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Spink, Amanda; Jansen, Bernard J.; Ozmultu, H. Cenk – Internet Research, 2000
Examines the use of query reformulation and particularly the use of relevance feedback by users of the Excite Web search engine. Discusses results that show limited use of query reformulation and relevance feedback; identifies the most common pattern of searching; and discusses implications for Web search system design. (Contains 16 references.)…
Descriptors: Computer System Design, Feedback, Information Retrieval, Man Machine Systems
Budzik, Jay; Hammond, Kristian – Proceedings of the ASIS Annual Meeting, 1999
Introduces Information Management Assistants (IMAs). Presents work on an architecture for this class of system, and progress in implementing Watson, a prototype of such a system. Watson observes users in word processing and Web browsing applications and uses a simple model of the user's tasks, knowledge of term importance, and an understanding of…
Descriptors: Computer System Design, Information Management, Information Services, Information Systems
Allen, Robert B.; Murray, G. Craig; Yang, Hedong – 2002
WQ is a Web-based system that reflects some of the ideas found in WebQuests. This paper analyzes the characteristics that make the WebQuests so popular and determines which of their components give them the greatest educational value. The WQ system, which the authors have implemented, presents sites to be browsed and searched. It allows students…
Descriptors: Computer System Design, Computer Uses in Education, Educational Technology, Information Retrieval
Budzik, Jay; Hammond, Kristian; Marlow, Cameron; Scheinkman, Andrei – 1998
This paper outlines work on a class of systems called Personal Information Management Assistants (PIMAs). PIMAs observe user interaction with everyday applications and use these observations to anticipate a user's information needs. They then automatically fulfill these needs by accessing Internet information sources, filtering the results, and…
Descriptors: Artificial Intelligence, Computer Interfaces, Computer System Design, Information Management
Doan, Bich-Lien; Beigbeder, Michel; Girardot, Jean-Jacques; Jaillon, Philippe – 1998
The growing volume of heterogeneous and distributed information on the World Wide Web has made it increasingly difficult for existing tools to retrieve relevant information. To improve the performance of these tools, this paper suggests how to handle two aspects of the problem. The first aspect concerns a better representation and description of…
Descriptors: Access to Information, Artificial Intelligence, Computer System Design, Foreign Countries
Francisco-Revilla, Luis; Shipman, Frank; Furuta, Richard; Karadkar, Unmil; Arora, Avital – 2001
Increasingly, digital libraries are being defined as collection pointers to World Wide Web-based resources rather than collections that hold the resources themselves. Maintaining these collections is challenging due to distributed document ownership and high fluidity. Typically a collection's maintainer has to assess the relevance of changes with…
Descriptors: Change, Computer System Design, Electronic Libraries, Information Management
Khoo, Christopher S. G.; Poo, Danny C. C.; Toh, Teck-Kang; Hong, Glenn – 1999
E-Referencer is an expert intermediary system for searching library online public access catalogs (OPACs) on the World Wide Web. It is implemented as a proxy server that mediates the interaction between the user and Boolean OPACs. It transforms a Boolean OPAC into a retrieval system with many of the search capabilities of Web search engines.…
Descriptors: Computer Interfaces, Computer Software Development, Computer System Design, Expert Systems
Badue, Claudine; Vaz, Wesley; Albuquerque, Eduardo – 1998
This paper presents an information agent and latent semantic-based indexing architecture to retrieve documents on the Internet. The system optimizes the search for documents in the Internet by automatically retrieving relevant links. The information used for the search can be obtained, for instance, from Internet browser caches and from grades of…
Descriptors: Automation, Computer System Design, Computer Uses in Education, Cooperative Learning

Ashley, Teresa; Colborn, Nancy Wootton; Crawford, Gregory; Freund, LeiLani S.; Heise, Jennifer; Hocker, Susan E.; Hoover, Danise; Jacobs, Sally J.; Kelsey, Sigrid; Lacks, Bernice; Lyon, Sally; McDonald, Brenda; McHugh, William; Popp, Mary Pagliero; Swanson, Signe; Wright, Arthuree R. M. – Reference & User Services Quarterly, 2001
This bibliography on users' machine-assisted information seeking behavior was compiled by the American Library Association's Reference and User Services Association (RUSA) Machine-Assisted Reference Section (MARS). Includes adoption of technology; digital library services; hypertext; interface design; models and theory; relevance; resource…
Descriptors: Adoption (Ideas), Affective Behavior, Bibliographies, Computer Interfaces