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Peer reviewedMomenee, Karen – Journal of the American Society for Information Science, 1982
Query forms used in library information systems are expressed in a generalized notation. Three relations, the FIELD, the inverse FIELD and the RECORD, are defined to express file access operations in known-item and subject searches, browsing, clustering operations, and truncation and word proximity searching. Eighteen references are cited. (EJS)
Descriptors: Comparative Analysis, Databases, Diagrams, Information Retrieval
Roose, Tina – Library Journal, 1985
This comparison of online searching cost figures from several of North Suburban Library System's public libraries notes search costs for 1984, average costs for public library computer searches, cost discrepancies, barriers to integration of online searching as a reference tool, searching data, and philosophical decisions. (EJS)
Descriptors: Comparative Analysis, Cost Effectiveness, Costs, Library Networks
