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ERIC Number: EJ591687
Record Type: Journal
Publication Date: 1999
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0002-8231
EISSN: N/A
Measuring Search-Engine Quality and Query Difficulty: Ranking with Target and Freestyle.
Losee, Robert M.; Paris, Lee Anne H.
Journal of the American Society for Information Science, v50 n10 p882-89 Aug 1999
Compares the performance of the Target and Freestyle commercial search engines. Discusses traditional performance measures such as precision and recall, analytic models of performance, document rankings, query difficulty and correlates with other performance characteristics, and future research needs. (LRW)
Descriptors: Comparative Analysis, Correlation, Futures (of Society), Measurement Techniques, Models, Relevance (Information Retrieval), Research Needs, World Wide Web
Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A