Evaluation of Information Systems: A Selected Bibliography with Informative AbstractsU.S. Department of Commerce, National Bureau of Standards, 1967 - 209 lappuses |
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abstracts American Documentation Institute analysis application assigned ASTIA automatic indexing Bibliographic Coupling classification Cleverdon compared concepts conditional probability consistency cost Cranfield criteria defined descriptors determine developed documents retrieved efficiency errors experimental faceted classification factors function given incidence matrix index language index terms Information Retrieval Systems information systems input interfix irrelevant machine matrix measure method National Science Foundation nonrelevant number of documents number of items operating output papers percent performance probability problem procedure programs query question recall ratio relevance ratio relevant documents relevant information retrieved Report request requirements Research retrieval effectiveness role indicators sample Science search tool searchers selected source document Spartan Books specific statistical storage and retrieval subject headings superimposed coding techniques tion total number uments Universal Decimal Classification variables vocabulary Washington Western Reserve University words
Populāri fragmenti
58. lappuse - Prospects, (Press release of address for the third annual meeting of the Committee for International Cooperation in Information Retrieval among Examining Patent Offices (ICIREPAT) at the Patent Office of the Federal Republic of Austria, Vienna), Department of Commerce, Washington.
101. lappuse - Requirements, Criteria and Measures of Performance of Information Storage and Retrieval Systems, Final Report to National Science Foundation, Report AD 270 942.
127. lappuse - Interim Report on the Test Programme of an Investigation into the Comparative Efficiency of Indexing Systems...
23. lappuse - Evaluation of the Performance of an Information-Retrieval System by Modified Mooers Plan, by EM Fels, American Documentation 14, 28-34 (January 1963).
127. lappuse - Retrieval (95) was held, during which the Committee for International Cooperation in Information Retrieval among Examining Patent Offices (ICIREPAT) was formed.
25. lappuse - Project SHARP (SHips Analysis and Retrieval Project) Information Storage and Retrieval System: Evaluation of Indexing Procedures and Retrieval Effectiveness.
137. lappuse - The Intensive Sample Test for the Objective Evaluation of the Performance of Information Retrieval Systems RADC-TN-59-160, prepared for Rome Air Development Center, Air Research and Development Center, US.
134. lappuse - Testing Indexes and Index Language Devices: The ASLIB Cranfield Project, American Documentation 15, 4-13 (January 1964).
130. lappuse - Implementation, Test and Evaluation of a Selective Dissemination System for NASA Scientific and Technical Information, Report No.
120. lappuse - ... w" documents are of actual pertinent interest. We thus define the following quantities: n = number of documents embraced by a given system. m = number of documents which use of the system indicates to be of possible pertinent interest. w = number of documents that are found to be of actual pertinent interest by personal inspection of the m selected documents. Definition of these quantities leads immediately to consideration of certain relationships between them: - = fraction of total documents...