Tree Indexing on Flash Disks (2009)
Yinan Li, Bingsheng He, Qiong Luo, Ke Yi
Abstract — Large flash disks have become an attractive alternative to magnetic hard disks, due to their high random read performance, low energy consumption and other features. However, writes,...
Bingsheng He, Qiong Luo, Byron Choi
Abstract—We consider adaptive index utilization as a fine-grained problem in autonomic databases in which an existing index is dynamically determined to be used or not in query processing. As a...
Qiong Luo, Jeffrey F. Naughton, Wenwei Xue, J. F. Naughton
Abstract Web caching proxy servers are essential for improving web performance and scalability, and recent research has focused on making proxy caching work for database-backed web sites. In this...
Online Mining in Sensor Networks* (2009)
Xiuli Ma, Dongqing Yang, Shiwei Tang, Qiong Luo, Dehui Zhang, Shuangfeng Li
Abstract. Online mining in large sensor networks just starts to attract interest. Finding patterns in such an environment is both compelling and challenging. The goal of this position paper is to...
Cache-Oblivious Databases: Limitations and Opportunities 1 (2009)
Cache-oblivious techniques, proposed in the theory community, have optimal asymptotic bounds on the amount of data transferred between any two adjacent levels of an arbitrary memory hierarchy....
Industrial SponsorsFOREWARD Objective (2009)
Qiong Luo, Kenneth A. Ross, Peter Boncz, Shimin Chen, Goetz Graefe, Stavros Harizopoulos, ...
The aim of this one-day workshop is to bring together researchers who are interested in optimizing database performance on modern computing infrastructure by designing new data management techniques...
Browsing on Small Displays by Transforming Web Pages into Hierarchically Structured Sub-Pages (2009)
Xiangye Xiao, Qiong Luo, Dan Hong, Hongbo Fu, Xing Xie, Wei-ying Ma
We propose a new web page transformation method to facilitate web browsing on handheld devices such as Personal Digital Assistants (PDAs). In our approach, an original web page that does not fit on...
Xin Xin, Juanzi Li, Jie Tang, Qiong Luo
We address the problem of academic conference homepage understanding for the Semantic Web. This problem consists of three labeling tasks- labeling conference function pages, function blocks, and...
Middle-tier database caching for e-business (2009)
Qiong Luo, Sailesh Krishnamurthy, C. Mohan, Hamid Pirahesh, Honguk Woo, Bruce G. Lindsay, ...
Scaling up to the enormous and growing Internet population with unpredictable usage patterns, E-commerce applications face severe challenges in cost and manageability, especially for database servers...
Bingsheng He, Qiong Luo, Byron Choi
We consider adaptive index utilization as a fine-grained problem in autonomic databases, in which an existing index is dynamically determined to be used or not in query processing. As a special case,...
The HKUST Frog Pond- A Case Study of Sensory Data Analysis (2008)
Wenwei Xue, Bingsheng He, Hejun Wu, Qiong Luo
Abstract. Many sensor network applications are data-centric, and data analysis plays an important role in these applications. However, it is a challenging task to find out what specific problems and...
Semantic Sensor Net: An Extensible Framework (2008)
Lionel M. Ni, Yanmin Zhu, Jian Ma, Minglu Li, Qiong Luo, Yunhao Liu, ...
Abstract. Existing approaches for sensor networks suffer from a number of critical drawbacks. First, homogeneous deployments have been commonly assumed, but in practice multiple deployments of sensor...
Bingsheng He, Yinan Li, Qiong Luo, Dongqing Yang
We propose a general framework for improving the query processing performance on multi-level memory hierarchies. Our motivation is that (1) the memory hierarchy is an important performance factor for...
Systems Support for Pervasive Query Processing (2008)
Wenwei Xue, Qiong Luo, Lionel M. Ni
Database queries, in particular, event-driven continuous queries, are useful for many pervasive computing applications, such as video surveillance. In order to enable these applications, we have...
Rank: top 2 % of the students Publications (2008)
Tower A D, Current Cga A, Wenwei Xue, Qiong Luo, Lei Chen, Yunhao Liu, ...
An experienced computer science researcher in an academic university or industry research lab Sensor Networks, Pervasive Computing, Proxy Caching, Benchmark. The focus of my current research is...
Adaptive Holistic Scheduling for In-Network Sensor Query Processing (2008)
We observe two problems in the current scheduling schemes for in-network sensor query processing: (1) A query execution plan never changes after it is injected into the network and (2) the data...
ABSTRACT Middle-Tier Database Caching for e-Business * (2008)
Qiong Luo, Sailesh Krishnamurthy, C. Mohan, Hamid Pirahesh, Honguk Woo, Bruce G. Lindsay, ...
While scaling up to the enormous and growing Internet population with unpredictable usage patterns, E-commerce applications face severe challenges in cost and manageability, especially for database...
Mars: A MapReduce Framework on Graphics Processors (2008)
Bingsheng He, Wenbin Fang, Naga K. Govindaraju, Qiong Luo, Tuyong Wang
We design and implement Mars, a MapReduce framework, on graphics processors (GPUs). MapReduce is a distributed programming framework originally proposed by Google for the ease of development of web...
Collaboratively Querying Sensor Networks through Handheld Devices (2008)
We envision that in some wireless sensor network applications, such as environmental monitoring, assisted living, and industrial control, handheld devices will be used from time to time to query the...
Bingsheng He, Yinan Li, Qiong Luo, Dongqing Yang
We propose a general framework for improving the query processing performance on multi-level memory hierarchies. Our motivation is that (1) the memory hierarchy is an important performance factor for...
Supporting Ranked Search in Parallel Search Cluster Networks (2008)
Fang Xiong, Qiong Luo, Dyce Jing Zhao
Recent work by Cooper et al. proposed the Parallel Search Cluster Network (PSCN) as an efficient P2P network overlay. Organized in clusters, a PSCN allows peers within one cluster to share query...
ABSTRACT Middle-Tier Database Caching for e-Business * (2008)
Qiong Luo, Sailesh Krishnamurthy, Honguk Woo Θ, C. Mohan, Hamid Pirahesh
While scaling up to the enormous and growing Internet population with unpredictable usage patterns, E-commerce applications face severe challenges in cost and manageability, especially for database...
A Comparative Study on Classifying the Functions of Web Page Blocks ABSTRACT (2008)
In this paper, we study the problem of learning block classification models to estimate block functions. We distinguish general models, which are learned across multiple sites, and site-specific...
In-Memory Grid Files on Graphics Processors (2008)
Ke Yang, Bingsheng He, Rui Fang, Mian Lu, Naga Govindaraju, Qiong Luo, ...
Recently, graphics processing units, or GPUs, have become a viable alternative as commodity, parallel hardware for generalpurpose computing, due to their massive data-parallelism, high memory...
Juanzi Li, Jie Tang, Jing Zhang, Qiong Luo, Yunhao Liu, Mingcai Hong
In this paper, we present the design and implementation of our expertise oriented search system, EOS
Information Retrieval in a Peer-to-Peer Environment (2008)
Dik Lun, Lee Dyce, Jing Zhao, Qiong Luo
Due to rapid information growth, peer-to-peer (P2P) systems have become a promising alternative to centralized, client/server-based approaches for large-scale data sharing. By allowing peers to join...
A Meta-Search Method with Clustering and Term Correlation (2008)
Dyce Jing, Zhao Dik, Lun Lee, Qiong Luo
Abstract. A meta-search engine propagates user queries to its participant search engines following a server selection strategy. To facilitate server selection, the meta-search engine must keep...
Action-Oriented Query Processing for Pervasive Computing (2008)
Pervasive computing applications monitor physical-world phenomena and integrate data acquisition, communication and actions across small, heterogeneous devices (e.g., smart sensors, network cameras...
Interviewing During a Tight Job Market (2008)
Contributions Qiong Luo, Zachary G. Ives, Qiong Luo
The following collection of articles aims to provide a sequel to Ugur Cetintemel’s December 2001 interviewing advice article, with specific tips for times when the economy is in recession. The...
Shunji Furukuma, Takeshi Onuma, Penny Swanson, Qiong Luo, Nobuhisa Koide, Houji Okada, ...
Insulin-like growth factor-I (IGF-I) has been shown to be involved in pubertal activation of gonadot-ropin (GTH) secretion. The aim of this study was to determine if IGF-I directly stimulates...
Cache-oblivious databases : limitations and opportunities (2008)
Cache-oblivious techniques, proposed in the theory community, have optimal asymptotic bounds on the amount of data transferred between any two adjacent levels of an arbitrary memory hierarchy....
Relational joins on graphics processors (2008)
He, Bingsheng, Yang, Ke, Fang, Rui, Lu, Mian, Govindaraju, Naga K., Luo, Qiong, ...
We present a novel design and implementation of relational join algorithms for new-generation graphics processing units (GPUs). The most recent GPU features include support for writing to random...
Relational joins on graphics processors (2008)
Bingsheng He, Ke Yang, Rui Fang, Mian Lu, Naga K. Govindaraju, Qiong Luo, ...
We present a novel design and implementation of relational join algorithms for new-generation graphics processing units (GPUs). The most recent GPU features include support for writing to random...
Qiong Luo, K. Selçuk, Wei-kuang Wayne, Huang Yusuf Akça, Divyakant Agrawal, ...
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Wu, Yan-Ting, Tang, Li, Cai, Jie, Lu, Xiu-E, Xu, Jian, Zhu, Xiao-Ming, ...
BACKGROUND Bone morphogenetic protein-15 (BMP-15) has been shown to influence oocyte maturation and quality. However, no relationship has been established between BMP-15 and oocyte quality/embryonic...
Efficient gather and scatter operations on graphics processors (2007)
He, Bingsheng, Govindaraju, Naga K., Luo, Qiong, Smith, Burton
Gather and scatter are two fundamental data-parallel operations, where a large number of data items are read (gathered) from or are written (scattered) to given locations. In this paper, we study...
Relational joins on graphics processors (2007)
Bingsheng He, Ke Yang, Rui Fang, Mian Lu, Naga Govindaraju, Qiong Luo, ...
We present our novel design and implementation of relational join algorithms for new-generation graphics processing units (GPUs). The new features of such GPUs include support for writes to random...
Gpuqp: query co-processing using graphics processors (2007)
Rui Fang, Bingsheng He, Mian Lu, Ke Yang, Naga K. Govindaraju, Qiong Luo, ...
We present GPUQP, a relational query engine that employs both CPUs and GPUs (Graphics Processing Units) for in-memory query co-processing. GPUs are commodity processors traditionally designed for...
Wu, Yan-Ting, Tang, Li, Cai, Jie, Lu, Xiu-E, Xu, Jian, Zhu, Xiao-Ming, ...
BACKGROUND Bone morphogenetic protein-15 (BMP-15) has been shown to influence oocyte maturation and quality. However, no relationship has been established between BMP-15 and oocyte quality/embryonic...
Wu, Yan-Ting, Tang, Li, Cai, Jie, Lu, Xiu-E, Xu, Jian, Zhu, Xiao-Ming, ...
BACKGROUND Bone morphogenetic protein-15 (BMP-15) has been shown to influence oocyte maturation and quality. However, no relationship has been established between BMP-15 and oocyte quality/embryonic...
Ando, Hironori, Luo, Qiong, Koide, Nobuhisa, Okada, Houji, Urano, Akihisa
Effects of insulin-like growth factor I (IGF-I) and salmon gonadotropin-releasing hormone (sGnRH) on expression of gonadotropin (GTH) subunit genes were examined using primary pituitary cell cultures...
Ando, Hironori, Luo, Qiong, Koide, Nobuhisa, Okada, Houji, Urano, Akihisa
Effects of insulin-like growth factor I (IGF-I) and salmon gonadotropin-releasing hormone (sGnRH) on expression of gonadotropin (GTH) subunit genes were examined using primary pituitary cell cultures...
Ando, Hironori, Luo, Qiong, Koide, Nobuhisa, Okada, Houji, Urano, Akihisa
Effects of insulin-like growth factor I (IGF-I) and salmon gonadotropin-releasing hormone (sGnRH) on expression of gonadotropin (GTH) subunit genes were examined using primary pituitary cell cultures...
DPTree : a distributed pattern tree index for partial-match queries in peer-to peer networks (2006)
Zhao, Dyce Jing, Lee, Dik Lun, Luo, Qiong
Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. They are essential for...
Form-based proxy caching for database-backed web sites : keywords and functions (2006)
Luo, Qiong, Naughton, Jeffrey F., Xue, Wenwei
Web caching proxy servers are essential for improving web performance and scalability, and recent research has focused on making proxy caching work for database-backed web sites. In this paper, we...
Contour Map Matching for Event Detection in Sensor Networks (2006)
Wenwei Xue, Qiong Luo, Lei Chen, Yunhao Liu
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detection mechanism based...
Distributed cross-layer scheduling for in-network sensor query processing (2006)
Hejun Wu, Qiong Luo, Wenwei Xue
In-network sensor query processing is a cross-layer design paradigm in which networked sensor nodes process data acquisitional queries in collaboration with one another. As power efficiency is still...
Distributed cross-layer scheduling for in-network sensor query processing (2006)
Hejun Wu, Qiong Luo, Wenwei Xue
In-network sensor query processing is a cross-layer design paradigm in which networked sensor nodes process data acquisitional queries in collaboration with one another. As power efficiency is still...
DPTree: A Distributed Pattern Tree Index for Partial-Match Queries in Peer-to-Peer Networks (2006)
Dyce Jing Zhao, Dik Lun Lee, Qiong Luo
Abstract. Partial-match queries return data items that contain a subset
Ruan, Heng-Chao, Zhu, Xiao-Ming, Luo, Qiong, Liu, Ai-Xia, Qian, Yu-Li, Zhou, Cai-Yun, ...
BACKGROUND: The impact of different ovarian stimulation (OS) protocols on endometrial receptivity remains controversial. In this study, the effects of different OS on the expression of endometrial...
Jin, Li, Zhu, Xiao-Ming, Luo, Qiong, Qian, Yuli, Jin, Fan, Huang, He-Feng
To investigate the association of single-nucleotide polymorphisms (SNPs) in exon 17 of the insulin receptor (INSR) gene with insulin resistance and INSR β-subunit expression in polycystic ovary...
Jin, Li, Zhu, Xiao-Ming, Luo, Qiong, Qian, Yuli, Jin, Fan, Huang, He-Feng
To investigate the association of single-nucleotide polymorphisms (SNPs) in exon 17 of the insulin receptor (INSR) gene with insulin resistance and INSR β-subunit expression in polycystic ovary...
Ruan, Heng-Chao, Zhu, Xiao-Ming, Luo, Qiong, Liu, Ai-Xia, Qian, Yu-Li, Zhou, Cai-Yun, ...
BACKGROUND: The impact of different ovarian stimulation (OS) protocols on endometrial receptivity remains controversial. In this study, the effects of different OS on the expression of endometrial...
DPTree: A Distributed Pattern Tree Index for Partial-Match Queries in Peer-to-Peer Networks (2006)
Dyce Jing Zhao, Dik Lun Lee, Qiong Luo
Abstract. Partial-match queries return data items that contain a subset
Ruan, Heng-Chao, Zhu, Xiao-Ming, Luo, Qiong, Liu, Ai-Xia, Qian, Yu-Li, Zhou, Cai-Yun, ...
BACKGROUND: The impact of different ovarian stimulation (OS) protocols on endometrial receptivity remains controversial. In this study, the effects of different OS on the expression of endometrial...
He-Feng Huang, Bo Wang, Xiao-Fu Yang, Qiong Luo, Jian-Zhong Sheng
In the present study the authors investigated if the inhibitory effect of leptin in the ovary was mediated via nitric oxide (NO) using human granulosa cells (GCs). Human GCs were obtained from...
Supporting Ranked Search in Parallel Search Cluster Networks (2005)
Fang Xiong, Qiong Luo, Dyce Jing Zhao
We investigate how to support ranked keyword search in a Parallel Search Cluster Network, which is a newly proposed peer-to-peer network overlay. In particular, we study how to efficiently acquire...
Cache-Conscious Automata for XML Filtering (2005)
Hardware cache behavior is an important factor in the performance of memory-resident, data-intensive systems such as XML filtering engines. A key data structure in several recent XML filters is the...
Cache-Conscious Automata for XML Filtering (2005)
Hardware cache behavior is an important factor in the performance of memory-resident, data-intensive systems such as XML filtering engines. A key data structure in several recent XML filters is the...
Slicing*-tree based web page transformation for small displays (2005)
Xiangye Xiao, Qiong Luo, Dan Hong, Hongbo Fu
We propose a new Web page transformation method for browsing on mobile devices with small displays. In our approach, an original web page that does not fit into the screen is transformed into a set...
Radicals Derived from Guanine: Structures and Energetics (2005)
Luo, Qiong, Li, Qian Shu, Xie, Yaoming, Schaefer, Henry F.
The electron affinities (EA) of five radicals derived from guanine by removing a hydrogen atom are predicted by using four carefully calibrated (Chem. Rev. 2002, 102, 231) density functional methods....
Cache-Conscious Automata for XML Filtering (2005)
Bingsheng He, Qiong Luo, Byron Choi
Abstract—Hardware cache behavior is an important factor in the performance of memory-resident, data-intensive systems such as XML filtering engines. A key data structure in several recent XML...
VMNet: Realistic Emulation of Wireless Sensor Networks (2005)
Hejun Wu, Student Member, Qiong Luo, Pei Zheng, Lionel M. Ni
Abstract—Many research activities on Wireless Sensor Networks (WSNs) need detailed performance statistics about protocols, systems, and applications; however, current simulation tools and testbeds...
A Meta-Search Method with Clustering and Term Correlation (2004)
Dyce Jing Zhao, Dik Lun Lee, Qiong Luo
Abstract. A meta-search engine propagates user queries to its participant search engines following a server selection strategy. To facilitate server selection, the meta-search engine must keep...
Template-based proxy caching for tablevalued functions (2004)
Abstract. Certain types of database-backed web sites heavily utilize userdefined functions in SQL queries. Unfortunately, existing web proxy caching schemes can not handle these functions. In order...
Template-based proxy caching for tablevalued functions (2004)
Abstract. Certain types of database-backed web sites heavily utilize userdefined functions in SQL queries. Unfortunately, existing web proxy caching schemes can not handle these functions. In order...
MEADOWS: modeling, emulation, and analysis of data of wireless sensor networks (2004)
Qiong Luo, Lionel M. Ni, Bingsheng He, Hejun Wu, Wenwei Xue
In this position paper, we present MEADOWS, a software framework that we are building at HKUST (The Hong Kong University of Science and Technology) for modeling, emulation, and analysis of data of...
Accurate Emulation of Wireless Sensor Networks (2004)
Hejun Wu, Qiong Luo, Pei Zheng, Bingsheng He, Lionel M. Ni
Abstract. Wireless sensor networks (WSNs) have a wide range of useful, datacentric applications, and major techniques involved in these applications include in-network query processing and...
Accurate Emulation of Wireless Sensor Networks (2004)
Hejun Wu, Qiong Luo, Pei Zheng, Bingsheng He, Lionel M. Ni
Abstract. Wireless sensor networks (WSNs) have a wide range of useful, datacentric applications, and major techniques involved in these applications include in-network query processing and...
Extending a Web Browser with Client-Side Mining (2003)
Hongjun Lu, Qiong Luo, Yeuk Kiu Shun
Abstract. We present WBext (Web Browser extended), a web browser extended with client-side mining capabilities. WBext learns sophisticated user interests and browsing habits by tailoring and...
Interviewing During a Tight Job Market (2002)
Various tips for interviewing for PhD graduates, seeking an academic position in a research university in Asia or North America are discussed. It is suggested that having the dissertation done before...
Caching for web-based database applications / (2002)
Thesis (Ph. D.)--University of Wisconsin--Madison, 2002.
Caching for web-based database applications / (2002)
Thesis (Ph. D.)--University of Wisconsin--Madison, 2002.
Caching for web-based database applications / (2002)
Thesis (Ph. D.)--University of Wisconsin--Madison, 2002.
Dbcache: Database caching for web application servers (2002)
Mehmet Altinel, Qiong Luo, Sailesh Krishnamurthy, C. Mohan, Hamid Pirahesh
Many e-Business applications today are being developed and deployed on multi-tier environments involving browser-based clients, web application servers and backend databases. The dynamic nature of...
Dbcache: Database caching for web application servers (2002)
Mehmet Altinel, Qiong Luo, Bruce G. Lindsay
Many e-Business applications today are being developed and deployed on multi-tier environments involving browser-based clients, web application servers and backend databases. The dynamic nature of...
Web Acceleration for Electronic Commerce Applications (2001)
Li, Wen-Syan, Candan, Selcuk, Hsiung, Wang-Pin, Agrawal, Divyakant, Luo, Qiong, Huang, Wayne, ...
The Niagara Internet Query System (2001)
Jeffrey Naughton, David Dewitt, David Maier, Ashraf Aboulnaga, Jianjun Chen, Leonidas Galanis, ...
Recently, there has been a great deal of research into XML query languages to enable the execution of database-style queries over XML files. However, merely being an XML query-processing engine does...
The Niagara Internet Query System (2001)
Jeffrey Naughton, David Dewitt, David Maier, Ashraf Aboulnaga, Jianjun Chen, Leonidas Galanis, ...
Recently, there has been a great deal of research into XML query languages to enable the execution of database-style queries over XML files. However, merely being an XML query-processing engine does...
The Niagara Internet Query System (2001)
Jeffrey Naughton, David Dewitt, David Maier, Ashraf Aboulnaga, Jianjun Chen, Leonidas Galanis, ...
Recently, there has been a great deal of research into XML query languages to enable the execution of database-style queries over XML files. However, merely being an XML query-processing engine does...
The Niagara Internet Query System (2001)
Jeffrey Naughton, David Dewitt, David Maier, Ashraf Aboulnaga, Jianjun Chen, Leonidas Galanis, ...
Recently, there has been a great deal of research into XML query languages to enable the execution of database-style queries over XML files. However, merely being an XML query-processing engine does...
On supporting containment queries in relational database management systems (2001)
Chun Zhang, Jeffrey Naughton, David Dewitt, Qiong Luo
Virtually all proposals for querying XML include a class of query we term “containment queries”. It is also clear that in the foreseeable future, a substantial amount of XML data will be stored...
On supporting containment queries in relational database management systems (2001)
Chun Zhang, Jeffrey Naughton, David Dewitt, Qiong Luo
Virtually all proposals for querying XML include a class of query we term “containment queries”. It is also clear that in the foreseeable future, a substantial amount of XML data will be stored...
On supporting containment queries in relational database management systems (2001)
Chun Zhang, Jeffrey Naughton, David Dewitt, Qiong Luo
Virtually all proposals for querying XML include a class of query we term “containment queries”. It is also clear that in the foreseeable future, a substantial amount of XML data will be stored...
Active query caching for database web servers (2000)
Qiong Luo, Jeffrey F. Naughton, Rajasekar Krishnamurthy, Pei Cao, Yunrui Li
Abstract. A substantial portion of web traffic consists of queries to database web servers. Unfortunately, a common technique to improve web scalability, proxy caching, is ineffective for database...
Active query caching for database web servers (2000)
Qiong Luo, Rajasekar Krishnamurthy, Yunrui Li, Pei Cao, Jeffrey F. Naughton
Database web servers are an important class of dynamic content providers on the Internet. Unfortunately, like most dynamic content providers, their form-based queries and responses cannot be cached...
Active query caching for database web servers (2000)
Qiong Luo, Jeffrey F. Naughton, Rajasekar Krishnamurthy, Pei Cao, Yunrui Li
A substantial portion of web traffic consists of queries to database web servers. Unfortunately, a common technique to improve web scalability, proxy caching, is ineffective for database web servers...
Active Query Caching for Database Web Servers (1999)
Qiong Luo, Rajasekar Krishnamurthy, Yunrui Li, Pei Cao, Jeffrey F. Naughton
Database web servers are an important class of dynamic content providers on the Internet. Unfortunately, like most dynamic content providers, their form-based queries and responses cannot be cached...
Active Query Caching for Database Web Servers (1999)
Qiong Luo, Jeffrey F. Naughton, Rajesekar Krishnamurthy, Pei Cao, Yunrui Li
A substantial portion of web traffic consists of queries to database web servers. Unfortunately, a common technique to improve web scalability, proxy caching, is ineffective for database web servers...
The Niagara Internet Query System
Jeffrey Naughton, David DeWitt, David Maier, Jianjun Chen, Leonidas Galanis, Kristin Tufte, ...
: Many projections envision a future in which the Internet is populated with a vast number of Web-accessible XML files---a "World-Wide Database". Recently, there has been a great deal of...