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Yao, Y. Y. – Journal of the American Society for Information Science, 1995
Discusses user preferences for the representation, interpretation, and measurement of the relevance or usefulness of retrieved documents. Highlights include measurement of user judgments on documents; distance between rankings; measures of retrieval effectiveness; normalized performance measure; and the relationship of distance-based measures to…
Descriptors: Information Retrieval, Mathematical Formulas, Measurement Techniques, Relevance (Information Retrieval)
VanGrasstek, Jean; Rubens, Donna – 1979
This report describes the composition and operation of the library of the Gray Freshwater Biological Institute at the University of Minnesota, a non-traditional information service which provides information to the institute by combining the use of three bibliographic databases with current awareness services, OCLC, MINITEX, and author reprint…
Descriptors: Biological Sciences, Databases, Information Retrieval, Information Services
Wismer, Donald – Online, 1984
Describes method of generating Electronic Yellow Pages mailing labels using DIALOG commands which involve downloading to disk and interposing a BASIC language program between disk and printer. Downloading problems (accession numbers, "tic" which DIALOG provides, line noise), two versions of program (full, compressed), and output examples…
Descriptors: Computer Oriented Programs, Computer Software, Data Processing, Databases
Orr, David B. – 1982
The Vocational Education Data System (VEDS) data base was created as a result of the Vocational Education Amendments of 1976. VEDS statistics were to be collected in the form of state-aggregate data (that is, state-level data is submitted by each state, based upon records and data collected by the state for this and other purposes); and VEDS data,…
Descriptors: Data Collection, Databases, Educational Research, Information Networks

Drabenstott, Karen M.; Weller, Marjorie S. – 1995
Over the last decade, studies of online catalogs have revealed that they frequently discourage users. Subject queries often fail to produce retrievals or produce retrieval sets that are too large and unwieldy to be easily scanned. Research shows that users are seeking alternative approaches to those that manipulate the subject headings in catalog…
Descriptors: Access to Information, Data Analysis, Design Requirements, Indexing