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When Information Retrieval Measures Agree about the Relative Quality of Document Rankings.
Peer reviewed Peer reviewed
Losee, Robert M. – Journal of the American Society for Information Science, 2000
Discusses the variety of performance measures available for information retrieval systems, search engines, and network filtering agents. Considers how measures of performance at a point in a search can be formally compared, develops criteria related to document orderings, and discusses equivalent ordering and precision and recall. (Author/LRW)
Descriptors: Comparative Analysis, Computer Networks, Evaluation Criteria, Information Retrieval
Extending Retrieval Strategies to Networked Environments: Old Ways, New Ways, and a Critical Look at WAIS.
Peer reviewed Peer reviewed
Marchionini, Gary; And Others – Journal of the American Society for Information Science, 1994
Reports on a comparative investigation of WAIS, a networking and finding aid used on the Internet, and a Boolean-based retrieval system. The terms and limitations of the study are described, and the comparative recall and precision rates are given. The problems and potential of WAIS and other highly interactive search systems are presented.…
Descriptors: Comparative Analysis, Computer Networks, Information Networks, Information Retrieval
An Empirical Test of Gopher Searching Using Three Organizational Schemes: Background and Methods.
Frost, Carolyn O.; Janes, Joseph – Proceedings of the ASIS Mid-Year Meeting, 1994
Describes plans for an investigation of gopher protocol use for browsing and searching for information available via the Internet. Use of classification schemes based on traditional library models will be compared to the use of an existing gopher. Research questions, literature on related issues, construction of the classification schemes, and the…
Descriptors: Access to Information, Classification, Comparative Analysis, Computer Networks
Electronic Information: Options for Access.
Peer reviewed Peer reviewed
Pesch, Oliver – College & Undergraduate Libraries, 1994
Discusses three electronic information formats: CD-ROM, tape loads, and online hosts; reviews some of the hardware platforms used for accessing information in these formats; and discusses some of the issues involved in interconnecting computer systems to increase access to electronic collections. (Author)
Descriptors: Access to Information, Comparative Analysis, Computer Networks, Databases
Analysis of Retrieval Performance in Four Cross-Disciplinary Databases: Article1st, Faxon Finder, UnCover, and a Locally Mounted Database.
Peer reviewed Peer reviewed
Stebelman, Scott – College & Research Libraries, 1994
Reports on a study of citation retrieval performance using three Internet-accessible databases and a database composed of six Wilson databases. Variables examined included citation frequency, percentage of unique periodicals cited per search, and relevancy of citations to stated search topic. The implications of the data for database selection are…
Descriptors: Analysis of Variance, Bibliographic Databases, Chi Square, Citations (References)
Proceedings of the International Association for Development of the Information Society (IADIS) International Conference on Cognition and Exploratory Learning in Digital Age (CELDA) (Madrid, Spain, October 19-21, 2012)
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International Association for Development of the Information Society, 2012
The IADIS CELDA 2012 Conference intention was to address the main issues concerned with evolving learning processes and supporting pedagogies and applications in the digital age. There had been advances in both cognitive psychology and computing that have affected the educational arena. The convergence of these two disciplines is increasing at a…
Descriptors: Academic Achievement, Academic Persistence, Academic Support Services, Access to Computers