrieval at NTCIR-4 (2008)
Yilu Zhou, Jialun Qin, Michael Chau, Hsinchun Chen
The AI Lab group participated in the crosslanguage retrieval task at NTCIR-4. Aiming at a practical retrieval system, our applied a dictionarybased approach incorporated with phrasal translation,...
in Law Enforcement COPLINK System Usability and User Acceptance Evaluations (2008)
Chienting Lin, Hsinchun Chen, Chienting Lin, Hsinchun Chen
Increasingly, government agencies are facing the challenge of effective implementation of information technologies critical to their digital government programs and initiatives. This article reports...
Collection of U.S. Extremist Online Forums: A Web Mining Approach (2008)
Yilu Zhou, Jialun Qin, Guanpi Lai, Hsinchun Chen
Extremists ’ exploitation of computer-mediated communications such as online forums has recently gained much attention from academia and the government. However, due to the covert nature of these...
A National Center of Excellence for Infectious Disease Informatics: Project Summary (2008)
Hsinchun Chen, Daniel Zeng, Chunju Tseng, Catherine A. Larson, Millicent Eidson, Ivan Gotham
In this project summary, we briefly present the technical objectives and accomplishments of our Infectious Disease Informatics project. We describe the inter-agency, interdisciplinary, and...
USING IMPORTANCE FLOODING TO IDENTIFY INTERESTING NETWORKS OF CRIMINAL ACTIVITY (2008)
Abstract. In spite of policy concerns and high costs, the law enforcement community is investing heavily in data sharing initiatives. Cross-jurisdictional criminal justice information (e.g., open...
Evaluating the Efficacy of a Terrorism Question Answer System: The TARA Project (2008)
Rob Schumaker, Ying Liu, Mark Ginsburg, Hsinchun Chen
Terrorism education has become a topic of interest lately. With many agencies and private organizations scrambling to provide information, the actual process of finding relevant material can...
A Framework for Exploring Gray Web Forums: Analysis of Forum-Based Communities in Taiwan (2008)
Jau-hwang Wang, Tianjun Fu, Hong-ming Lin, Hsinchun Chen
Abstract. This paper examines the “Gray Web Forums ” in Taiwan. We study their characteristics and develop an analysis framework for assisting investigations on forum communities. Based on the...
Suspect Vehicle Identification for Border Safety with Modified Mutual Information (2008)
Siddharth Kaza, Yuan Wang, Hsinchun Chen
monitors vehicles entering and leaving the country at land ports of entry. Some vehicles are targeted to search for drugs and other contraband. Customs and Border Protection agents believe that...
Evaluating Mass Knowledge Acquisition using the ALICE Chatterbot: The AZ-ALICE Dialog System (2008)
Robert P. Schumaker, Ying Liu, Mark Ginsburg, Hsinchun Chen
In this paper, we evaluate mass knowledge acquisition using modified ALICE chatterbots. In particular we investigate the potential of allowing subjects to modify chatterbot responses to see if...
Information Systems from the University of Arizona, and an M.S. in Information and (2008)
Wingyan Chung, Hsinchun Chen, Jay F. Nunamaker
Technology Management and a B.S. in Business Administration from the Chinese University of Hong Kong. His research interests include knowledge management, Web analysis and mining, artificial...
Leveraging Question Answer Technology to Address Terrorism Inquiry (2008)
Robert P. Schumaker, Hsinchun Chen
This paper investigates the potential use of dialog-based ALICEbots in disseminating terrorism information to the general public. In particular, we study the acceptance and response satisfaction of...
Discovering Identity Problems: A Case Study (2008)
G. Alan Wang, Homa Atabakhsh, Tim Petersen, Hsinchun Chen
Abstract. Identity resolution is central to fighting against crime and terrorist activities in various ways. Current information systems and technologies deployed in law enforcement agencies are...
Topological Analysis of Criminal Activity Networks: Enhancing Transportation Security (2008)
Siddharth Kaza, Jennifer Xu, Byron Marshall, Hsinchun Chen
Sharing of information between multiple tiers of government is a major focus in digital government research. Law enforcement agencies in particular can greatly benefit from information sharing....
4 A Graph Model for E-Commerce Recommender Systems (2008)
Zan Huang, Wingyan Chung, Hsinchun Chen
Information overload on the Web has created enormous challenges to customers selecting products for online purchases and to online businesses attempting to iden-tify customers ’ preferences...
Textual Analysis of Stock Market Prediction Using Financial News Articles (2008)
Robert P. Schumaker, Hsinchun Chen
This paper examines the role of financial news articles on three different textual representations; Bag of Words, Noun Phrases, and Named Entities and their ability to predict discrete number stock...
A comparative study of recommendation algorithms for e-commerce applications (2008)
Zan Huang, Daniel Zeng, Hsinchun Chen
We evaluate a wide range of recommendation algorithms on e-commerce-related datasets. These algorithms include the popular user-based and item-based correlation/similarity algorithms as well as...
Using Open Web APIs in Teaching Web Mining (2008)
Hsinchun Chen, Xin Li, Michael Chau, Yi-jen Ho, Chunju Tseng
With the advent of the World Wide Web, many business applications that utilize data mining and text mining techniques to extract useful business information on the Web have emerged from Web searching...
KNOWLEDGE MANAGEMENT, DATA MINING, AND TEXT MINING IN MEDICAL INFORMATICS (2008)
Hsinchun Chen, Sherrilynne S. Fuller, Carol Friedman
In this chapter we provide a broad overview of selected knowledge management, data mining, and text mining techniques and their use in various emerging biomedical applications. It aims to set the...
Matching Knowledge Elements in Concept Maps using a Similarity Flooding Algorithm (2008)
Byron Marshall, Hsinchun Chen, Therani Madhusudan
Concept mapping systems used in education and knowledge management emphasize flexibility of representation to enhance learning and facilitate knowledge capture. Collections of concept maps exhibit...
B. Marshall, H. Su, D. Mcdonald, H. Chen, Byron Marshall, Hua Su, ...
Systems that extract biological regulatory pathway relations from free-text sources are intended to help researchers leverage vast and growing collections of research literature. Several systems to...
Exploring the Dark Side of the Web: Collection and Analysis of U.S. Extremist Online Forums (2008)
Yilu Zhou, Jialun Qin, Guanpi Lai, Edna Reid, Hsinchun Chen
Abstract. Contents in extremist online forums are invaluable data sources for extremism reseach. In this study, we propose a systematic Web mining approach to collecting and monitoring extremist...
On the Topology of the Dark Web of Terrorist Groups (2008)
Jennifer Xu, Hsinchun Chen, Yilu Zhou, Jialun Qin
Abstract. In recent years, terrorist groups have used the WWW to spread their ideologies, disseminate propaganda, and recruit members. Studying the terrorist websites may help us understand the...
Expertise Visualization: An Implementation and Study Based on Cognitive Fit Theory (2008)
Zan Huang, Hsinchun Chen, Fei Guo, Jennifer J. Xu, Soushan Wu, Wun-hwa Chen
Expertise management systems are being widely adopted in organizations to manage tacit knowledge. These systems have successfully applied many information technologies developed for document...
Question Answer TARA: A Terrorism Activity Resource Application (2008)
Robert P Schumaker, Hsinchun Chen
Terrorism research has lately become a national priority. Researchers and citizens alike are coming to grips with obtaining relevant and pertinent information from vast storehouses of information...
Content Analysis of Jihadi Extremist Groups ’ Videos (2008)
Arab Salem, Edna Reid, Hsinchun Chen
Abstract. This paper presents an exploratory study of jihadi extremist groups’ videos using content analysis and a multimedia coding tool to explore the types of videos, groups ’ modus operandi,...
Domestic Extremist Groups on the Web: Link and Content Analysis (2008)
Yilu Zhou, Edna Reid, Jialun Qin, Hsinchun Chen, Guanpi Lai
U.S. Domestic extremist groups have increased in numbers and are intensively utilizing the Internet as an effective tool to share resources and members with limited regard for geographic, legal, or...
Using Importance Flooding to Identify Interesting Networks of Criminal Activity (2008)
Abstract. In spite of policy concerns and high costs, the law enforcement community is investing heavily in data sharing initiatives. Cross-jurisdictional criminal justice information (e.g., open...
Criminal Identity Deception and Deception Detection in Law Enforcement (2008)
Gang Wang, Hsinchun Chen, Homa Atabakhsh
Criminals often falsify their identities intentionally in order to deter police investigations. In this paper we focus on uncovering patterns of criminal identity deception observed through a case...
Global Foot-and-Mouth Disease Surveillance using BioPortal (2008)
Mark Thurmond, Andrés Perez, Chunju Tseng, Hsinchun Chen, Daniel Zeng
Abstract. The paper presents a description of the FMD BioPortal biosurveillance system
Yilu Zhou, Jialun Qin, Guanpi Lai, Edna Reid, Hsinchun Chen
Nowadays, terrorist organizations have found a cost-effective resource to advance their courses by posting high-impact Web sites on the Internet. This alternate side of the Web is referred to as the...
Summary in Context: Searching Versus Browsing (2008)
Daniel M. Mcdonald, Hsinchun Chen
The use of text summaries in information-seeking research has focused on query-based summaries. Extracting content that resembles the query alone, however, ignores the greater context of the...
DGPort: A Web Portal for Digital Government (2008)
Chun Q. Yin, L. Dwayne Nickels, T. Gavin Ng, Hsinchun Chen
This paper provides a summary of the initial development of a Web portal for the digital government domain. Information retrieval techniques commonly used to find information on the Internet are...
Chapter 2 MAPPING MEDICAL INFORMATICS RESEARCH (2008)
Shauna Eggers, Zan Huang, Hsinchun Chen, Lijun Yan, Cathy Larson, Asraa Rashid, ...
Abstract: The ability to create a big picture of a knowledge domain is valuable to both experts and newcomers, who can use such a picture to orient themselves in the field’s intellectual space,...
Collaborative filtering is one most successful approach to recommendation reported in the literature. It automates the “Word of Mouth ” recommendation by suggesting products liked by other...
Chapter 21 JOINT LEARNING USING MULTIPLE TYPES OF DATA AND KNOWLEDGE (2008)
Zan Huang, Hua Su, Hsinchun Chen
Abstract: This chapter discusses joint learning research in biomedical domains. A brief review of the field of joint learning research is given, with emphases on the large-scale data and knowledge...
A comparative study of recommendation algorithms for e-commerce applications (2008)
Zan Huang, Daniel Zeng, Hsinchun Chen
We evaluate a wide range of recommendation algorithms on e-commerce-related datasets. These algorithms include the popular user-based and item-based correlation/similarity algorithms as well as...
Connecting NSF Funding to Patent Innovation in Nanotechnology (2008)
Zan Huang, Hsinchun Chen, Xin Li, Mihail C. Roco
Nanotechnology research has experienced growth rapid in knowledge and innovations; it also attracted significant public funding in recent years. Several countries have recognized nanotechnology as a...
Expertise Visualization: An Implementation and Study Based on Cognitive Fit Theory (2008)
Zan Huang, Hsinchun Chen, Fei Guo, Jennifer J. Xu, Soushan Wu, Wun-hwa Chen
Expertise management systems are being widely adopted in organizations to manage tacit knowledge. These systems have successfully applied many information technologies developed for document...
The increasing amount of publicly available literature and experimental data in biomedicine makes it hard for biomedical researchers to stay up-to-date. Genescene is a toolkit that will help...
DGPort: A Web Portal for Digital Government (2008)
Chun Q. Yin, L. Dwayne Nickels, T. Gavin Ng, Hsinchun Chen
This paper provides a summary of the initial development of a Web portal for the digital government domain. Information retrieval techniques commonly used to find information on the Internet are...
A Geographic Knowledge Representation System for Multimedia Geospatial Retrieval and Analysis (2007)
Hsinchun Chen, Terence R. Smith, Mary L. Larsgaard, Linda L. Hill, Marshall Ramsey
Digital libraries serving multimedia information that may be accessed in terms of geographic content and relationships are creating special challenges and opportunities for networked information...
Abstract MedTextus: An Ontology-enhanced Medical Portal (2007)
In this paper we describe MedTextus, an online medical search portal with dynamic search and browse tools. To search for information, MedTextus lets users request synonyms and related terms...
ARTICLE IN PRESS Design and evaluation of a multi-agent collaborative Web mining system (2007)
Michael Chau, Daniel Zeng, Hsinchun Chen, Michael Huang, David Hendriawan
Most existing Web search tools work only with individual users and do not help a user benefit from previous search experiences of others. In this paper, we present the Collaborative Spider, a...
Abstract CI Spider: a tool for competitive intelligence on the Web (2007)
Hsinchun Chen, Michael Chau, Daniel Zeng
Competitive Intelligence (CI) aims to monitor a firm’s external environment for information relevant to its decision-making process. As an excellent information source, the Internet provides...
Crime Data Mining: An Overview and Case Studies (2007)
Hsinchun Chen, Wingyan Chung, Yi Qin, Michael Chau, Jennifer Jie Xu, Gang Wang, ...
The concern about national security has increased significantly since the 9/11 attacks. However, information overload hinders the effective analysis of criminal and terrorist activities. Data mining...
NanoPort: An Example for Building Knowledge Portals for Scientific Domains (2007)
Jialun Qin, Zan Huang, Yilu Zhou, Michael Chau, Chunju Tseng, Alan Yip, ...
We describe the NanoPort (www.nanoport.org) system to demonstrate a general framework of building domainspecific knowledge portals. These portals consolidate diverse information resources and provide...
A shallow parser based on closed-class words to capture relations
Nicholas C. Romano, Christina Bauer, Hsinchun Chen, Jay F. Nunamaker
This paper describes a study to explore the integration of Group Support Systems (GSS) and Artificial Intelligence (AI) technology to provide solicitation, analytical, visualization and sense-making...
www.elsevier.comrlocaterdsw Multidimensional scaling for group memory visualization 1 (2007)
Michael J. Mcquaid, Thian-huat Ong, Hsinchun Chen, Jay F. Nunamaker
We describe an attempt to overcome information overload through information visualization — in a particular domain, group memory. A brief review of information visualization is followed by a brief...
Updateable PAT-Tree Approach to Chinese Key Phrase (2007)
Extraction Using Mutual, Thian-huat Ong, Hsinchun Chen
There has been renewed research interest in using the statistical approach to extraction of key phrases from Chinese documents because existing approaches do not allow online frequency updates after...
Application of Neural Networks to Population Pharmacokinetic Data Analysis (2007)
Kristin M. Tolle, Denise J. Roe, Victor Elsberry, Hsinchun Chen
This research examined the applicability of using a neural network approach to analyze population pharmacokinetic data. Such data were collected retrospectively from pediatric patients who had...
Mapping Bioterrorism Agents Research Literature (2007)
Yan Dang, Nichalin Suakkaphong, Yulei Zhang, Roopali Wakhare, Hsinchun Chen, Cathy Larson
Multilingual Chief Complaint Classifier (2007)
Hsin-Min Lu, Hsinchun Chen, Daniel Zeng, Chwan-Chuen King, Lea Trujillo, Ken Komatsu
Automatic Foot-and-Mouth Disease (FMD) New Monitoring and Classification (2007)
Yulei Zhang, Chunju Tseng, Yan Deng, Hsinchun Chen, Catherine A. Larson, Zack Whedbee, ...
Multilingual Chief Complaint Classifier (2007)
Hsin-Min Lu, Hsinchun Chen, Daniel Zeng, Chwan-Chuen King, Lea Trujillo, Ken Komatsu
Automatic Foot-and-Mouth Disease (FMD) New Monitoring and Classification (2007)
Yulei Zhang, Chunju Tseng, Yan Deng, Hsinchun Chen, Catherine A. Larson, Zack Whedbee, ...
Mapping Bioterrorism Agents Research Literature (2007)
Yan Dang, Nichalin Suakkaphong, Yulei Zhang, Roopali Wakhare, Hsinchun Chen, Cathy Larson
Multilingual Chief Complaint Classifier (2007)
Hsin-Min Lu, Hsinchun Chen, Daniel Zeng, Chwan-Chuen King, Lea Trujillo, Ken Komatsu
Automatic Foot-and-Mouth Disease (FMD) New Monitoring and Classification (2007)
Yulei Zhang, Chunju Tseng, Yan Deng, Hsinchun Chen, Catherine A. Larson, Zack Whedbee, ...
Mapping Bioterrorism Agents Research Literature (2007)
Yan Dang, Nichalin Suakkaphong, Yulei Zhang, Roopali Wakhare, Hsinchun Chen, Cathy Larson
Multilingual Chief Complaint Classifier (2007)
Hsin-Min Lu, Hsinchun Chen, Daniel Zeng, Chwan-Chuen King, Lea Trujillo, Ken Komatsu
Automatic Foot-and-Mouth Disease (FMD) New Monitoring and Classification (2007)
Yulei Zhang, Chunju Tseng, Yan Deng, Hsinchun Chen, Catherine A. Larson, Zack Whedbee, ...
Mapping Bioterrorism Agents Research Literature (2007)
Yan Dang, Nichalin Suakkaphong, Yulei Zhang, Roopali Wakhare, Hsinchun Chen, Cathy Larson
Ontology-Based Automatic Chief Complaints Classification for Syndromic Surveillance (2007)
Ken Komatsu, Lea Trujillo, Hsin-Min Lu, Daniel Zeng, Hsinchun Chen
Ontology-Based Automatic Chief Complaints Classification for Syndromic Surveillance (2007)
Ken Komatsu, Lea Trujillo, Hsin-Min Lu, Daniel Zeng, Hsinchun Chen
Ontology-Based Automatic Chief Complaints Classification for Syndromic Surveillance (2007)
Ken Komatsu, Lea Trujillo, Hsin-Min Lu, Daniel Zeng, Hsinchun Chen
Ontology-Based Automatic Chief Complaints Classification for Syndromic Surveillance (2007)
Ken Komatsu, Lea Trujillo, Hsin-Min Lu, Daniel Zeng, Hsinchun Chen
Robert P. Schumaker, Mark Ginsburg, Hsinchun Chen, Ying Liu
An effective networked knowledge delivery platform is one of the Holy Grails of Web computing. Knowledge delivery approaches range from the heavy and narrow to the light and broad. This paper...
From fingerprint to writeprint (2006)
Jiexun Li, Rong Zheng, Hsinchun Chen
Fingerprint-based identification has been the oldest biometric technique successfully used in conventional crime investigation. The unique, immutable patterns of a fingerprint, i.e., the pattern of...
Visualizing Authorship for Identification (2006)
Abstract. As a result of growing misuse of online anonymity, researchers have begun to create visualization tools to facilitate greater user accountability in online communities. In this study we...
Li, Jiexun, Li, Xin, Su, Hua, Chen, Hsinchun, Galbraith, David W.
One of the most important goals of biological investigation is to uncover gene functional relations. In this study we propose a framework for extraction and integration of gene functional relations...
Genescene: Biomedical Text And Data Mining (2005)
Leroy, Gondy, Chen, Hsinchun, Martinez, Jesse D., Eggers, Shauna, Falsey, Ryan R., Kislin, Kerri L., ...
To access the content of digital texts efficiently, it is necessary to provide more sophisticated access than keyword based searching. Genescene provides biomedical researchers with research findings...
Automated identification of web communities for business intelligence analysis (2005)
Michael Chau, Boby Shiu, Ivy Chan, Hsinchun Chen
Analysts often search the Web for business intelligence using traditional search engines which provide keyword-based search. Recently, it has been suggested that the incoming links, or backlinks, of...
Artificial intelligence for homeland security (2005)
The tragic events of 11 September 2001, and the subsequent anthrax letter conta-minations had drastic effects on many aspects of US society. Terrorism became the most significant threat to national...
The increasing amount of publicly available literature and experimental data in biomedicine makes it hard for biomedical researchers to stay up-to-date. Genescene is a toolkit that will help...
Zan Huang, Hsinchun Chen, Lijun Yan, Mihail C. Roco
Nanotechnology holds the promise to revolutionize a wide range of products, processes and applications. It is recognized by over sixty countries as critical for their development at the beginning of...
Zan Huang, Daniel D. Zeng, Hsinchun Chen
We apply random graph modeling methodology to analyze bipartite consumer-product graphs that represent sales transactions to better understand consumer purchase behavior in e-commerce settings. Based...
Link prediction approach to collaborative filtering (2005)
Zan Huang, Xin Li, Hsinchun Chen
Recommender systems can provide valuable services in a digital library environment, as demonstrated by its commercial success in book, movie, and music industries. One of the most commonlyused and...
A systematic view of terrorism research to reveal the intellectual structure of the field and empirically discern the distinct set of core researchers, institutional affiliations, publications, and...
Applying authorship analysis to extremist-group web forum messages (2005)
linguistic features of
Multilingual Web Retrieval: An Experiment in English–Chinese Business Intelligence (2005)
Jialun Qin, Yilu Zhou, Michael Chau, Hsinchun Chen
As increasing numbers of non-English resources have become available on the Web, the interesting and important issue of how Web users can retrieve documents in different languages has arisen....
Automatically detecting criminal identity deception: An adaptive detection algorithm (2005)
G. Alan Wang, Student Member, Hsinchun Chen, Jennifer J. Xu, Homa Atabakhsh
Abstract—Identity deception, specifically identity concealment, is a serious problem encountered in the law enforcement and intelligence communities. In this paper, the authors discuss techniques...
Visualization in Law Enforcement (2005)
Hsinchun Chen, Homa Atabakhsh, Chunju Tseng, Siddharth Kaza, Shauna Eggers, Hemanth Gowda, ...
Visualization techniques have proven to be critical in helping crime analysis. By interviewing and observing Criminal Intelligence Officers (CIO) and civilian crime analysts at the Tucson Police...
Visualization in Law Enforcement (2005)
Hsinchun Chen, Homa Atabakhsh, Chunju Tseng, Siddharth Kaza, Shauna Eggers, Hemanth Gowda, ...
Visualization techniques have proven to be invaluable in crime analysis. By interviewing and observing Criminal Intelligence Officers (CIO) and civilian crime analysts at the Tucson Police Department...
Automaticially Detecting Deceptive Criminal Identities (2004)
Wang, Gang, Chen, Hsinchun, Atabakhsh, Homa
Fear about identity verification reached new heights since the terrorist attacks on Sept. 11, 2001, with national security issues related to detecting identity deception attracting more interest than...
Huang, Zan, Chen, Hsinchun, Zeng, Daniel
Recommender systems are being widely applied in many application settings to suggest products, services, and information items to potential consumers. Collaborative filtering, the most successful...
A Graph Model for E-Commerce Recommender Systems (2004)
Huang, Zan, Chung, Wingyan, Chen, Hsinchun
Information overload on the Web has created enormous challenges to customers selecting products for online purchases and to online businesses attempting to identify customers’ preferences...
Xu, Jennifer J., Chen, Hsinchun
Effective and efficient link analysis techniques are needed to help law enforcement and intelligence agencies fight organized crimes such as narcotics violation, terrorism, and kidnapping. In this...
Using Content-based and Link-based Analysis in Building Vertical Search Engines (2004)
Abstract. This paper reports our research in the Web page filtering process in specialized search engine development. We propose a machine-learning-based approach that combines Web content analysis...
Cross-Jurisdictional Criminal Activity Networks to Support Border and Transportation Security (2004)
Byron Marshall, Siddharth Kaza, Jennifer Xu, Homa Atabakhsh, Tim Petersen, Chuck Violette, ...
Abstract—Border and transportation security is a critical
Zan Huang, Hsinchun Chen, Daniel Zeng
Recommender systems are being widely applied in many application settings to suggest products, services, and information items to potential consumers. Collaborative filtering, the most successful...
Visualizing Criminal Relationships: Comparison of a Hyperbolic Tree and a Hierarchical List (2004)
Yang Xiang, Michael Chau, Homa Atabakhsh, Hsinchun Chen
In crime analysis, law enforcement officials have to process a large amount of criminal data and figure out their relationships. It is important to identify different associations among criminal...
COPLINK Center: Information and Knowledge Management for Law Enforcement (2004)
Hsinchun Chen, Homa Atabakhsh, Tim Petersen, Chuck Violette
ed me tens of hours and the possible closure of a child rape case. My case involved a suspect only known as (NAME WITHHELD). We did not know how to spell his name and no address. Using COPLINK...
Digital Government Portal: A Tool for Digital Government Research (2004)
Hsinchun Chen, Yilu Zhou, Jialun Qin, Catherine Larson
this paper. While the Web has provided a convenient means for sharing research ideas, digital government researchers often find themselves facing the problem of information overload (Blair et al.,...
Zan Huang, Hsinchun Chen, Zhi-kai Chen, Mihail C. Roco
Nanoscale science and engineering (NSE) have seen rapid growth and expansion in new areas in recent years. This paper provides an international patent analysis using the U.S. Patent and Trademark...
A Graph Model for E-Commerce Recommender Systems (2004)
Zan Huang, Wingyan Chung, Hsinchun Chen
this article, we review previous research in recommender systems to identify frequently used approaches and representations. Four recommendation approaches were examined: knowledge engineering,...
Wingyan Chung, Yiwen Zhang, Zan Huang, Gang Wang, Thian-Huat Ong, Hsinchun Chen
this paper, we propose a generic and integrated approach to searching and browsing the Internet in a multilingual world. Based on this approach, we have developed the Chinese Business Intelligence...
EBizPort: Collecting and Analyzing Business Intelligence Information (2004)
Byron Marshall, Daniel Mcdonald, Hsinchun Chen, Wingyan Chung
To make good decisions, businesses try to gather good intelligence information. Yet managing and processing a large amount of unstructured information and data stand in the way of greater business...
Experimental Studies Using Median Polish Procedures to Reduce Alarm Rates (2004)
Jorge Levera, Benjamin Barán, Robert Grossman, Hsinchun Chen, Reagan Moore, Daniel Zeng, ...
Abstract. The overwhelming number of alarms generated by rule-based network intrusion detection systems makes the task of network security operators ineffective. Preliminary results on an approach...
Zan Huang, Hsinchun Chen, Daniel Zeng
Recommender systems are being widely applied in many application settings to suggest products, services, and information items to potential consumers. Collaborative filtering, the most successful...
A unified recommendation framework based on Probabilistic Relational Models (2004)
Zan Huang, Daniel D. Zeng, Hsinchun Chen
Recommender systems are being increasingly adopted in various e-commerce applications. A wide range of recommendation approaches have been developed to analyze past consumer-product interactions,...
Web Mining: Machine Learning for Web Applications (2004)
With more than two billion pages created by millions of Web page authors and organizations, the World Wide Web is a tremendously rich
Edna Reid, Jialun Qin, Wingyan Chung, Jennifer Xu, Yilu Zhou, Rob Schumaker, ...
Abstract. Ever since the 9-11 incident, the multidisciplinary field of terrorism has experienced tremendous growth. As the domain has benefited greatly from recent advances in information...
Analyzing and visualizing criminal network dynamics: A case study (2004)
Jennifer Xu, Byron Marshall, Siddharth Kaza, Hsinchun Chen
Dynamic criminal network analysis is important for national security but also very challenging. However, little research has been done in this area. In this paper we propose to use several...
West Nile Virus and Botulism Portal: A Case Study (2004)
Daniel Zeng, Hsinchun Chen, Chunju Tseng, Catherine Larson, Millicent Eidson, Ivan Gotham, ...
Abstract. Information technologies and infectious disease informatics are playing an increasingly important role in preventing, detecting, and managing infectious disease outbreaks. This paper...
Analyzing and visualizing criminal network dynamics: A case study (2004)
Jennifer Xu, Byron Marshall, Siddharth Kaza, Hsinchun Chen
Abstract. Dynamic criminal network analysis is important for national security but also very challenging. However, little research has been done in this area. In this paper we propose to use several...
Extracting gene pathway relations using a hybrid grammar: the Arizona Relation Parser (2004)
McDonald, Daniel M., Chen, Hsinchun, Su, Hua, Marshall, Byron B.
Motivation: Text-mining research in the biomedical domain has been motivated by the rapid growth of new research findings. Improving the accessibility of findings has potential to speed hypothesis...
The Use of Dynamic Contexts to Improve Casual Internet Searching (2003)
Leroy, Gondy, Lally, Ann M., Chen, Hsinchun
Research has shown that most users’ online information searches are suboptimal. Query optimization based on a relevance feedback or genetic algorithm using dynamic query contexts can help casual...
A shallow parser based on closed-class words to capture relations in biomedical text (2003)
Leroy, Gondy, Chen, Hsinchun, Martinez, Jesse D.
Natural language processing for biomedical text currently focuses mostly on entity and relation extraction. These entities and relations are usually pre-specified entities, e.g., proteins, and...
Comparison of Three Vertical Search Spiders (2003)
Spiders are the software agents that search engines use to collect content for their databases. We investigated algorithms to improve the performance of vertical search engine spiders. The...
Research in information retrieval (IR) has advanced significantly in the past few decades. Many tasks, such as indexing and text categorization, can be performed automatically with minimal human...
HelpfulMed: Intelligent Searching for Medical Information over the Internet (2003)
Chen, Hsinchun, Lally, Ann M., Zhu, Bin, Chau, Michael
Medical professionals and researchers need information from reputable sources to accomplish their work. Unfortunately, the Web has a large number of documents that are irrelevant to their work, even...
Design and evaluation of a multi-agent collaborative Web mining system (2003)
Chau, Michael, Zeng, Daniel, Chen, Hsinchun, Huang, Michael, Hendriawan, David
Most existing Web search tools work only with individual users and do not help a user benefit from previous search experiences of others. In this paper, we present the Collaborative Spider, a...
Special issue: ‘‘Web retrieval and mining’’ (2003)
Search engines and data mining are two research areas that have experienced significant progress over the past few years. Overwhelming acceptance of the Internet as a primary medium for content...
Visualization of large category map for Internet browsing (2003)
Yang, Christopher C., Chen, Hsinchun, Hong, Kay
Information overload is a critical problem in World Wide Web. Category map developed based on Kohonen’s selforganizing map (SOM) has been proven to be a promising browsing tool for the Web. The SOM...
Testing a Cancer Meta Spider (2003)
Chen, Hsinchun, Fan, Haiyan, Chau, Michael, Zeng, Daniel
As in many other applications, the rapid proliferation and unrestricted Web-based publishing of health-related content have made finding pertinent and useful healthcare information increasingly...
CopLink: Managing Law Enforcement Data And Knowledge (2003)
Chen, Hsinchun, Zeng, Daniel, Atabakhsh, Homa, Wyzga, Wojciech, Schroeder, Jennifer
In response to the September 11 terrorist attacks, major government efforts to modernize federal law enforcement authorities’ intelligence collection and processing capabilities have been...
Huang, Zan, Chen, Hsinchun, Yip, Alan, Ng, Gavin, Guo, Fei, Chen, Zhi-Kai, ...
Nanoscale science and engineering (NSE) and related areas have seen rapid growth in recent years. The speed and scope of development in the field have made it essential for researchers to be informed...
Convergence of Knowledge Management and E-Learning: the GetSmart Experience (2003)
Marshall, Byron, Zhang, Yiwen, Chen, Hsinchun, Lally, Ann M., Shen, Rao, Fox, Edward, ...
The National Science Digital Library (NSDL), launched in December 2002, is emerging as a center of innovation in digital libraries as applied to education. As a part of this extensive project, the...
DGPort: A Web Portal for Digital Government (2003)
Yin, C.Q., Nickels, L.D., Chen, C.Z., Ng, Gavin, Chen, Hsinchun
This paper provides a summary of the initial development of a Web portal for the digital government domain. Information retrieval techniques commonly used to find information on the Internet are...
A methodology for analyzing Web-based qualitative data (2003)
Romano, Nicholas C., Donovan, Christina, Chen, Hsinchun, Nunamaker Jr., Jay F.
The volume of qualitative data (QD)available via the Internet is growing at an increasing pace and firms are anxious to extract and understand user's thought processes, wants and needs, attitudes,...
Personalized and focused web spiders (2003)
As the size of the Web continues to grow, searching it for useful information has become increasingly difficult. Researchers have studied different ways to search the Web automatically using programs...
Zan Huang, Hsinchun Chen, Alan Yip, Gavin Ng, Fei Guo, Zhi-kai Chen, ...
self-organizing map, citation networks Nanoscale science and engineering (NSE) and related areas have seen rapid growth in recent years. The speed and scope of development in the field have made it...
HelpfulMed: Intelligent searching for medical information over the Internet (2003)
Hsinchun Chen, Ann M. Lally, Bin Zhu, Michael Chau
Medical professionals and researchers need information from reputable sources to accomplish their work. Unfortunately, the Web has a large number of documents that are irrelevant to their work, even...
The Use of Dynamic Contexts to Improve Casual Internet Searching (2003)
Gondy Leroy, Ann M. Lally, Hsinchun Chen
Research has shown that most users ’ online information searches are suboptimal. Query optimization based on a relevance feedback or genetic algorithm using dynamic query contexts can help casual...
Personalized and focused web spiders (2003)
As the size of the Web continues to grow, searching it for useful information has become increasingly difficult. Researchers have studied different ways to search the Web automatically using programs...
Convergence of Knowledge Management and E-Learning: the GetSmart Experience (2003)
Byron Marshall, Yiwen Zhang, Hsinchun Chen, Ann Lally, Rao Shen, Edward Fox, ...
The National Science Digital Library (NSDL), launched in December 2002, is emerging as a center of innovation in digital libraries as applied to education. As a part of this extensive project, the...
Genescene: Biomedical Text And Data Mining (2003)
Gondy Leroy Hsinchun, Hsinchun Chen, Jesse D. Martinez, Shauna Eggers, Ryan R. Falsey, Kerri L. Kislin, ...
To access the content of digital texts efficiently, it is necessary to provide more sophisticated access than keyword based searching. Genescene provides biomedical researchers with research findings...
COPLINK: Visualization for Crime Analysis (2003)
Hsinchun Chen, Homa Atabakhsh, Tim Petersen, Jenny Schroeder, Ty Buetow, Luis Chaboya, ...
We have applied various visualization techniques to assist crime analysis. These techniques include a hierarchical list, a hyperbolic tree, a time line tool, a periodic pattern tool, a GIS tool and a...
Jialun Qin, Yilu Zhou, Michael Chau, Hsinchun Chen
Cross-language information retrieval (CLIR) and multilingual information retrieval (MLIR) techniques have been widely studied, but they are not often applied to and evaluated for Web applications. In...
COPLINK: managing law enforcement data and knowledge (2003)
Owever Despite The, Hsinchun Chen, Daniel Zeng, Homa Atabakhsh, Wojciech Wyzga, Jenny Schroeder
goal of COMMUNICATIONS OF THE ACM January 2003/Vol. 46, No. 1 29 Figure 1. An example person search in COPLINK Connect. An officer searches for a suspect known only by his first name...
Design and Evaluation of a Multi-Agent Collaborative Web Mining System (2003)
Michael Chau, Daniel Zeng, Hsinchun Chen, Michael Huang, David Hendriawan
Most existing Web search tools work only with individual users and do not help a user benefit from previous search experiences of others. In this paper, we present the Collaborative Spider, a...
Chienting Lin, Paul J. Hu, Hsinchun Chen, Jennifer Schroeder
In this paper, we report on two user-centric evaluation studies of COPLINK, a suite of criminal data mining and knowledge management applications developed at the University of Arizona. Our...
Crime Data Mining: An Overview and Case Studies (2003)
Hsinchun Chen, Wingyan Chung, Yi Qin, Michael Chau, Jennifer Jie Xu, Gang Wang, ...
The concern about national security has increased significantly since the 9/11 attacks. However, information overload hinders the effective analysis of criminal and terrorist activities. Data mining...
Testing a cancer meta spider (2003)
Hsinchun Chen, Haiyan Fan, Michael Chau, Daniel Zeng
As in many other applications, the rapid proliferation and unrestrictedWeb-stri publishing of health-fikqBqc content have made finding pertinent and useful healthcare information increasingly...
Effective and efficient link analysis techniques are needed to help law enforcement and intelligence agencies fight organized crimes such as narcotics violation, terrorism, and kidnapping. In this...
HelpfulMed: Intelligent Searching for Medical Information over the Internet (2003)
Hsinchun Chen, Ann M. Lally, Bin Zhu, Michael Chau
This paper describes an architecture designed to integrate advanced searching and indexing algorithms, an automatic thesaurus, or "concept space," and Kohonen-based Self-Organizing Map...
Abstract Discrete Optimization Efficient scheduling of periodic information (2003)
Monitoring Requests, Daniel D. Zeng, Moshe Dror, Hsinchun Chen
In many mission-critical applications such as police and homeland security-related information systems, automated monitoring of relevant information sources is essential. Such monitoring results in a...
Wingyan Chung, Hsinchun Chen, Jay F. Nunamaker
Nowadays, information overload hinders the discovery of business intelligence on the World Wide Web. Existing business intelligence tools suffer from a lack of analysis and visualization capabilities...
COPLINK Agent: An Architecture for Information Monitoring and Sharing (2003)
Daniel Zeng, Hsinchun Chen, Damien Daspit, Fu Shan, Suresh N, Michael Chau, ...
Abstract. In this paper, we report our work on developing and evaluating a prototype system aimed at addressing the information monitoring and sharing challenges in the law enforcement domain. Our...
Extracting Meaningful Entities from Police Narrative Reports (2002)
Chau, Michael, Xu, Jennifer J., Chen, Hsinchun
Valuable criminal-justice data in free texts such as police narrative reports are currently difficult to be accessed and used by intelligence investigators in crime analyses. It would be desirable to...
Using Coplink to Analyze Criminal-Justice Data (2002)
Hauck, Roslin V., Atabakhsh, Homa, Ongvasith, Pichai, Gupta, Harsh, Chen, Hsinchun
As information technologies and applications become more overwhelming and diverse, persistent information overload problems have become ever more urgent.1 Fallout from this trend has most affected...
Special Issue Digital Government: technologies and practices (2002)
The Internet is changing the way we live and do business. It also offers a tremendous opportunity for government to better deliver its contents and services and interact with its many...
COPLINK Connect: information and knowledge management for law enforcement (2002)
Chen, Hsinchun, Schroeder, Jennifer, Hauck, Roslin V., Ridgeway, Linda, Atabakhsh, Homa, Gupta, Harsh, ...
Information and knowledge management in a knowledge-intensive and time-critical environment presents a challenge to information technology professionals. In law enforcement, multiple data sources are...
CI Spider: a tool for competitive intelligence on the Web (2002)
Chen, Hsinchun, Chau, Michael, Zeng, Daniel
Competitive Intelligence (CI) aims to monitor a firm’s external environment for information relevant to its decision-making process. As an excellent information source, the Internet provides...
A Graph-based Recommender System for Digital Library (2002)
Huang, Zan, Chung, Wingyan, Ong, Thian-Huat, Chen, Hsinchun
Research shows that recommendations comprise a valuable service for users of a digital library [11]. While most existing recommender systems rely either on a content-based approach or a collaborative...
MedTextus: An Ontology-enhanced Medical Portal (2002)
In this paper we describe MedTextus, an online medical search portal with dynamic search and browse tools. To search for information, MedTextus lets users request synonyms and related terms...
Filling Preposition-based Templates To Capture Information from Medical Abstracts (2002)
Due to the recent explosion of information in the biomedical field, it is hard for a single researcher to review the complex network involving genes, proteins, and interactions. We are currently...
Chau, Michael, Chen, Hsinchun, Qin, Jailun, Zhou, Yilu, Qin, Yi, Sung, Wai-Ki, ...
As the Web has been growing exponentially, it has become increasingly difficult to search for desired information. In recent years, many domain-specific (vertical) search tools have been developed to...
NanoPort: A Web Portal for Nanoscale Science and Technology (2002)
Chau, Michael, Chen, Hsinchun, Qin, Jailun, Zhou, Yilu, Sung, Wai-Ki, Chen, Mark, ...
Areas related to nanotechnology, or nanoscale science and engineering (NSSE), have experienced tremendous growth over the past few years. While there are a large variety of useful resources available...
MedTextus: An intelligent Web-based medical meta-search system (2002)
Bin Zhu, Gondy Leroy, Hsinchun Chen, Yongchi Chen
We propose to demonstrate a web-based prototype system that integrates the meta-search approach with existing information analysis and visualization technologies to facilitate concept-based searching...
Exploring the World Wide Web with SelfOrganizing (2002)
Christopher C. Yang, Hsinchun Chen, Kay Hong
Information overload is a critical problem in World Wide Web. Kohonen's self-organizing map (SOM) has been proven to be a promising browsing tool for the Web. The SOM algorithm automatically...
NanoPort: A Web Portal for Nanoscale Science and Technology (2002)
Michael Chau, Hsinchun Chen, Jialun Qin, Yilu Zhou, Wai-ki Sung, Yongchi Chen, ...
Areas related to nanotechnology, or nanoscale science and engineering (NSSE), have experienced tremendous growth over the past few years. While there are a large variety of useful resources available...
Michael Chau, Hsinchun Chen, Jialun Qin, Yilu Zhou, Yi Qin, Wai-ki Sung, ...
As the Web has been growing exponentially, it has become increasingly difficult to search for desired information. In recent years, many domain-specific (vertical) search tools have been developed to...
Extracting meaningful entities from police narrative reports (2002)
Michael Chau, Jennifer J. Xu, Hsinchun Chen
Valuable criminal-justice data in free texts such as police narrative reports are currently difficult to be accessed and used by intelligence investigators in crime analyses. It would be desirable to...
COPLINK - Arming Law Enforcement with New Knowledge Management Technologies (2002)
Roslin V. Hauck, Michael Chau, Hsinchun Chen
Abstract: The problem of information and knowledge management in the knowledge intensive and time critical environment of law enforcement has posed an interesting problem for information technology...
COPLINK Connect: information and knowledge management for law enforcement (2002)
Hsinchun Chen, Jenny Schroeder, Roslin V. Hauck, Linda Ridgeway, Homa Atabakhsh, Harsh Gupta, ...
Information and knowledge management in a knowledge-intensive and time-critical environment presents a challenge to information technology professionals. In law enforcement, multiple data sources are...
Examining User Acceptance of COPLINK Technologies by Law Enforcement Officers: A Survey Study (2002)
Chienting Lin Paul, Paul J. Hu, Jennifer Schroeder, Hsinchun Chen
This study purports to develop and empirically examine a model for explaining technology acceptance decisions by individual law enforcement officers. Specifically, we describe the research model and...
Type: dg.o 2002 final paper Jennifer J. Xu, Hsinchun Chen (2002)
Demo No Authors, Jie Xu, Jennifer Jie Xu, Hsinchun Chen, Hsinchun Chen
Frequently in criminal investigations, law enforcement agencies face the problem of identifying associations between a group of entities such as individuals and organizations. In this paper we...
A graph-based recommender system for digital library (2002)
Zan Huang, Wingyan Chung, Thian-huat Ong, Hsinchun Chen
Research shows that recommendations comprise a valuable service for users of a digital library [11]. While most existing recommender systems rely either on a content-based approach or a collaborative...
Meeting Medical Terminology Needs - the ontology-enhanced medical concept mapper (2001)
This paper describes the development and testing of the Medical Concept Mapper, a tool designed to facilitate access to online medical information sources by providing users with appropriate medical...
MetaSpider: Meta-Searching and Categorization on the Web (2001)
Chen, Hsinchun, Fan, Haiyan, Chau, Michael, Zeng, Daniel
It has become increasingly difficult to locate relevant information on the Web, even with the help of Web search engines. Two approaches to addressing the low precision and poor presentation of...
Atabakhsh, Homa, Schroeder, Jennifer, Chen, Hsinchun, Chau, Michael, Xu, Jennifer J., Zhang, Jing, ...
Crime and police report information is rapidly migrating from paper records to automated records management databases. Most mid and large sized police agencies have such systems that provide access...
The Illinois DLI Project, one of six projects funded by the NSF/DARPA/NASA DLI, consists of two major components: (1) a production testbed based in a real library (SGML publisher stream deployed at...
Chau, Michael, Atabakhsh, Homa, Zeng, Daniel, Chen, Hsinchun
With the exponential growth of the Internet, information can be shared among government agencies more easily than before. However, this also poses some design issues and challenges. This article...
Information navigation on the web by clustering and summarizing query results (2001)
Roussinov, Dmitri G., Chen, Hsinchun
We report our experience with a novel approach to interactive information seeking that is grounded in the idea of summarizing query results through automated document clustering. We went through a...
Knowledge Management Systems: A Text Mining Perspective (2001)
This book’s purpose is to present a balanced and integrated view of what a Knowledge Management System (KMS) is. We first define Knowledge Management (KM) from various consulting and IT...
Concept-based searching and browsing: a geoscience experiment (2001)
Hauck, Roslin V., Sewell, Robin R., Ng, Tobun Dorbin, Chen, Hsinchun
In the recent literature, we have seen the expansion of information retrieval techniques to include a variety of different collections of information. Collections can have certain characteristics...
Michael Chau, Daniel Zeng, Homa Atabakhsh, Hsinchun Chen
With the exponential growth of the Internet, information can be shared among government agencies more easily than before. However, this also poses some design issues and challenges. This article...
MetaSpider: meta-searching and categorization on the Web (2001)
Hsinchun Chen, Haiyan Fan, Michael Chau, Daniel Zeng
It has become increasingly difficult to locate relevant information on the Web, even with the help of Web search engines. Two approaches to addressing the low precision and poor presentation of...
Dr. Hsinchun Chen, Jennifer Jie, Jing Zhang, Haidong Bi, Dr. Homa Atabakhsh, Dr. Homa Atabakhsh, ...
Crime and police report information is rapidly migrating from paper records to automated records management databases. Most mid and large sized police agencies have such systems that provide access...
Michael Chau, Daniel Zeng, Homa Atabakhsh, Hsinchun Chen
The rapid advancement of information technologies and the Internet provides great opportunities as well as challenges for government agencies. On one hand, these technologies allow better use and...
Homa Atabakhsh, Jennifer Schroeder, Hsinchun Chen, Michael Chau, Jennifer Jie Xu, Jing Zhang, ...
Crime and police report information is rapidly migrating from paper records to automated records management databases. Most mid and large sized police agencies have such systems that provide access...
Verifying the proximity and size hypothesis for self-organizing maps (2000)
Lin, Chienting, Chen, Hsinchun, Nunamaker Jr., Jay F.
The Kohonen Self-Organizing Map (SOM) is an unsupervised learning technique for summarizing high-dimensional data so that similar inputs are, in general, mapped close to one another. When applied to...
Comparing noun phrasing techniques for use with medical digital library tools (2000)
Tolle, Kristin M., Chen, Hsinchun
In an effort to assist medical researchers and professionals in accessing information necessary for their work, the A1 Lab at the University of Arizona is investigating the use of a natural language...
Exploring the use of concept spaces to improve medical information retrieval (2000)
Houston, Andrea L., Chen, Hsinchun, Schatz, Bruce R., Hubbard, Susan M., Sewell, Robin R., Ng, Tobun Dorbin
This research investigated the application of techniques successfully used in previous information retrieval research, to the more challenging area of medical informatics. It was performed on a...
Creating a Large-Scale Content-Based Airphoto Image Digital Library (2000)
Zhu, Bin, Ramsey, Marshall C., Chen, Hsinchun
This paper describes a content-based image retrieval digital library that supports geographical image retrieval over a testbed of 800 aerial photographs, each 25 megabytes in size. In addition, this...
Romano, Nicholas C., Bauer, Christina, Chen, Hsinchun, Nunamaker Jr., Jay F.
This paper describes a study to explore the integration of Group Support Systems (GSS) and Artificial Intelligence (AI) technology to provide solicitation, analytical, visualization and sense-making...
Intelligent internet searching agent based on hybrid simulated annealing (2000)
Yang, Christopher C., Yen, Jerome, Chen, Hsinchun
The World-Wide Web WWW based Internet services have become a major channel for information delivery. For the same reason, information overload also has become a serious problem to the users of such...
Quantifying Qualitative Data for Electronic Commerce Attitude Assessment and Visualization (2000)
Romano, Nicholas C., Bauer, Christina, Chen, Hsinchun, Nunamaker Jr., Jay F.
We propose a methodology to collect, quantify and visualize qualitative consumer data. We employ a Web-based Group Support System (GSS), GSw,b, to elicit free-form comments and a prototype comment...
Tolle, Kristin M., Chen, Hsinchun, Chow, Hsiao-Hui
Predicting blood concentration levels of pharmaceutical agents in human subjects can be made difficult by missing data and variability within and between human subjects. Biometricians use a variety...
Validating a Geographic Image Retrieval System (2000)
This paper summarizes a prototype geographical image retrieval system that demonstrates how to integrate image processing and information analysis techniques to support large-scale content-based...
Electronic Commerce and Digital Libraries (2000)
Houston, Andrea L., Chen, Hsinchun
In this chapter we discuss digital libraries from an electronic commerce perspective. The focus is on what the two have in common. The first section is an introduction which discuses some of the...
Intelligent Software Agents for Electronic Commerce (2000)
Chen, Kristin M., Chen, Hsinchun
Electronic commerce (EC) and software agents are two of the hottest fields of research in information science. As the Internet is rapidly becomes a popular marketplace for consumers and sellers of...
Semantic Issues for Digital Libraries (2000)
In this era of the Internet and distributed multimedia computing, new and emerging classes of information systems applications have swept into the lives of office workers and everyday people. New...
Schatz, Bruce R., Mischo, William, Cole, Timothy, Bishop, Ann Peterson, Harum, Susan, Johnson, Eric H., ...
The NSF/DARPA/NASA Digital Libraries Initiative (DLI) project at the University of Illinois at Urbana-Champaign (UIUC), 1994-1998, had the goal of developing widely usable Web technology to...
Semantic Issues for Digital Libraries (2000)
As new and emerging classes of information systems applications the applications become more overwhelming, pressing, and diverse, several well-known information retrieval (IR) problems have become...
The Java Search Agent Workshop (2000)
Chen, Hsinchun, Ramsey, Marshall C., Li, P.
As part of the ongoing Illinois Digital Library Initiative project, this paper presents the Java Search Agent Workshop (JSAW), a testbed designed for Java-based information searching. Based on...
Houston, Andrea L., Chen, Hsinchun
This research aims to provide a semantic, concept-based retrieval option that could supplement existing information retrieval options. Our proposed approach is based on textual analysis of a large...
Creating a Large-Scale Content-Based Airphoto Image (2000)
Digital Library Bin, Bin Zhu, Marshall Ramsey, Hsinchun Chen
This paper describes a content-based image retrieval digital library that supports geographical image retrieval over a testbed of 800 aerial photographs, each 25 megabytes in size. In addition, this...
Kristin M. Tolle, Hsinchun Chen, Hsiao-Hui Chow
Predicting blood concentration levels of pharmaceutical agents in human subjects can be made difficult by missing data and variability within and between human subjects. Biometricians use a variety...
Verifying the Proximity Hypothesis for Self-Organizing Maps (2000)
Chienting Lin, Hsinchun Chen, Jay F. Nunamaker
The Kohonen Self-Organizing Map (SOM) is an unsupervised learning technique for summarizing high-dimensional data so that similar inputs are, in general, mapped close to each other. When applied to...
Multidimensional scaling for group memory visualization (1999)
McQuaid, Michael J., Ong, Thian-Huat, Chen, Hsinchun, Nunamaker Jr., Jay F.
We describe an attempt to overcome information overload through information visualization — in a particular domain, group memory. A brief review of information visualization is followed by a brief...
Document clustering for electronic meetings: an experimental comparison of two techniques (1999)
Roussinov, Dmitri G., Chen, Hsinchun
In this article, we report our implementation and comparison of two text clustering techniques. One is based on Ward’s clustering and the other on Kohonen’s Self-organizing Maps. We have...
From Information Retrieval to Knowledge Management Enabling Technologies and Best Practices (1999)
In this era of the Internet and distributed multimedia computing, new and emerging classes of information technologies have swept into the lives of office workers and everyday people. As technologies...
Semantic Research for Digital Libraries (1999)
As applications become more pervasive, pressing, and diverse, several well-known information retrieval (IR) problems have become even more urgent. Information overload, a result of the ease of...
Creating a Large-Scale Digital Library for Georeferenced Information (1999)
Zhu, Bin, Ramsey, Marshall C., Ng, Tobun Dorbin, Chen, Hsinchun, Schatz, Bruce R.
Digital libraries with multimedia geographic content present special challenges and opportunities in today's networked information environment. One of the most challenging research issues for...
Federated Search of Scientific Literature (1999)
Schatz, Bruce R., Mischo, William, Cole, Timothy, Bishop, Ann Peterson, Harum, Susan, Johnson, Eric H., ...
The Digital Libraries Initiative (DLI) project at the University of Illinois at Urbana-Champaign (UIUC) was one of six sponsored by the NSF, DARPA, and NASA from 1994 through 1998. Our goal was to...
Digital Libraries: Technological Advances and Social Impacts (1999)
Schatz, Bruce R., Chen, Hsinchun
Public awareness of the Net as a critical infrastructure in the 1990s has spurred a new revolution in the technologies for information retrieval in digital libraries.
Medical Data Mining on the Internet: Research on a Cancer Information System (1999)
Houston, Andrea L., Chen, Hsinchun, Hubbard, Susan M., Schatz, Bruce R., Ng, Tobun Dorbin, Sewell, Robin R., ...
This paper discusses several data mining algorithms and techniques that we have developed at the University of Arizona Artificial Intelligence Lab.We have implemented these algorithms and techniques...
Romano, Nicholas C., Roussinov, Dmitri G., Nunamaker Jr., Jay F., Chen, Hsinchun
Observations of Information Retrieval (IR) system user experiences reveal a strong desire for collaborative search while at the same time suggesting that collaborative capabilities are rarely, and...
Customizable and Ontology-Enhanced Medical Information Retrieval Interfaces (1999)
Leroy, Gondy, Tolle, Kristin M., Chen, Hsinchun
This paper describes the development and testing of the Medical Concept Mapper as an aid to providing synonyms and semantically related concepts to improve searching. All terms are related to the...
Ong, Thian-Huat, Chen, Hsinchun
There has been renewed research interest in using the statistical approach to extraction of key phrases from Chinese documents because existing approaches do not allow online frequency updates after...
A Collection of Visual Thesauri for Browsing Large Collections of Geographic Images (1999)
Ramsey, Marshall C., Chen, Hsinchun, Zhu, Bin
Digital libraries of geo-spatial multimedia content are currently deficient in providing fuzzy, concept-based retrieval mechanisms to users. The main challenge is that indexing and thesaurus creation...
Support Concept-based Multimedia Information Retrieval: A Knowledge Management Approach (1999)
Zhu, Bin, Ramsey, Marshall C., Chen, Hsinchun, Hauck, Roslin V., Ng, Tobun Dorbin, Schatz, Bruce R.
Identified as an important management concept five years ago (Gamer 1999), knowledge management (KM) aims to enable organizations to capture, organize, and access their intellectual assets. This...
COPLINK: A Case of Intelligent Analysis and Knowledge Management (1999)
Hauck, Roslin V., Chen, Hsinchun
Law enforcement agencies across the United States have begun to focus on innovative knowledge management technologies to aid in the analysis of criminal information. The use of such technologies can...
Digital Libraries: Social Issues and Technological Advances (1999)
Chen, Hsinchun, Houston, Andrea L.
This chapter will focus on digital libraries, starting with a discussion of the historical visionaries, definitions, driving forces and enabling technologies and some key research issues. Also...
COPLINK: A case of intelligent analysis and knowledge management (1999)
Hauck, Roslin V., Chen, Hsinchun
Law enforcement agencies across the United States have begun to focus on innovative knowledge management technologies to aid in the analysis of criminal information. The use of such technologies can...
Medical Data Mining on the Internet: Research on a Cancer Information System (1999)
Andrea L. Houston, Hsinchun Chen, Susan M. Hubbard, Bruce R. Schatz, Tobun D. Ng, Robin R. Sewell, ...
This paper discusses several data mining algorithms and techniques that we have developed at the University of Arizona Artificial Intelligence Lab. We have implemented these algorithms and techniques...
A Collection of Visual Thesauri for Browsing Large (1999)
Collections Of Geographic, Marshall C. Ramsey, Hsinchun Chen, Bin Zhu, Bruce R. Schatz
this article we propose a scalable method to automatically generate visual thesauri of large collections of geo-spatial media using fuzzy, unsupervised machine-learning techniques
COPLINK: A case of intelligent analysis and knowledge management (1999)
Roslin V. Hauck, Hsinchun Chen
Law enforcement agencies across the United States have begun to focus on innovative knowledge management technologies to aid in the analysis of criminal information. The use of such technologies can...
COPLINK: A case of intelligent analysis and knowledge management (1999)
Roslin V. Hauck, Hsinchun Chen
{rrv, hchen} @ bpa.arizona.edu
Information Visualization for Collaborative Computing (1998)
Chen, Hsinchun, Nunamaker Jr., Jay F., Orwig, Richard E., Titkova, Olga
A prototype tool classifies output from an electronic meeting system into a manageable list of concepts, topics, or issues that a group can further evaluate. In an experiment with output from...
The Information Infrastructure Technology and Applications (IITA) Working Group, the highest level of the country's National Information Infrastructure (NII) technical committee, held an invited...
Chen, Hsinchun, Shankaranarayanan, Ganesan, She, Linlin, Iyer, Anand
Information retrieval using probabilistic techniques has attracted significant attention on the part of researchers in information and computer science over the past few decades. In the 1980s,...
An intelligent personal spider (agent) for dynamic Internet/Intranet searching (1998)
Chen, Hsinchun, Chung, Yi-Ming, Ramsey, Marshall C., Yang, Christopher C.
As Internet services based on the World-Wide Web become more popular, information overload has become a pressing research problem. Difficulties with search on Internet will worsen as the amount of...
Roussinov, Dmitri G., Chen, Hsinchun
The rapid proliferation of textual and multimedia online databases, digital libraries, Internet servers, and intranet services has turned researchers' and practitioners' dream of creating an...
Intellectual Capital and Knowledge Management: A Perpetual Self-Organizing (PSO) Approach (1998)
Presentation given by Hsinchun Chen at the NASA Meeting during PMSEP3 on the future of knowledge management. The presentation describes research performed by the Artificial Intelligence Lab at the...
Ramsey, Marshall C., Ong, Thian-Huat, Chen, Hsinchun
The basic building block of a multilingual information retrieval system is the input system. Chinese and Japanese characters pose great challenges for the conventional 101 -key alphabet-based...
Chen, Hsinchun, Martinez, Joanne, Kirchhoff, Amy, Ng, Tobun Dorbin, Schatz, Bruce R.
In this article, we report research on an algorithmic approach to alleviating search uncertainty in a large information space. Grounded on object filtering, automatic indexing, and co-occurrence...
Introduction to Special Issue of JASIS on AI Techniques for Emerging Information Systems Applications in which five articles report research in adopting artificial intelligence techniques for...
Internet Browsing and Searching: User Evaluation of Category Map and Concept Space Techniques (1998)
Chen, Hsinchun, Houston, Andrea L., Sewell, Robin R., Schatz, Bruce R.
Research was focused on discovering whether two of the algorithms the research group has developed can help improve browsing and/or searching the Internet. Results indicate that a Kohonen...
A Smart Itsy Bitsy Spider for the Web (1998)
Chen, Hsinchun, Chung, Yi-Ming, Ramsey, Marshall C., Yang, Christopher C.
As part of the ongoing Illinois Digital Library Initiative project, this research proposes an intelligent agent approach to Web searching. In this experiment, we developed two Web personal spiders...
Semantic Indexing and Searching Using a Hopfield Net (1998)
Chen, Hsinchun, Zhang, Yin, Houston, Andrea L.
This paper presents a neural network approach to document semantic indexing. A Hopfield net algorithm was used to simulate human associative memory for concept exploration in the domain of computer...
Ramsey, Marshall C., Ong, Thian-Huat, Chen, Hsinchun
The basic building block of a multilingual information retrieval system is the input system. Chinese and Japanese characters pose great challenges for the conventional 101-key alphabet-based...
Hsinchun Chen, Ganesan Shankaranarayanan, Linlin She, Anand Iyer
Information retrieval using probabilistic techniques has attracted significant attention on the part of researchers 1.
A smart itsy bitsy spider for the web (1998)
Hsinchun Chen, Yi-ming Chung, Marshall Ramsey, Christopher C. Yang
As part of the ongoing Illinois Digital Library Initiative are expected to worsen as the amount of online informaproject, this research proposes an intelligent agent approach to Web searching. In...
Intelligent Internet Searching Engine based on Hybrid Simulated Annealing (1998)
Christopher C. Yang, Jerome Yen, Hsinchun Chen
The World-Wide Web (WWW) based Internet services have become a major channel for information delivery. For the same reason, information overload also has become a serious problem to the users of such...
Dmitri G. Roussinov, Hsinchun Chen
: The rapid proliferation of textual and multimedia online databases, digital libraries, Internet servers, and intranet services has turned researchers' and practitioners' dream of creating...
An Intelligent Personal Spider (Agent) for Dynamic Internet/Intranet Searching (1998)
Hsinchun Chen, Yi-Ming Chung, Marshall Ramsey, Christopher C. Yang
As Internet services based on the World-Wide Web become more popular, information overload has become a pressing research problem. Difficulties with search on Internet will worsen as the amount of...
Internet Browsing and Searching : User Evaluations (1998)
Of Category Map, Hsinchun Chen, Andrea L. Houston, Robin R. Sewell, Bruce R. Schatz
d/or searching the Internet. Our results indicate that a Kohonen self-organizing map ( SOM ) -based 1. Introduction algorithm can successfully categorize a large and eclectic Internet information...
Hsinchun Chen, Joanne Martinez, Amy Kirchhoff, Tobun D. Ng, Bruce R. Schatz
this article, we report research on an algorithmic ap- gather, process, and retrieve information. These systems proach to alleviating search uncertainty in a large infor- provide a wide variety of...
In this era of the Internet and distributed, multimedia computing, new and emerging classes of information systems applications have swept into the lives of office workers and people in general....
Chen, Hsinchun, Smith, Terrence R., Larsgaard, Mary L., Hill, Linda L., Ramsey, Marshall C.
Digital libraries serving multimedia information that may be accessed in terms of geographic content and relationships are creating special challenges and opportunities for networked information...
Application of Neural Networks to Population Pharmacokinetic Data Analysis (1997)
Chow, Hsiao-Hui, Tolle, Kristin M., Roe, Denise J., Elsberry, Victor, Chen, Hsinchun
This research examined the applicability of using a neural network approach to analyze population pharmacokinetic data. Such data were collected retrospectively from pediatric patients who had...
A graphical self-organizing approach to classifying electronic meeting output (1997)
Orwig, Richard E., Chen, Hsinchun, Nunamaker Jr., Jay F.
This article describes research in the application of a Kohonen Self-Organizing Map (SOM) to the problem of classification of electronic brainstorming output and an evaluation of the results. This...
Chen, Hsinchun, Martinez, Joanne, Ng, Tobun Dorbin, Schatz, Bruce R.
This research presents an algorithmic approach to addressing the vocabulary problem in scientific information retrieval and information sharing, using the molecular biology domain as an example. We...
A graphical, self-organizing approach to classifying electronic meeting output (1997)
Richard E. Orwig, Hsinchun Chen, Jay F. Nunamaker
This article describes research in the application of a (topics) in an electronic meeting setting. Electronic meet-Kohonen Self-Organizing Map (SOM) to the problem of classification of electronic...
A Collection of Visual Thesauri for Browsing Large Collections of Geographic Images (1997)
Marshall C. Ramsey, Hsinchun Chen, Bin Zhu, Bruce R. Schatz
Digital libraries of geo-spatial multimedia content are currently deficient in providing fuzzy, concept-based retrieval mechanisms to users. The main challenge being that indexing and thesaurus...
Hsinchun Chen, Tobun D. Ng, Joanne Martinez, Bruce R. Schatz
This research presents an algorithmic approach to addressing the vocabulary problem in scientific information retrieval and information sharing, using the molecular biology domain as an example. We...
Toward Intelligent Meeting Agents (1996)
Chen, Hsinchun, Houston, Andrea L., Yen, Jerome, Nunamaker Jr., Jay F.
An experiment with an AI-based software agent shows that it can help users organize and consolidate ideas from electronic brainstorming. The agent recalled concepts as effectively as experienced...
Chen, Hsinchun, Schatz, Bruce R., Ng, Tobun Dorbin, Martinez, Joanne, Kirchhoff, Amy, Lin, Chienting
This research presents preliminary results generated from the semantic retrieval research component of the Illinois Digital Library Initiative (DLI) project. Using a variation of the automatic...
Building Large-Scale Digital Libraries (1996)
Schatz, Bruce R., Chen, Hsinchun
In this era of the Internet and the World Wide Web, the long-time topic of digital libraries has suddenly become white hot. As the Internet expands, particularly the WWW, more people are recognizing...
Federating diverse collections of scientific literature (1996)
Schatz, Bruce R., Mischo, William, Cole, Timothy, Hardin, J., Bishop, Ann Peterson, Chen, Hsinchun
A University of Illinios project is developing an infrastructure for indexing scientific literature so that mutliple Internet sources can be searched as a single federated digital library.
Lin, Chung-hsin, Chen, Hsinchun
An automatic indexing and concept classification approach to a multilingual (Chinese and English) bibliographic database is presented. We introduced a multi-linear termphrasing technique to extract...
Orwig, Richard E., Chen, Hsinchun, Vogel, D., Nunamaker Jr., Jay F.
The strategic planning process is dynamic and complex. Including a Group Support System (GSS) in the problem-solving process can improve the content quality of the strategic plan by allowing...
Schatz, Bruce R., Johnson, Eric H., Cochrane, Pauline A., Chen, Hsinchun
The basic problem in information retrieval is that large scale searches can only match terms specified by the user to terms appearing in documents in the digital library collection. Intermediate...
Internet Categorization and Search: A Self-Organizing Approach (1996)
Chen, Hsinchun, Schuffels, Chris, Orwig, Richard E.
The problems of information overload and vocabulary differences have become more pressing with the emergence of increasingly popular Internet services. The main information retrieval mechanisms...
Internet Categorization and Search: A Self-Organizing Approach (1996)
Chen, Hsinchun, Schuffels, Chris, Orwig, Richard E.
The problems of information overload and vocabulary differences have become more pressing with the emergence of increasingly popular Internet services. The main information retrieval mechanisms...
Hsinchun Chen, Bruce Schatz, Tobun Ng, Joanne Martinez, Amy Kirchhoff, Chienting Lin
: This research presents preliminary results generated from the semantic retrieval research component of the Illinois Digital Library Initiative (DLI) project. Using a variation of the automatic...
Chow, Hsiao-Hui, Chen, Hsinchun, Ng, Tobun Dorbin, Myrdal, P., Yalkowsky, S.H.
This research examined the applicability of using a neural network approach to the estimation of aqueous activity coefficients of aromatic organic compounds from fragmented structural information. A...
Chen, Hsinchun, Ng, Tobun Dorbin
This paper presents a framework for knowledge discovery and concept exploration. In order to enhance the concept exploration capability of knowledge-based systems and to alleviate the limitations of...
Automatic Thesaurus Generation for an Electronic Community System (1995)
Chen, Hsinchun, Schatz, Bruce R., Yim, Tak, Fye, David
This research reports an algorithmic approach to the automatic generation of thesauri for electronic community systems. The techniques used included term filtering, automatic indexing, and cluster...
Information retrieval using probabilistic techniques has attracted significant attention on the part of researchers in information and computer science over the past few decades. In the 198Os,...
An Issues Identifier for Online Financial Databases (1995)
Yen, J., Chen, Hsinchun, Ma, P., Bui, T.
A major problem that decision makers are facing in an information-rich society is how to absorb, filter and make effective use of available data. The problem caused by information overflow could lead...
Chen, Hsinchun, Schatz, Bruce R., Lin, Chienting
The problems of information overload and vocabulary differences have become more pressing with the emergence of the increasingly popular Internet services. The main information retrieval mechanisms...
ARTICLE NO. 0008 Internet Categorization and Search: A Self-Organizing Approach (1995)
Hsinchun Chen, Chris Schuffels, Richard Orwig
The problems of information overload and vocabulary differ-that is used by searchers of varying backgrounds a more intelligent and proactive search aid is needed. ences have become more pressing with...
Information retrieval using probabilistic techniques has at-tracted significant attention on the part of researchers in information and computer science over the past few de-cades. In the 198Os,...
GANNET: A machine learning approach to document retrieval (1994)
Information science researchers have recently turned to new artificial intelligence-based inductive learning techniques including neural networks, symbolic learning and genetic algorithms. An...
Expert Prediction, Symbolic Learning, and Neural Networks: An Experiment on Greyhound Racing (1994)
Chen, Hsinchun, Buntin, P., She, Linlin, Sutjahjo, S., Sommer, C., Neely, D.
For our research, we investigated a different problem-solving scenario called game playing, which is unstructured, complex, and seldom-studied. We considered several real-life game-playing scenarios...
Automatic Concept Classifiication of Text From Electronic Meetings (1994)
Chen, Hsinchun, Hsu, P., Orwig, Richard E., Hoopes, L., Nunamaker Jr., Jay F.
In this research we adopted an artificial intelligence (AI) approach to designing an automatic concept classification tool for electronic brainstorming output. The role of AI techniques such as...
Explaining and Alleviating Information Management Indeterminism: A Knowledge-based Framework (1994)
Chen, Hsinchun, Danowitz, A.K., Lynch, K.J., Goodman, S.E., McHenry, W.K.
Our research attempted to identify the nature and causes of information management indeterminism in an online research environment and to propose solutions for alleviating this indeterminism. We...
Collaborative Systems: Solving the vocabulary problem (1994)
Can on-line information retrieval systems negotiate the diverse vocabularies of different users? This article suggests a robust algorithmic solution to the vocabulary problem in collaborative systems.
Inductive Query by Examples (IQBE): A Machine Learning Approach (1994)
This paper presents an incremental, inductive learning approach to query-by examples for information retrieval (IR) and database management systems (DBMS). After briefly reviewing conventional...
Semantic Retrieval for the NCSA Mosaic (1994)
Chen, Hsinchun, Schatz, Bruce R.
In this paper we report an automatic and scalable concept space approach to enhancing the deep searching capability of the NCSA Mosaic. The research, which is based on the findings from a previous...
Document Clustering for Electronic Meetings: An Experimental Comparison of Two Techniques (1994)
Dmitri G. Roussinov, Hsinchun Chen
In this article, we report our implementation and comparison of two text clustering techniques. One is based on Ward's clustering and the other on Kohonen's Self-organizing Maps. We have...
Z. Decision Support Systems 27 1999 67--79 (1994)
Www Elsevier Comrlocaterdsw, Dmitri G. Roussinov, Hsinchun Chen
In this article, we report our implementation and comparison of two text clustering techniques. One is based on Ward's clustering and the other on Kohonen's Self-organizing Maps. We have...
Automatic Construction of Networks of Concepts Characterizing Document Databases (1994)
An Article Template, Hsinchun Chen, Kevin J. Lynch
We report results of a study that involved the creation of knowledge bases of concepts from large, operational textual databases. Two East-bloc computing knowledge bases, both based on a semantic...
Generating, Integrating, and Activating Thesauri for Concept-based Document Retrieval (1993)
Chen, Hsinchun, Lynch, K.J., Basu, K., Ng, Tobun Dorbin
This Blackboard-based design uses a neural-net spreading-activation algorithm to traverse multiple thesauri. Guided by heuristics, the algorithm activates related terms in the thesauri and converges...
Approach on the Vocabulary Problem in Collaboration (1993)
Previous research in information science and in human-computer interaction has shown that people tend to use different terms to describe a similar concept. Due to the unique backgrounds, training,...
Browsing in Hypertext: A Cognitive Study (1992)
Carmel, Erran, Crawford, Stephen, Chen, Hsinchun
With the growth of hypertext and multimedia applications that support and encourage browsing it is time to take a penetrating look at browsing behavior. Several dimensions of browsing are examined,...
Knowledge-Based Document Retrieval: Framework and Design (1992)
This article presents research on the design of knowledge-based document retrieval systems. We adopted a semantic network structure to represent subject knowledge and classification scheme knowledge...
Information Management in Research Collaboration (1992)
Chen, Hsinchun, Lynch, K.J., Himler, A.K., Goodman, S.E.
Much of the work in business and academia is performed by groups of people. While significant advancement has been achieved in enhancing individual productivity by making use of information...
Automatic Construction of Networks of Concepts Characterizing Document Databases (1992)
The results of a study that involved the creation of knowledge bases of concepts from large, operational textual databases are reported. Two East-bloc computing knowledge bases, both based on a...
The landscape of international computing (1992)
Roche, E.M., Goodman, S.E., Chen, Hsinchun
The landscape of international computing is highly diverse from country to country, reflecting national differences and cultures. In addition, developments at the international level such as the...
Cognitive Process as a Basis for Intelligent Retrieval Systems Design (1991)
Two studies were conducted to investigate the cognitive processes involved in online document-based information retrieval. These studies led to the development of five computational models of online...
This article reports findings of empirical research that investigated information searchers online query refinement process. Prior studies have recognized the information specialists' role in helping...
A Knowledge-Based Approach to the Design of Document-Based Retrieval Systems (1990)
This article presents a knowledge-based approach to the design of document-based retrieval systems. We conducted two empirical studies investigating the users' behavior using an online catalog. The...
User Misconceptions of Information Retrieval Systems (1990)
We report results of an investigation where thirty subjects were observed performing subject-based search in an online catalog system. The observations have revealed a range of misconceptions users...
User misconceptions of information retrieval systems (1990)
Hsinchun Chen, Nsinchun Chen, Vasant Dhar, Vasant Dhar
In this paper, we report results of an investigation where thirty subjects were ob-served performing subject-based search in an online catalog system. The observations have revealed a range of...
Thesis (Ph. D.)--New York University, 1989.
An artificial intelligence approach to the design of online information retrieval systems / (1989)
Typescirpt.
Validating a Geographical Image Retrieval System (1989)
Bin Zhu Management, Bin Zhu, Hsinchun Chen
This paper summarizes a prototype geographical image retrieval system that demonstrates how to integrate image processing and information analysis techniques to support large-scale content-based...
USER MISCONCEPTIONS OF INFORMATION RETRIEVAL SYSTEMS (1988)
In this paper, we report results of an investigation where thirty subjects were observed performing subject-based search in an online catalog system. The observations have revealed a range of...
USER MISCONCEPTIONS OF INFORMATION RETRIEVAL SYSTEMS (1988)
In this paper, we report results of an investigation where thirty subjects were observed performing subject-based search in an online catalog system. The observations have revealed a range of...
USER MISCONCEPTIONS OF INFORMATION RETRIEVAL SYSTEMS (1988)
In this paper, we report results of an investigation where thirty subjects were observed performing subject-based search in an online catalog system. The observations have revealed a range of...
USER MISCONCEPTIONS OF INFORMATION RETRIEVAL SYSTEMS (1988)
In this paper, we report results of an investigation where thirty subjects were observed performing subject-based search in an online catalog system. The observations have revealed a range of...
REDUCING INDETERMINISM IN CONSULTATION: A COGNITIVE MODEL OF USER/LIBRARIAN INTERACTIONS (1987)
In information facilities such as libraries, finding documents that are relevant to a user query is difficult because of the indeterminism involved in the process by which documents are indexed, and...
REDUCING INDETERMINISM IN CONSULTATION: A COGNITIVE MODEL OF USER/LIBRARIAN INTERACTIONS (1987)
In information facilities such as libraries, finding documents that are relevant to a user query is difficult because of the indeterminism involved in the process by which documents are indexed, and...
REDUCING INDETERMINISM IN CONSULTATION: A COGNITIVE MODEL OF USER/LIBRARIAN INTERACTIONS (1987)
In information facilities such as libraries, finding documents that are relevant to a user query is difficult because of the indeterminism involved in the process by which documents are indexed, and...
REDUCING INDETERMINISM IN CONSULTATION: A COGNITIVE MODEL OF USER/LIBRARIAN INTERACTIONS (1987)
In information facilities such as libraries, finding documents that are relevant to a user query is difficult because of the indeterminism involved in the process by which documents are indexed, and...
Reducing Indeterminism In Consultation: A Cognitive Model of User/Librarian Interactions (1987)
In information facilities such as libraries, finding documents that are relevant to a user query is difficult because of the indeterminism involved in the process by which documents are indexed, and...
Center for Research on Information Systems Information Systems Area (1987)
In information facilities such as libraries, finding documents that are relevant to a user query is difficult because of the indeterminism involved in the process by which documents are indexed, and...
The Dynamics of Terrorist Networks: Understanding the Survival Mechanisms of Global Salafi Jihad
Xu, Jie, Hu, Daning, Chen, Hsinchun
Today terrorists usually work in network forms to conduct attacks. Terrorist networks remain active and can still function even after being severely damaged by authorities. Analyzing terrorist...