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Information Retrieval Systems
Frederick Wilfrid Lancaster
其他書名
Characteristics, Testing, and Evaluation
出版Wiley, 1979
主題Computers / System Administration / Storage & RetrievalLanguage Arts & Disciplines / Library & Information Science / General
ISBN04710467369780471046738
URLhttp://books.google.com.hk/books?id=JOhTAAAAMAAJ&hl=&source=gbs_api
註釋The functions of information retrieval systems; The matching subsystem; The application of computers to information retrieval: off-line batch processing systems; On-line information retrieval; The growth of machine-readable data bases; Microforms and microform retrieval systems; Information centers and information services; Criteria by which information services may be evaluated; Evaluating the effectiveness of information services; Latent needs and expressed needs; Selecting a data base and searching; Vocabulary control; The indexing subsystem; Improving the performance of an information service on the basis of evaluation results; The evaluation of machine-readable data bases and information services derived from them; Cost-effectiveness and cost-benefitevaluation; Evaluation of a national information system; Pertinence and relevance; A brief history of evaluation; Natural language in infomration retrieval; Automatic systems; The role of informal communication; Users and user needs; The design of infomration services; The future: paperless information systems.