Information Retrieval: On-lineSome characteristics of on-line retrieval systems; Equipment for on-line retrieval; Searching the on-line data base; File design for on-line systems; Some notes on existing on-line systems; Performance criteria; Factors affecting the performance of on-line searching systems; Evaluating effectiviness of the systems; Operating experience and evaluation results; System selection; Vocabulary in the on-line system; Indexing and cataloging on-line; On-line support for personal files; The on-line system for current awareness purposes; Instruction and training of users; Interfaces with document delivery systems; Some human factors considerations; Cost-performance-benefits factors; Requirements for future systems. |
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able abstracts additional allow appear average BEHAVIOR bibliographic Chapter characters citations combinations command communications complete conducted considerable console containing controlled cost data base described designed Development devices discussed display documents effect entered entry errors evaluation example existing experience factors field Figure given important indexing indicates Information Retrieval input instruction Interactive interest keyword less Library logical machine major means natural language obtain on-line system operator output particular performance permission possible precision present printed problems query question recall records references relevant remote reported Reproduced request Research response retrieval system Science search strategy searcher selected SOURCE specific statement storage stored strategy SUPARS TABLE terminal unit University various vocabulary