List of Supported Students and Staff (2009)
Anupam Joshi, Dipanjan Chakraborty, Ph. D, Chaitanya Pullela
Avancha(9/2000-8/2001). Chakraborty is directly supported by this award. Pullela and Xu were supported by startup funds committed by the department related to this project. Korolev, Avancha and...
Lalana Kagal, Vladimir Korolev, Sasikanth Avancha, Anupam Joshi, Tim Finin, Yelena Yesha
Abstract. In the near future, we will see dramatic changes in computing and networking hardware. A large number of devices (e.g., phones, PDAs, even small household appliances) will become...
On Modeling Trust in Social Media using Link Polarity 1 (2008)
Anubhav Kale, Pranam Kolari, Akshay Java, Tim Finin, Anupam Joshi
There is a growing interest in exploring the role of social networks to understand how communities and individuals spread influence. In a densely connected online world, social media and networks...
Security Issues in Mobile Ad Hoc Networks- A Survey (2008)
In this paper, we discuss security issues and their current solutions in the mobile ad hoc network. Owe to the vulnerable nature of the mobile ad hoc network, there are numerous security threats that...
Minor(s): Professional publications: (2008)
Li Ding, Pranam Kolari, Shashidhara Ganjugunte, Tim Finin, Anupam Joshi
’03). Title of Thesis: Extending Reasoning Infrastructure for Rules on the Semantic Web:
A Data Intensive Reputation Management Scheme for Vehicular Ad Hoc Networks (2008)
Anupam Joshi, Tim Finin, Yelena Yesha
Abstract — In vehicular ad hoc networks individual vehicles can help each other locate resources and establish trustworthiness under highly dynamic conditions, lacking any centralized trust...
Sasikanth Avancha, Vladimir Korolev, Anupam Joshi, Timothy Finin, Yelena Yesha
On experiments with a transport protocol
Web (2.0) Mining: Analyzing Social Media (2008)
Anupam Joshi, Tim Finin, Akshay Java, Anubhav Kale, Pranam Kolari
Social media systems such as blogs, photo and link sharing sites, wikis and on-line forums are estimated to produce up to one third of new Web content. One thing that sets these ”Web 2.0 ” sites...
Protecting the privacy of passive RFID tags (2008)
Nimish Vartak, Anupam Joshi, Tim Finin, Paul Nagy
Abstract — Radio Frequency Identification (RFID) is an emerging wireless technology with many potential applications, including supply chain management, personnel tracking and point of sale...
Filip Perich, Anupam Joshi, Yelena Yesha, Tim Finin
e-mail: The date of receipt and acceptance will be inserted by the editor Abstract Locating and obtaining context sensitive information in a mobile environment has always been a challenge. This is...
Second Space: a Generative Model for the Blogosphere (2008)
Amit Kar, Akshay Java, Anupam Joshi, Tim Finin, Yaacov Yesha, Yelena Yesha
Analysing complex natural phenomena often requires synthesized data that matches observed characteristics. Graph models are widely used in analyzing the Web in general, but are less suitable for...
Professional publications: (2008)
Name Of C, Lalana Kagal, Filip Perich, Anupam Joshi, Tim Finin “vigil
Collegiate institutions attended:
Anupam Joshi, Raghu Krishnapuram
University of Maryland, Baltimore County, and Raghu Krishnapuram at the Colorado School of Mines. The goal is to develop scalable robust techniques to model noisy data sets containing an unknown...
Abstract An Approach to Dynamic Service Management in Pervasive Computing Systems ∗ (2008)
Lalana Kagal, Vladimir Korolev, Tim Finin, Sasikanth Avancha, Anupam Joshi
In the near future, we will see dramatic changes in computing and networking hardware. A large number of devices (e.g., phones, PDAs, even small household appliances) will become computationally...
1 Using a Natural Language Understanding System to Generate Semantic Web Content (2008)
Akshay Java, Sergei Nirneburg, Marjorie Mcshane, Timothy Finin, Jesse English, Anupam Joshi
We describe our research on automatically generating rich semantic annotations of text and making it available on the Semantic Web. In particular, we discuss the challenges involved in adapting the...
Anand Patwardhan, Jim Parker, Anupam Joshi
Abstract — Numerous schemes have been proposed for secure routing and Intrusion Detection for ad hoc networks. Yet, little work exists in actually implementing such schemes on small handheld...
Sheetal Agarwal, Anupam Joshi, Tim Finin, Yelena Yesha, Tim Ganous
We describe a prototype Context Aware Perioperative Information System to capture and interpret data in an operating room of the future. The captured data is used to construct the context of the...
Using a Natural Language Understanding System to (2008)
Akshay Java, Sergei Nirenburg, Marjorie Mcshane, Timothy Finin, Jesse English, Anupam Joshi
We describe our research on automatically generating rich semantic annotations of text and making it available on the Semantic Web. In particular, we discuss the challenges involved in adapting the...
Using Ontologies in the Semantic Web: A Survey (2008)
Li Ding, Pranam Kolari, Zhongli Ding, Sasikanth Avancha, Tim Finin, Anupam Joshi, ...
The Semantic Web is well recognized as an effective infrastructure to enhance visibility of knowledge on the Web. The core of the Semantic Web is ontology, which is used to explicitly represent our...
Utilizing Semantic Policies for Secure BGP Route Dissemination (2008)
Sethuram Balaji Kodeswaran, Palanivel Kodeswaran, Anupam Joshi
Abstract — Policies in BGP are expressed as routing configurations that determine how route information is shared among neighbors to control traffic flows across networks. This process is limited...
Querying in Packs: Trustworthy Data Management in Ad Hoc Networks (2008)
Filip Perich, Anupam Joshi, Tim Finin, Yelena Yesha
We describe a trust-based data management framework enabling mobile devices to access the distributed computation, storage, and sensory resources available in pervasive computing environments....
Agent Communication In DAML World 1 (2008)
Youyong Zou, Tim Finin, Yun Peng, Anupam Joshi, Scott Cost
Abstract. Darpa Agent Markup Language (DAML) [7] is the newest effort for Semantic Web [5]. It can be used to create ontologies and markup information resource like web pages. The information...
Minor(s): Professional publications: (2008)
Dr. Anupam Joshi, Or Dornbush, Zary Segall, Kevin Fisher
XPod a human activity and emotion aware mobile music player
Sasikanth Avancha, Dipanjan Chakraborty, Dhiral Gada, Tapan Kamdar, Anupam Joshi, Sasikanth Avancha, ...
Mobile IP, an extension of the standard IP protocol is used to keep track of location information and make the data available to the mobile device anytime, anywhere. With increasing technological...
Adaptive Multimedia System Architecture for Improving QoS in Wireless Networks (2008)
Amit Mahajan, Padmavathi Mundur, Anupam Joshi
Abstract. In this paper, we present an adaptive end-system based architecture for improving QoS in wireless networks. The proposed system adapts to fluctuating network resources by transmitting lower...
Abstract On Mining Web Access Logs (2008)
Anupam Joshi, Raghu Krishnapuram
The proliferation of information on the world wide web has made the personalization of this information space a necessity. One possible approach to web personalization is to mine typical user...
Abstract Towards Spam Detection at Ping Servers ∗ (2008)
Pranam Kolari, Tim Finin, Akshay Java, Anupam Joshi
Spam blogs, or splogs feature plagiarized or auto-generated content. They create link farms to promote affiliates, and are motivated by the profitability of hosting ads. Splogs infiltrate the...
Conflict of Interest • Should Arpinar review Verma’s paper? (2008)
Boanerges Aleman-meza, Meenakshi Nagarajan, Cartic Ramakrishnan, Li Ding, Pranam Kolari, Amit P. Sheth, ...
• Situation(s) that may bias a decision • Why it is important to detect COI? – for transparency in circumstances such as contract allocation, IPOs, corporate law, and peer-review of scientific...
Using Ontologies in the Semantic Web: A Survey (2008)
Li Ding, Pranam Kolari, Zhongli Ding, Sasikanth Avancha, Tim Finin, Anupam Joshi
The Semantic Web is well recognized as an effective infrastructure to enhance visibility of knowledge on the Web. The core of the Semantic Web is ontology, which is used to explicitly represent our...
Intelligent Ad hoc Marketing within Hotspot Networks (2008)
Olga Ratsimor, Sethuram Balaji Kodeswaran, Tim Finin, Anupam Joshi, Yelena Yesha, Olga Ratsimor, ...
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being explored...
Haimonti Dutta, Hillol Kargupta, Anupam Joshi
Several challenging new applications demand the ability to do data mining on resource constrained devices. One such application is that of monitoring physiological data streams obtained from wearable...
ITTALKS: A Case Study in the SemanticWeb and DAML (2008)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
Interactive Image Retrieval over the Internet (2008)
Jozsef Vass, Jia Yao, Anupam Joshi, Xinhua Zhuang
In the paper, an e cient image database system is developed. The most important features of the proposed system include compressed domain indexing, searching by using scalable features, and...
Social Ties and their Relevance to Churn in Mobile Telecom Networks (2008)
Koustuv Dasgupta, Rahul Singh, Balaji Viswanathan, Dipanjan Chakraborty, Sougata Mukherjea, Amit A. Nanavati, ...
Social Network Analysis has emerged as a key paradigm in modern sociology, technology, and information sciences. The paradigm stems from the view that the attributes of an individual in a network are...
Sansanee Auephanwiriyakul, Anupam Joshi, Raghu Krishnapuram
Video Databases and video on demand represent an important application of the evolving Global Information Infrastructure. However, video querying involves a lot of user interaction and feedback based...
Anupam Joshi, Sansanee Auephanwiriyakul, Raghu Krishnapuram
Video Databases and video on demand represent an important application of the evolving Global Information Infrastructure. However, video querying involves a lot of user interaction and feedback based...
MultiAgent Techniques for Simulation of Complex Scientific Systems (2007)
T. T. Drashansky, J. R. Rice, E. N. Houstis, S. Weerawarana, E. Vavalis, P. Tsompanopoulou, ...
In this paper we present a paradigm for simulating complex systems. Such systems, typically found in Scientific and Engineering domains (simulating an engine, designing an airplane wing), involve...
Interactive Image Retrieval over the Internet (2007)
Jozsef Vass, Jia Yao, Anupam Joshi, Kannappan Palaniappan, Xinhua Zhuang
In the paper, an efficient image database system is developed. The most important features of the proposed system include compressed domain indexing, searching by using scalable features, and...
Numi: A Framework for Collaborative Data Management in a Network of InfoStations (2007)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
A network of infostations offering high bandwidth islands of data connectivity has often been suggested as a viable alternative to cellular WAN for providing network connectivity for mobile devices....
ITtalks: A Case Study in the Semantic Web (2007)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
languages will improve the automated gathering and processing of information and help integrate multiagent systems with the existing information infrastructure. In this article, the authors describe...
ABSTRACT Sidekick: A Personal agent for the semantic web ∗ (2007)
Subhash Kumar, Tim Finin, Anupam Joshi, Mithun Sheshagiri
The Semantic Web is a vision to simplify and improve knowledge reuse on the Web. It is all set to alter the way humans benefit from the web from active interaction to somewhat passive utilization...
1 Low-Complexity Fuzzy Relational Clustering Algorithms for Web Mining (2007)
Raghu Krishnapuram, Anupam Joshi, Olfa Nasraoui, Liyu Yi
This paper presents new algorithms (Fuzzy c-Medoids or FCMdd and Robust Fuzzy c-Medoids or RFCMdd) for fuzzy clustering of relational data. The objective functions are based on selecting c...
Olfa Nasraoui, Raghu Krishnapuram, Anupam Joshi
Abstract. The proliferation of information on the world wide Web has made the personalization of this information space a necessity. Personalization of content returned from a Web site is a desired...
Issues in Data Management for Pervasive Environments (2007)
Sasikanth Avancha, Dipanjan Chakraborty, Harry Chen, Lalana Kagal, Filip Perich, Timothy Finin, ...
A new vista is open for research in the area of data management in pervasive environments where mobile devices gather and exchange information from other devices based on their current context. Each...
The Role of the Semantic Web in Pervasive Context-Aware Systems ⋆ (2007)
Harry Chen, Tim Finin, Anupam Joshi
Abstract. This paper describes an ontology expressed in OWL for supporting agent based context-aware systems in a pervasive computing environment. Defining an explicit representation of the ontology...
A Secure Infrastructure for Service Discovery Access in Pervasive Computing (2007)
Jeffrey Undercoffer, Filip Perich, Andrej Cedilnik, Lalana Kagal, Anupam Joshi
Security is paramount to the success of pervasive computing environments. The system presented in this paper provides a communications and security infrastructure that goes far in advancing the goal...
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin
Abstract Technological advances in semiconductor processing and design as well as wireless networking are leading us towards the vision of Pervasive Computing. We envision that in the (near) future,...
An Agent-Based Approach to Ubiquitous Information Access (2007)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi
Ubiquitous information access from dierent mobile devices is a challenge to computer science researchers. Research in this area has focused on eliminating dierent wireless link related problems like...
Information agents for mobile and embedded devices (2007)
Tim Finin, Anupam Joshi, Lalana Kagal, Olga Ratsimore, Vlad Korolev, Harry Chen
Abstract. The pervasive computing environments of the near future will involve the interactions, coordination and cooperation of numerous, casually accessible, and often invisible computing devices....
1 Introduction Moving from Security to Distributed Trust in Ubiquitous Computing Environments (2007)
Lalana Kagal, Anupam Joshi, Jeffrey Undercoffer, Filip Perich, Tim Finin
finin @ cs.umbc.edu Traditionally, stand-alone computers and small networks rely on user authentication and access control to provide security. These physical methods use system-based controls to...
Agents making sense of the Semantic Web (2007)
Lalana Kagal, Filip Perich, Harry Chen, Sovrin Tolia, Youyong Zou, Tim Finin, ...
Abstract. Effective use of the vast quantity of available information and services on the Internet will require multi-agent systems to be tightly integrated with existing web infrastructure. This...
A SmartSpace Approach to Service Management in Pervasive Systems (2007)
Lalana Kagal, Vladimir Korolev, Sasikanth Avancha, Anupam Joshi, Timothy Finin
In an age where wirelessly networked appliances and devices are becoming commonplace, there is a necessity for providing a standard interface to them that is easily accessible by any mobile user. The...
Information agents for mobile and embedded devices (2007)
Tim Finin, Anupam Joshi, Lalana Kagal, Olga Ratsimore, Vlad Korolev, Harry Chen
Abstract. The pervasive computing environments of the near future will involve the interactions, coordination and cooperation of numerous, casually accessible, and often invisible computing devices....
Me-Services: A Framework for Secure Personalized (2007)
Discovery Composition And, Anupam Joshi, Timothy Finin, Yelena Yesha
Increasing computational capabilities and decreasing costs of commonly used devices, and the concomitant development of short range, ad-hoc networking technologies, will help realize the pervasive...
Modeling trust and influence in the blogosphere using link polarity (2007)
Anubhav Kale, Amit Kar, Pranam Kolari, Akshay Java, Tim Finin, Anupam Joshi
There is a growing interest in social network analysis to explore how communities and individuals spread influence. We describe techniques to find "like minded " blogs based on...
RDF123: a mechanism to transform spreadsheets to RDF (2007)
Lushan Han, Tim Finin, Cynthia Parr, Joel Sachs, Anupam Joshi
We describe RDF123, a highly flexible open-source tool for transforming spreadsheet data to RDF. Existing spreadsheet-to-rdf tools typically map only to star-shaped RDF graphs, i.e. each spreadsheet...
Feeds That Matter: A Study of Bloglines Subscriptions (2007)
Akshay Java, Pranam Kolari, Tim Finin, Anupam Joshi, Tim Oates
As the Blogosphere continues to grow, finding good quality feeds is becoming increasingly difficult. In this paper we present an analysis of the feeds subscribed by a set of publicly listed Bloglines...
Boanerges Aleman-meza, Meenakshi Nagarajan, Cartic Ramakrishnan, Li Ding, Pranam Kolari, Amit P. Sheth, ...
In this paper, we describe a Semantic Web application that detects Conflict of Interest (COI) relationships among potential reviewers and authors of scientific papers. This application discovers...
Context-Aware System to Create Electronic Medical Encounter Records (2006)
Sheetal Agarwal, Anupam Joshi, Tim Finin
We describe a prototype system to capture and interpret data in a perioperative environment in order to construct an Electronic Medical Encounter Record (EMR). The EMR records and correlates...
Detecting Spam blogs: A machine learning approach (2006)
Pranam Kolari, Akshay Java, Tim Finin, Tim Oates, Anupam Joshi
Weblogs or blogs are an important new way to publish information, engage in discussions, and form communities on the Internet. The Blogosphere has unfortunately been infected by several varieties of...
BlogVox: Separating Blog Wheat from Blog Chaff (2006)
Akshay Java, Pranam Kolari, Tim Finin, Anupam Joshi, Justin Martineau, James Mayfield
Blog posts are often informally written, poorly structured, rife with spelling and grammatical errors, and feature non-traditional content. These characteristics make them difficult to process with...
Toward distributed service discovery in pervasive computing environments (2006)
Dipanjan Chakraborty, Anupam Joshi, Senior Member, Yelena Yesha, Senior Member, Tim Finin
Abstract—The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and...
BlogVox: Separating Blog Wheat from Blog Chaff (2006)
Akshay Java, Pranam Kolari, Tim Finin, Anupam Joshi, Justin Martineau, James Mayfield
Blog posts are often informally written, poorly structured, rife with spelling and grammatical errors, and feature non-traditional content. These characteristics make them difficult to process with...
Boanerges Aleman-meza, Meenakshi Nagarajan, Cartic Ramakrishnan, Li Ding, Pranam Kolari, Amit P. Sheth, ...
In this paper, we describe a Semantic Web application that detects Conflict of Interest (COI) relationships among potential reviewers and authors of scientific papers. This application discovers...
Toward distributed service discovery in pervasive computing environments (2006)
Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
The paper proposes a novel distributed service discovery protocol for pervasive environments. The protocol is based on the concepts of peer-to-peer caching of service advertisements and group-based...
A Pervasive Computing System for the Operating Room of the Future (2006)
Sheetal Agarwal, Anupam Joshi, Tim Finin, Yelena Yesha
We describe a prototype Context Aware Perioperative Information System to capture and interpret data in an operating room of the future. The captured data is used to construct the context of the...
Content and context aware networking using semantic tagging (2006)
Sethuram Balaji Kodeswaran, Anupam Joshi
Today’s model of networking primarily concentrates intelligence at the end hosts with the network itself offering a simple“best-effort”,“data agnostic ” communication medium. However, this...
Blog Track Open Task: Spam Blog Classification (2006)
Pranam Kolari, Tim Finin, Akshay Java, Anupam Joshi, Justin Martineau
Spam blogs or Splogs are blogs with either auto-generated or plagiarized content created for the sole purpose of hosting ads, promoting affiliate sites and getting new pages indexed. Splogs now rival...
Search on the semantic web (2005)
Li Ding, Tim Finin, Anupam Joshi, Yun Peng, Rong Pan, Pavan Reddivari
The Semantic Web provides a way to encode information and knowledge on web pages in a form that is easier for computers to understand and process. This article discusses the issues underlying the...
Enhancing web privacy protection through declarative policies (2005)
Pranam Kolari, Li Ding, Shashidhara G, Anupam Joshi, Tim Finin
The Platform for Privacy Preferences (P3P) is a W3C framework for web privacy management. It provides a standard vocabulary that websites can use to describe their privacy practices. The presence of...
Search on the semantic web (2005)
Li Ding, Tim Finin, Anupam Joshi, Yun Peng, Rong Pan, Pavan Reddivari, ...
The Semantic Web provides a way to encode information and knowledge on web pages in a form that is easier for computers to understand and process. This article discusses the issues underlying the...
On Homeland Security and the Semantic Web: (2005)
Provenance And Trust, Li Ding, Pranam Kolari, Tim Finin, Anupam Joshi, Yun Peng, ...
This paper focuses on one type of semantic association which is a simple path linking two RDF nodes in an given RDF graph, e.g. Mr. X Company A# Organization B, Osama Bin Laden
Search on the semantic web (2005)
Li Ding, Tim Finin, Anupam Joshi, Yun Peng, Rong Pan, Pavan Reddivari
The Semantic Web provides a way to encode information and knowledge on web pages in a form that is easier for computers to understand and process. This article discusses the issues underlying the...
Swoogle: Searching for knowledge on the Semantic Web (2005)
Tim Finin, Li Ding, Rong Pan, Anupam Joshi, Pranam Kolari, Akshay Java, ...
Most knowledge on the Web is encoded as natural language text, which is convenient for human users but very difficult for software agents to understand. Even with increased use of XML-encoded...
The SOUPA Ontology for Pervasive Computing (2005)
Harry Chen, Tim Finin, Anupam Joshi
Abstract. This paper describes SOUPA (Standard Ontology for Ubiquitous and Pervasive Applications) and the use of this ontology in building the Context Broker Architecture (CoBrA). CoBrA is a new...
A.: Analyzing Social Networks on the Semantic Web (2005)
Li Ding, Tim Finin, Anupam Joshi
The past year has seen a dramatic increase in the amount of social information published in RDF documents. Our investigations [1, 2] show that the Friend of a Friend (FOAF) ontology [3] is among the...
How the Semantic Web is Being Used: An Analysis of FOAF Documents (2005)
Li Ding, Lina Zhou, Tim Finin, Anupam Joshi
Abstract — Semantic Web researchers have initially focused on the representation, development and use of ontologies but paid less attention to the social and structural relationships involved. The...
Finding and Ranking Knowledge on the Semantic Web (2005)
Li Ding, Rong Pan, Tim Finin, Anupam Joshi, Yun Peng, Pranam Kolari
Abstract. Swoogle helps software agents and knowledge engineers find Semantic Web knowledge encoded in RDF and OWL documents on the Web. Navigating such a Semantic Web on the Web is difficult due to...
Collaborative Joins in a Pervasive Computing Environment (2005)
Filip Perich, Anupam Joshi, Yelena Yesha, Tim Finin
Locating and obtaining context sensitive information in a mobile environment has always been a challenge. This is especially true for pervasive computing environments where in addition to limited...
On homeland security and the semantic web: A provenance and trust aware inference framework (2005)
Li Ding, Pranam Kolari, Tim Finin, Anupam Joshi, Yun Peng, Yelena Yesha
Discovering and evaluating interesting patterns and semantic associations in vast amount of information provided by many different sources is an important and time-consuming work for homeland...
Finding and Ranking Knowledge on the Semantic Web (2005)
Li Ding, Rong Pan, Tim Finin, Anupam Joshi, Yun Peng, Pranam Kolari
Abstract. Swoogle is a system that helps knowledge engineers and software agents find knowledge on the web encoded in the semantic web languages RDF and OWL. Based on the search mechanisms provided...
Finding and Ranking Knowledge on the Semantic Web (2005)
Li Ding, Rong Pan, Tim Finin, Anupam Joshi, Yun Peng, Pranam Kolari
Abstract. Swoogle is a system that helps knowledge engineers and software agents find knowledge on the web encoded in the semantic web languages RDF and OWL. Based on the search mechanisms provided...
Secure routing and intrusion detection in ad hoc networks (2005)
Numerous schemes have been proposed for secure routing protocols, and Intrusion Detection and Response Systems, for ad hoc networks. In this paper, we present a proof-of-concept implementation of a...
Service discovery in agent-based pervasive computing environments (2004)
Olga Ratsimor, Dipanjan Chakraborty, Deepali Khushraj, Anugeetha Kunjithapatham, Anupam Joshi, Timothy Finin, ...
Directory based service discovery mechanisms are unsuitable for ad-hoc m-commerce environments. Working towards nding an alternate mechanism, we developed Allia: a peer-to-peer caching based and...
Semantic Web in the Context Broker Architecture (2004)
Harry Chen, Tim Finin, Anupam Joshi
This document describes a new architecture that exploits Semantic Web technologies for supporting pervasive context-aware systems. This architecture called Context Broker Architecture (CoBrA) differs...
reputation we believe: query processing in mobile adhoc networks (2004)
Filip Perich, Anupam Joshi, Jeffrey Undercoffer, Timothy Finin, Lalana Kagal, Yelena Yesha
Research on data management in mobile ad-hoc networks focuses on discovering sources and acquiring information. Mobile devices assume answers to be correct and do not verify the veracity of the...
Modeling and evaluating trust network inference (2004)
Li Ding, Pranam Kolari, Shashidhara Ganjugunte, Tim Finin, Anupam Joshi
The growth in knowledge sharing enabled by the (Semantic) Web has made trust an increasingly critical issue. Based on explicit inter-agent trust relations, a trust network emerges on the (Semantic)...
A Target-Centric Ontology for Intrusion Detection (2004)
Jeffrey Undercoffer, John Pinkston, Anupam Joshi, Timothy Finin
We have produced an ontology specifying a model of computer attack. Our ontology is based upon an analysis of over 4,000 classes of computer intrusions and their corresponding attack strategies and...
A Target-Centric Ontology for Intrusion Detection (2004)
John Pinkston, Jeffrey Undercoffer, Anupam Joshi, Timothy Finin
We have produced an ontology specifying a model of computer attacks. Our ontology is based upon an analysis of over 4,000 classes of computer intrusions and their corresponding attack strategies and...
SOUPA: Standard Ontology for Ubiquitous and Pervasive Applications (2004)
Harry Chen, Filip Perich, Tim Finin, Anupam Joshi
We describe a shared ontology called SOUPA -- Standard Ontology for Ubiquitous and Pervasive Applications. SOUPA is designed to model and support pervasive computing applications. This ontology is...
Ontology-Driven Adaptive Sensor Networks (2004)
Sasikanth Avancha, Chintan Patel, Anupam Joshi
A wireless sensor network deployed in an area of interest is affected by variations in environmental conditions associated with that area. It must adapt to these variations in order to continue...
Intelligent agents meet semantic web in a smart meeting room (2004)
Harry Chen, Filip Perich, Dipanjan Chakraborty, Tim Finin, Anupam Joshi
We describe a new smart meeting room system called EasyMeeting that explores the use of FIPA agent technologies, Semantic Web ontologies, logic reasoning, and security and privacy policies. Building...
Enhancing P3P Framework through Policies and Trust (2004)
Pranam Kolari, Li Ding, Lalana Kagal, Shashidhara Ganjugunte, Anupam Joshi, Tim Finin
Abstract. The Platform for Privacy Preferences (P3P) is a W3C standard that websites can use to describe their privacy practices. The presence of P3P policies enable users to configure web browsers...
A Pervasive Computing Ontology for User Privacy Protection in the Context Broker Architecture (2004)
Harry Chen, Harry Chen, Tim Finin, Tim Finin, Anupam Joshi, Anupam Joshi
Abstract. Privacy protection is a key requirement for the future pervasive computing systems. This paper describes the design and implementation of a privacy protection framework that exploits the...
On Data Management in Pervasive Computing Environments (2004)
Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
This paper presents a framework to address new data management challenges introduced by data-intensive, perva-sive computing environments. These challenges include a spatio-temporal variation of data...
Enforcing Policies in Pervasive Environments (2004)
Vlad Korolev, Lalana Kagal, Anupam Joshi
This paper presents an architecture and a proof of concept implementation of a security infrastructure for mobile devices in an infrastructure based pervasive environment. The security infrastructure...
Intelligent Agents Meet the Semantic Web (2004)
Anupam Joshi, Lalana Kagal, Filip Perich, Dipanjan Chakraborty, In Smart Spaces
A new smart meeting room system called EasyMeeting explores the use of multiagent systems, Semantic Web ontologies, reasoning, and declarative policies for security and privacy. Building on an...
Using Peer-to-Peer Data Routing for Infrastructure-Based Wireless Networks (2003)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. Wireless...
A policy language for a pervasive computing environment (2003)
Lalana Kagal, Tim Finin, Anupam Joshi
In this paper we describe a policy language designed for pervasive computing applications that is based on deontic concepts and grounded in a semantic language. The pervasive computing environments...
NeighborhoodConsistent Transaction Management for Pervasive Computing Environments (2003)
Filip Perich, Anupam Joshi, Yelena Yesha, Timothy Finin
Abstract. This paper examines the problem of transaction management in pervasive computing environments and presents a new approach to address them. We represent each entity as a mobile or static...
PatientService : Electronic Patient Record Redaction and Delivery in Pervasive Environments (2003)
Amit Choudhri, Lalana Kagal, Anupam Joshi, Timothy Finin, Yelena Yesha
Abstract- E – healthcare today is moving away from the tethered domain and becoming diffused into an environment rich with portable digital devices. In this evolving environment, the need to...
An Ontology for Context-Aware Pervasive Computing Environments (2003)
Harry Chen, Tim Finin, Anupam Joshi
Ontologies are a key component for building open and dynamic distributed pervasive computing systems in which agents and devices share contextual information. We describe our use of the Web Ontology...
A Secure Infrastructure for Service Discovery and Access (2003)
Jeffrey Undercoffer, Filip Perich, Andrei Cedilnik, Lalana Kagal, Anupam Joshi
Security is paramount to the success of pervasive computing environments. The system presented in this paper provides a communications and security infrastructure that goes far in advancing the goal...
Using Peer-to-Peer Data Routing for Infrastructure-Based Wireless Networks (2003)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Yelena Yesha
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. Wireless...
An Ontology for Context-Aware Pervasive Computing Environments (2003)
Harry Chen, Tim Finin, Anupam Joshi
This document describes COBRA-ONT an ontology for supporting pervasive context-aware systems. COBRA-ONT, expressed in the Web Ontology Language OWL, is a collection of ontologies for describing...
Using Peer-to-Peer Data Routing for Infrastructure-Based Wireless Networks (2003)
Sethuram Balaji Kodeswaran, Olga Ratsimor, Anupam Joshi, Tim Finin, Computer Science, ...
Secure sensor networks for perimeter protection (2003)
Sasikanth Avancha, Jeffrey Undercoffer, Anupam Joshi, John Pinkston
Sensor networks have been identified as being useful in a variety of domains to include the battlefield and perimeter defense. We motivate the security problems that sensor networks face by...
Modeling Computer Attacks: An Ontology for Intrusion Detection (2003)
Jeffrey Undercoffer, Anupam Joshi, John Pinkston
Abstract. We state the benefits of transitioning from taxonomies to ontologies and ontology specification languages, which are able to simultaneously serve as recognition, reporting and correlation...
eNcentive: A Framework for Intelligent Marketing in Mobile Peer-To-Peer Environments (2003)
Olga Ratsimor, Tim Finin, Anupam Joshi, Yelena Yesha
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being developed...
An Ontology for Context-Aware Pervasive Computing Environments (2003)
Harry Chen, Tim Finin, Anupam Joshi
This document describes COBRA-ONT an ontology for supporting pervasive context-aware systems. COBRA-ONT, expressed in the Web Ontology Language OWL, is a collection of ontologies for describing...
eNcentive: A Framework for Intelligent Marketing in Mobile Peer-to-Peer Environments (2003)
Olga Ratsimor, Tim Finin, Anupam Joshi, Yelena Yesha
In recent years, the growth of Mobile Computing, Electronic Commerce and Mobile Electronic Commerce has created a new concept of Mobile Electronic Marketing. New marketing models are being developed...
A personal agent application for the semantic web (2002)
Subhash Kumar, Anugeetha Kunjithapatham, Mithun Sheshagiri, Tim Finin, Anupam Joshi, Yun Peng, ...
The Semantic Web is a vision to simplify and improve knowledge reuse on the Web. It is all set to alter the way humans benefit from the web from active interaction to somewhat passive utilization...
A personal agent application for the semantic web (2002)
Subhash Kumar, Anugeetha Kunjithapatham, Mithun Sheshagiri, Tim Finin, Anupam Joshi, Yun Peng, ...
The Semantic Web is a vision to simplify and improve knowledge reuse on the Web. It is all set to alter the way humans benefit from the web from active interaction to somewhat passive utilization...
Profile driven data management for pervasive environments (2002)
Filip Perich, Sasikanth Avancha, Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha
Abstract. The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data...
Ittalks: A case study in the semantic web and daml (2002)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Harry Chen, ...
Effective use of the vast quantity of information now available on the web will require the use of “semantic web” markup languages such as the DARPA Agents Markup Language (DAML). Such languages...
A personal agent application for the semantic web (2002)
Subhash Kumar, Anugeetha Kunjithapatham, Mithun Sheshagiri, Tim Finin, Anupam Joshi, Yun Peng, ...
The Semantic Web is a vision to simplify and improve knowledge reuse on the Web. It is all set to alter the way humans benefit from the web from active interaction to somewhat passive utilization...
Olga Ratsimor, Sethuram Balaji Kodeswaran, Anupam Joshi, Tim Finin, Yelena Yesha
A mobile ad-hoc network is an autonomous system of mobile routers that are self-organizing and completely decentralized with no requirements for dedicated infrastructure support. However, such...
Ittalks: A case study in the semantic web and daml (2002)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
Abstract. Effective use of the vast quantity of information now available on the web will require the use of “Semantic Web ” markup languages such as the DARPA Agent Markup Language (DAML). Such...
Ittalks: A case study in the semantic web and daml (2002)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
Abstract. Effective use of the vast quantity of information now available on the web will require the use of “Semantic Web ” markup languages such as the DARPA Agent Markup Language (DAML). Such...
Middleware for Mobile Information Access (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
Mobile information access involves retrieving information from wired service providers. Often there are situations where the information is not available from a single service provider but can be...
Ittalks: A case study in the semantic web and daml (2002)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
Abstract. Effective use of the vast quantity of information now available on the web will require the use of “Semantic Web ” markup languages such as the DARPA Agent Markup Language (DAML). Such...
A Reactive Service Composition Architecture for Pervasive Computing Environments (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
Technological advances in semiconductor processing and design as well as wireless networking are leading us towards the vision of Pervasive Computing. We envision that in the (near) future, devices...
GSD: A novel group-based service discovery protocol for MANETS (2002)
Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
Abstract — This paper proposes a novel distributed service discovery protocol for Mobile Ad hoc Networks. The protocol is based on the concept of peer-to-peer caching of service advertisements and...
Profile driven data management for pervasive environments (2002)
Filip Perich, Sasikanth Avancha, Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha
Abstract. The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data...
Middleware for Mobile Information Access (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin, Yelena Yesha
Mobile information access involves retrieving information from wired service providers. Often there are situations where the information is not available from a single service provider but can be...
Allia: Alliance-based Service Discovery for Ad-Hoc Environments (2002)
Olga Ratsimor, Dipanjan Chakraborty, Anupam Joshi, Timothy Finin
Static directory based service discovery is unsuitable for mcommerce in ad-hoc environments. In this paper, we present Allia: a peer-to-peer caching based and policy-driven agentservice discovery...
Ittalks: A case study in the semantic web and daml (2002)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
Abstract. Effective use of the vast quantity of information now available on the web will require the use of “Semantic Web ” markup languages such as the DARPA Agent Markup Language (DAML). Such...
Ittalks: A case study in the semantic web and daml (2002)
R. Scott Cost, Tim Finin, Anupam Joshi, Yun Peng, Charles Nicholas, Ian Soboroff, ...
Abstract. Effective use of the vast quantity of information now available on the web will require the use of "Semantic Web " markup languages such as the DARPA Agent Markup Language...
Retriever Improving Web, Anupam Joshi, Zhihua Jiang
this paper, we describe a system to cluster search engine results based on a robust relational fuzzy clustering algorithm that we have recently developed. We compare the use of the Vector Space based...
Agents, trust, and information access on the semantic web (2002)
Information systems are becoming increasingly important and ubiquitous in our lives-- for organizations, professionals, individuals and families. The process began with large centralized computers...
Agents, trust, and information access on the semantic web (2002)
Information systems are becoming increasingly important and ubiquitous in our lives-- for organizations, professionals, individuals and families. The process began with large centralized computers...
Profile driven data management for pervasive environments (2002)
Filip Perich, Sasikanth Avancha, Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha
Abstract. The past few years have seen significant work in mobile data management, typically based on the client/proxy/server model. Mobile/wireless devices are treated as clients that are data...
Security for Sensor Networks (2002)
Jeffery Undercoffer, Sasikanth Avancha, Anupam Joshi, John Pinkston
Sensor networks have been identified as being useful in a variety of domains to include the battlefield and perimeter defense. We motivate the security problems that sensor networks face by...
A Reactive Service Composition Architecture for Pervasive Computing Environments (2002)
Dipanjan Chakraborty, Filip Perich, Anupam Joshi, Timothy Finin
Abstract Development of customized services by integrating and executing existing ones (refered to as service composition) has received a lot of attention in the last few years with respect to wired,...
GSD: A novel group-based service discovery protocol for MANETS (2002)
Dipanjan Chakraborty, Anupam Joshi, Yelena Yesha, Tim Finin
Abstract — This paper proposes a novel distributed service discovery protocol for Mobile Ad hoc Networks. The protocol is based on the concept of peer-to-peer caching of service advertisements and...
A personal agent application for the semantic web (2002)
Subhash Kumar, Anugeetha Kunjithapatham, Mithun Sheshagiri, Tim Finin, Anupam Joshi, Yun Peng, ...
The Semantic Web is a vision to simplify and improve knowledge reuse on the Web. It is all set to alter the way humans benefit from the web from active interaction to somewhat passive utilization...
Low-complexity fuzzy relational clustering algorithms for web mining (2001)
Raghu Krishnapuram, Senior Member, Anupam Joshi, Olfa Nasraoui, Liyu Yi
Abstract—This paper presents new algorithms—fuzzy cmedoids (FCMdd) and robust fuzzy c-medoids (RFCMdd)—for fuzzy clustering of relational data. The objective functions are based on selecting c...
Centaurus: A Framework for Intelligent Services in a Mobile Environment (2001)
Lalana Kagal, Vlad Korolev, Harry Chen, Anupam Joshi, Timothy Finin
In an age where wirelessly networked appliances and devices are becoming commonplace, there is a necessity for connecting them to work together for a mobile user. The design outlined in this paper...
Dynamic Service Composition: State-of-the-Art and Research Directions (2001)
Dipanjan Chakraborty, Anupam Joshi
Service Composition refers to creation of complex e-services with the help of smaller, simpler, easily executable lightweight e-services or components. In essence, it is much similar to...
Centaurus: A Framework for Intelligent Services in a Mobile Environment (2001)
Lalana Kagal, Vlad Korolev, Harry Chen, Anupam Joshi, Timothy Finin
In an age where wirelessly networked appliances and devices are becoming commonplace, there is a necessity for connecting them to work together for a mobile user. The design outlined in this paper...
A Secure Infrastructure for Service Discovery and Access in Pervasive Computing (2001)
Andrej Cedilnik, Lalana Kagal, Filip Perich, Jeffrey Undercoffer, Anupam Joshi
Security is paramount to the success of pervasive computing environments. The system presented in this paper provides a communications and security infrastructure that goes far in advancing the goal...
K.: Query Routing and Processing in Mobile Ad-hoc Environments (2001)
Filip Perich, Sasikanth Avancha, Anupam Joshi, Yelena Yesha, Karuna Joshi
In existing mobile information access systems, mobile devices are typically viewed as consumers of information, with information providers resident on the wired network. With the advent of...
Vigil : Providing trust for enhanced security in pervasive systems (2001)
Lalana Kagal, Jeffrey Undercoffer, Filip Perich, Anupam Joshi, Tim Finin, Yelena Yesha
Computing today is moving away from the desktop, becoming diffused into our surroundings and onto our personal digital devices. Moreover, ad-hoc networks such as Bluetooth provide for spontaneous...
Enhancing the Bluetooth Service Discovery Protocol (2001)
Sasikanth Avancha, Anupam Joshi, Timothy Finin
Bluetooth Service Discovery Protocol (SDP) enables a client application on a device to discover information about services on other Bluetooth devices. Every service is represented by a profile,...
Lalana Kagal, Vladimir Korolev, Sasikanth Avancha, Anupam Joshi, Timothy Finin, Yelena Yesha
In an age where wirelessly networked appliances and devices are becoming commonplace, there is a necessity for providing a standard interface to them that is easily accessible by any mobile user. The...
Dreggie: Semantic service discovery for m-commerce applications (2001)
Dipanjan Chakraborty, Filip Perich, Sasikanth Avancha, Anupam Joshi
The emergence of mobile devices and wireless networks has created a new path in the field of e-commerce: “mcommerce”. Significant research is needed, in the field of service discovery, to support...
Dynamic service discovery for mobile computing: Intelligent agents meet Jini in the aether (2001)
Harry Chen, Anupam Joshi, Timothy Finin
The emergence of ad-hoc pervasive connectivity for devices based on Bluetooth-like systems provides a new way to create applications for mobile systems. We propose to realize ubiquitous computing...
Network Servers for Multidisciplinary Problem Solving (2001)
Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis, John R. Rice, Tzvetan T. Drashansky, Shahani Markus
The evolution of the Internet into the Global Information Infrastructure (GII) is impacting many institutions of life in general, and, the way we view computing in particular. This future...
Low-Complexity Fuzzy Relational Clustering Algorithms for Web Mining (2001)
Raghu Krishnapuram, Anupam Joshi, Olfa Nasraoui, Liyu Yi
Web site. The abstracts correspond to 10 topics (distance education, lament, health care, intermetallic, laminate, nuclear, aeronautics, plastic, trade, furnace, and recycling). There are about 100...
ITTALKS: An application of agents in the semantic web (2001)
Filip Perich, Lalana Kagal, Harry Chen, Sovrin Tolia, Youyong Zou, Tim Finin, ...
Abstract. Effective use of the vast quantity of information now available on the web will require the use of “Semantic Web ” markup languages such as the DARPA Agent Markup Language (DAML). Such...
On mining Web Access Logs (2000)
Anupam Joshi, Karuna Joshi, Raghu Krishnapuram
The proliferation of information on the world wide web has made the personalization of this information space a necessity. One possible approach to web personalization is to mine typical user...
On creating adaptive web servers using weblog mining (2000)
Tapan Kamdar, Anupam Joshi, Tapan Kamdar, Anupam Joshi
Personalization of content returned from a web site is an important problem in general, and affects e-commerce and e-services in particular. Targeting appropriate information or products to the end...
Service discovery in the future electronic market (2000)
Harry Chen, Dipanjan Chakraborty, Liang Xu, Anupam Joshi, Tim Finin
The trend the electronic market is taking, aided by the concommitant development of mobile devices suggest a major change from the way electronic commerce is done today. The increased use of PDAs,...
On proxy agents, mobility, and web access (2000)
With the emerging need for ubiquitous access to information, web access from mobile clients is gaining increasing importance. Unfortunately, the underlying protocols of the Web are not designed to...
On mining Web Access Logs (2000)
Anupam Joshi, Raghu Krishnapuram
The proliferation of information on the world wide web has made the personalization of this information space a necessity. One possible approach to web personalization is to mine typical user...
On creating adaptive web servers using weblog mining (2000)
Tapan Kamdar, Tapan Kamdar, Anupam Joshi, Anupam Joshi
Personalization of content returned from a web site is an important problem in general, and affects e-commerce and e-services in particular. Targeting appropriate information or products to the end...
Service discovery in the future electronic market (2000)
Harry Chen, Dipanjan Chakraborty, Liang Xu, Anupam Joshi, Tim Finin
The trend the electronic market is taking, aided by the concommitant development of mobile devices suggest a major change from the way electronic commerce is done today. The increased use of PDAs,...
A Component based Architecture for Mobile Information Access (2000)
Chaitanya Pullela, Chaitanya Pullela, Liang Xu, Liang Xu, Dipanjan Chakraborty, Dipanjan Chakraborty, ...
Implicit in today's mobile information access scenarios is the assumption that the information required by the mobile host is readily available on the network and it's location is \known...
Abstract. The ability to access networked resources, both computational and information, from mobile clients will become increasingly importance in the emerging pervasive computing scenario. There is...
On proxy agents, mobility, and web access (2000)
With the emerging need for ubiquitous (anytime, anywhere) access to information, web access from mobile clients is gaining increasing importance. Unfortunately, the underlying protocols of the Web...
On Mining Web Access Logs (2000)
Anupam Joshi, Karuna Joshi, Raghu Krishnapuram
The proliferation of information on the world wide web has made the personalization of this information space a necessity. One possible approach to web personalization is to mine typical user...
Relational clustering based on a new robust estimator with application to web mining (1999)
Olfa Nasraoui, Raghu Krishnapuram, Anupam Joshi
Mining typical user profiles and URL associations from the vast amount of access logs is an important component of Web personalization. In this paper, we define the notion of a “user session ” as...
Raghu Krishnapuram, Anupam Joshi, Liyu Yi
This paper presents new algorithms (Fuzzy c-Medoids FCMdd and Fuzzy c Trimmed Medoids or FCTMdd) for fuzzy clustering of relational data. The objective functions are based on selecting c...
Mining Web Access Logs Using Relational Competitive Fuzzy Clustering (1999)
Olfa Nasraoui, Hichem Frigui, Anupam Joshi, Raghu Krishnapuram
The proliferation of information on the World-Wide Web has made the personalization of this information space a necessity. An important part of Web personalization is to mine typical user profiles...
An active transcoding proxy to support mobile web access (1998)
Harini Bharadvaj, Anupam Joshi, Sansanee Auephanwiriyakul
In this paper, we present a proxy based system (MOWSER) to support web browsing from mobile clients over wireless networks. Mowser is a proxy agent between the mobile host and the web server, which...
Robust Fuzzy Clustering Methods to Support Web Mining (1998)
Anupam Joshi, Raghu Krishnapuram
this paper is to describe some of the challenges of web mining, point out why existing techniques of data mining may be inadequate, outline a possible direction for research, and present our...
On Fuzzy Clustering and Content Based Access to Networked Video Databases (1998)
Anupam Joshi, Sansanee Auephanwiriyakul, Raghu Krishnapuram
Video Databases and video on demand represent an important application of the evolving Global Information Infrastructure. However, video querying involves a lot of user interaction and feedback based...
Sasikanth Avancha, Anupam Joshi
RESEARCH INTERESTS Wireless networking, mobile computing and pervasive computing with emphasis on sensor networks, network security, service discovery and management, routing and transport protocols.
A multiagent environment for MPSEs (1997)
Tzvetan T. Drashansky, Anupam Joshi, John R. Rice, Elias N. Houstis, Sanjiva Weerawarana
In this paper we present a paradigm for simulating complex phenomena which may involve multiple physical phenomena and complicated geometry. The computational structure is of cooperating agents and...
Multidisciplinary Problem Solving using Agents in a Cluster Environment (1997)
Tzvetan Drashansky Anupam, Anupam Joshi, John R. Rice
Introduction to MPSEs Computational modeling in the (near) future will operate at the scale of entire physical systems. These systems will have many components that have different shapes, obey...
On Disconnected Browsing of Distributed Information (1997)
Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis
The software and protocols associated with information browsing systems are largely designed with static access points and wired networks in mind, HTTP and the Web are a case in point. Static hosts...
Neuro-Fuzzy Approaches to Collaborative Scientific Computing (1997)
N. Ramakrishnan, Anupam Joshi, Elias N. Houstis, John R. Rice
Rapid advances in High Performance Computing (HPC) and the Internet are heralding a paradigm shift to network-- based scientific software servers, libraries, repositories and problem solving...
Anupam Joshi, Narendran Ramakrishnan, Elias N. Houstis, John R. Rice
In this paper, we propose two new neuro--fuzzy schemes, one for classification and one for clustering problems. The classification scheme is based on Simpson's Fuzzy Min Max method, and relaxes...
Multi-Agent Simulation of Complex Heterogeneous Models in Scientific Computing (1997)
Anupam Joshi, Tzvetan Drashansky, John Rice, Sanjiva Weerawarana, Elias Houstis
Electronic prototyping is becoming a part of every scientific inquiry and product design, and is the focus of research in the new scientific field of Computational Science and Engineering. The new...
To Learn or Not to Learn (1996)
Multiagent systems in which agents interact with each other are now being proposed as a solution to many problems which can be grouped together under the "distributed problem solving "...
//ELLPACK: A Networked Computing Service on the World Wide Web (1996)
Sanjiva Weerawarana, Elias N. Houstis, John R. Rice, Margaret G. Gaitatzes, Shahani Markus, Anupam Joshi
This paper describes the //ELLPACK networked computing service that we have made available through the World Wide Web. //ELLPACK is a problem solving environment
Web Intelligent Query - Disconnected Web Browsing using Cooperative Techniques (1996)
Ramanathan Kavasseri, Todd Keating, Mike Wittman, Anupam Joshi, Sanjiva Weerawarana
Mobile computers operate in constantly changing network environments. It is possible for a mobile computer to become temporarily "disconnected" from a network when it changes base stations...
A Neuro-Fuzzy Approach to Agglomerative Clustering (1996)
Anupam Joshi, Narendran Ramakrishnan, John R. Rice, Elias N. Houstis
In this paper, we introduce a new agglomerative clustering algorithm in which each pattern cluster is represented by a collection of fuzzy hyperboxes. Initially, a number of such hyperboxes are...
On Learning and Adaptation in Multiagent Systems: A Scientific Computing Perspective (1995)
Anupam Joshi, Tzvetan Drashansky, John Rice, Sanjiva Weerawarana, Elias Houstis
Systems with interacting agents are now being proposed to solve many problems grouped together under the "distributed problem solving " umbrella. For such systems to work properly,...
Neuro-Fuzzy Systems for Intelligent Scientific Computation (1995)
Narendran Ramakrishnan, Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis, John R. Rice
Intelligence has been envisioned as a key component of future problem solving environments for scientific computing. This paper describes a computationally intelligent approach to address a major...
Neural and Neuro-Fuzzy Approaches to Support "Intelligent" Scientific Problem Solving (1995)
Anupam Joshi, Sanjiva Weerawarana, Narendran Ramakrishnan, Elias N. Houstis, John R. Rice
Scientific computing uses computers, especially High Performance Computing (HPC) systems, to solve complex mathematical equations which model physical phenomena. Using these systems now requires...
Sciencepad: An intelligent electronic notepad for ubiquitous scientific computing (1995)
Anupam Joshi, Sanjiva Weerawarana, Tzvetan T. Drashansky, Elias N. Houstis
The National Information Infrastructure (NII) that will evolve in the 1990's and beyond will impact many institutions of life. These include the way we learn and do science, self-caring, access...
Software Architecture of Ubiquitous Scientific Computing Environments for Mobile Platforms (1995)
Tzvetan T. Drashansky, Sanjiva Weerawarana, Anupam Joshi, Ranjeewa A. Weerasinghe, Elias N. Houstis
Recent and anticipated technological advances in wireless computing will permit scientists and engineers to do experimental and computational modeling "anywhere" and "any time."...
SciAgents - An Agent Based Environment for Distributed, Cooperative Scientific Computing (1995)
Tzvetan T. Drashansky, Anupam Joshi, John R. Rice
Problem solving using complex mathematical models of the physical phenomena requires expert knowledge in a variety of fields of computer science, such as parallel computing and numerical methods....
A Survey of Mobile Computing Technologies and Applications (1995)
Anupam Joshi, Sanjiva Weerawarana, Ranjeewa A. Weerasinghe, Tzvetan T. Drashansky, Narendran Ramakrishnan, Elias N. Houstis
This document presents the results of a survey we did on mobile computing technologies and applications. Based on the results of this survey, we identify major academic and non--academic research...
Software Architecture of Ubiquitous Scientific Computing Environments for Mobile Platforms (1995)
Tzvetan T. Drashansky, Sanjiva Weerawarana, Anupam Joshi, Ranjeewa A. Weerasinghe, Elias N. Houstis
Recent and anticipated technological advances in wireless computing will permit users to compute ubiquitously, "anywhere" and "any time." However, mobile platforms are unlikely to...
PYTHIA: A Knowledge Based System for Intelligent Scientific Computing (1995)
Sanjiva Weerawarana, Elias N. Houstis, John R. Rice, Anupam Joshi, Catherine E. Houstis
Domain specific Problem Solving Environments (PSEs) are the key new ingredients that will aid in the widespread use of Computational Science & Engineering (CS&E) systems. Each PSE consists of...
Place of Birth: Kolkata. India (1976)
Name Of C, Idate Dipanjan Chakraborty, Dr. Anupam Joshi
Collegiate institutions attended:
Place of Birth: Chennai, India. (1972)
Name Of C, Idate Sasikanth Avancha, Anupam Joshi
Major: Computer Science. Professional publications:
Multiagent Systems ON THE NET. (0000)
The article presents a cohesive, broad picture of the work in industry and academia regarding techniques and methodologies for building multiagent systems, as well as descriptions and experience...
Multiagent Systems ON THE NET.
The article presents a cohesive, broad picture of the work in industry and academia regarding techniques and methodologies for building multiagent systems, as well as descriptions and experience...
Mining Web Access Logs Using Relational Competitive Fuzzy Clustering
Olfa Nasraoui, Hichem Frigui, Anupam Joshi, Raghu Krishnapuram
The proliferation of information on the world wide web has made the personalization of this information space a necessity. An important component of web personalization is to mine typical user...
Retriever: Improving Web Search Engine Results Using Clustering
Zhihua Jiang, Anupam Joshi, Raghu Krishnapuram, Liyu Yi
Web search engines have become increasingly ineective as the number of documents on the web have proliferated. Typical queries retrieve hundreds of documents, most of which have no relation with what...
The Use of Neural Networks to Support "Intelligent" Scientific Computing
Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis
In this paper we report on the use of backpropagation based neural networks to implement a phase of the computational intelligence process of the PYTHIA[3] expert system for supporting the numerical...
The Use of Neural Networks to Support "Intelligent" Scientific Computing
Anupam Joshi, Sanjiva Weerawarana, Elias N. Houstis
In this paper we report on the use of backpropagation based neural networks to implement a phase of the computational intelligence process of the PYTHIA[3] expert system for supporting the numerical...
PYTHIA: A Knowledge Based System to Select Scientific Algorithms
Sanjiva Weerawarana, Elias N. Houstis, John R. Rice, Anupam Joshi, Catherine Houstis
Problem Solving Environments (PSEs) interact with the user in a language "natural " to the associated discipline, and provide a high level abstraction of the underlying, computationally...
Mining Web Access Logs Using Relational Competitive Fuzzy Clustering
Olfa Nasraoui, Hichem Frigui, Anupam Joshi, Raghu Krishnapuram
The proliferation of information on the world wide web has made the personalization of this information space a necessity. An important component of web personalization is to mine typical user...