NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 9 results Save | Export
Online Search Patterns: NLM CATLINE Database.
Peer reviewed Peer reviewed
Tolle, John E.; Hah, Sehchang – Journal of the American Society for Information Science, 1985
Presents analysis of online search patterns within user searching sessions of National Library of Medicine ELHILL system and examines user search patterns on the CATLINE database. Data previously analyzed on MEDLINE database for same period is used to compare the performance parameters of different databases within the same information system.…
Descriptors: Comparative Analysis, Data Analysis, Databases, Information Systems
An Informal Information-Seeking Environment.
Peer reviewed Peer reviewed
Hendry, David G.; Harper, David J. – Journal of the American Society for Information Science, 1997
Investigates how an informal computerized environment, or workspace, can support information seeking. Outlines the design space for information-seeking environments and presents a prototype, SketchTrieve, a graphic editor. Discusses how this environment might support information-seeking in ways not available in other more overdetermined systems.…
Descriptors: Computer Oriented Programs, Computer System Design, Information Retrieval, Information Seeking
End-User Searching in a Large Library Network: A Case Study of Patent Attorneys.
Vollaro, Alice J.; Hawkins, Donald T. – Online, 1986
Reports results of study of a group of end users (patent attorneys) doing their own online searching at AT&T Bell Laboratories. Highlights include DIALOG databases used by the attorneys, locations and searching modes, characteristics of patent attorney searchers, and problem areas. Questionnaire is appended. (5 references) (EJS)
Descriptors: Case Studies, Databases, Information Services, Information Systems
Methods for Estimating the Number of Relevant Documents in a Collection.
Peer reviewed Peer reviewed
Miller, Don; Dattola, Robert T. – Information Processing and Management, 1982
Empirical comparisons are made of three statistical sampling methods evaluated for estimating total number of relevant documents in collection for given query: simple random sampling, random sampling which assigns unequal selection probabilities to individual documents in collection, and curve fitting and extrapolation. Nine references and…
Descriptors: Comparative Analysis, Equations (Mathematics), Estimation (Mathematics), Information Retrieval
Developing and Implementing a Law School WESTLAW Orientation Program.
Peer reviewed Peer reviewed
Zick, Kenneth A. – Law Library Journal, 1979
Reasons for and methods of using the WESTLAW orientation program for computer-assisted legal research training are presented. A primer is provided to acquaint the student with the research and information retrieval system, especially in formulating search strategies. Available from Am. Assoc. Law Libraries, 53 W. Jackson Blvd., Suite 1201,…
Descriptors: Computer Assisted Instruction, Computer Oriented Programs, Information Retrieval, Information Systems
Analysis of Search Failures in Document Retrieval Systems: A Review.
Peer reviewed Peer reviewed
Tonta, Yasar – Public-Access Computer Systems Review, 1992
Discusses the concept of search failure in document retrieval systems and three effectiveness measures, precision, recall, and "fallout." Four research methods--retrieval effectiveness measures, user satisfaction measures, transaction log analysis, and critical incident technique--are examined, and findings of major studies using each of the…
Descriptors: Evaluation Methods, Information Retrieval, Information Systems, Online Searching
The Value of Information and Computer-Aided Information Seeking: Problem Formulation and Application to Fiction Retrieval.
Peer reviewed Peer reviewed
Morehead, David R.; And Others – Information Processing and Management, 1984
Discusses formulation of value function based on research from modelling, value assessment, human information seeking behavior, and human decision making. The proposed function is incorporated into computer-based fiction retrieval system and evaluated based on ability of individual's value function to discriminate among novels selected, rejected,…
Descriptors: Fiction, Information Retrieval, Information Seeking, Information Systems
An Inquiry into Testing of Information Retrieval Systems. Comparative Systems Laboratory Final Technical Report, Part II: Analysis of Results.
Saracevic, Tefko – 1968
The Comparative Systems Laboratory (CSL) proposed to deal with the problems of testing retrieval systems by examining a number of processes involved in such systems, with particular attention to the human factor. It is hoped that the results of the project will be useful in refining methodologies for experimentation with information retrieval (IR)…
Descriptors: Comparative Analysis, Evaluation Methods, Indexing, Information Retrieval
Digital Libraries: Situating Use in Changing Information Infrastructure.
Peer reviewed Peer reviewed
Bishop, Ann Peterson; Neumann, Laura J.; Star, Susan Leigh; Merkel, Cecelia; Ignacio, Emily; Sandusky, Robert J. – Journal of the American Society for Information Science, 2000
Reviews empirical studies about how digital libraries evolve for use in scientific and technical work based on the Digital Libraries Initiative (DLI) at the University of Illinois. Discusses how users meet infrastructure and document disaggregation; describes use of the DLI testbed of full text journal articles; and explains research methodology.…
Descriptors: Electronic Libraries, Focus Groups, Full Text Databases, Information Retrieval