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Series

New directions in information management

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Content

Inhalt: Introduction Document File Preparation - Manual Indexing - Information Extraction - Vector Space Modeling - Matrix Decompositions - Query Representations - Ranking and Relevance Feedback - Searching by Link Structure - User Interface - Book Format Document File Preparation Document Purification and Analysis - Text Formatting - Validation - Manual Indexing - Automatic Indexing - Item Normalization - Inverted File Structures - Document File - Dictionary List - Inversion List - Other File Structures Vector Space Models Construction - Term-by-Document Matrices - Simple Query Matching - Design Issues - Term Weighting - Sparse Matrix Storage - Low-Rank Approximations Matrix Decompositions QR Factorization - Singular Value Decomposition - Low-Rank Approximations - Query Matching - Software - Semidiscrete Decomposition - Updating Techniques Query Management Query Binding - Types of Queries - Boolean Queries - Natural Language Queries - Thesaurus Queries - Fuzzy Queries - Term Searches - Probabilistic Queries Ranking and Relevance Feedback Performance Evaluation - Precision - Recall - Average Precision - Genetic Algorithms - Relevance Feedback Searching by Link Structure HITS Method - HITS Implementation - HITS Summary - PageRank Method - PageRank Adjustments - PageRank Implementation - PageRank Summary User Interface Considerations General Guidelines - Search Engine Interfaces - Form Fill-in - Display Considerations - Progress Indication - No Penalties for Error - Results - Test and Retest - Final Considerations Further Reading

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Content

Enthält die Kapitel: BOPP, R.E.: History and varieties of reference services; SUTTON, E.D. u. L.D. HOLT: The reference interview; DALRYMPLE, P.D.: Bibliographic control, organization of information, and search strategies; KLUEGEL, K.M.: Introduction to electronic reference services; KLUEGEL, K.M.: Trends in electronic reference services: opportunities and challenges; WILSON, L.A.: Instruction as a reference service; WOODARD, B.S.: Reference staff training and development; ALLEN, B.: Evaluation of reference services; KIBBEE, J.Z.: Organization and management of reference and information services; KING, D.N. u. R.E. RUBIN: A philosophy of service; SUTTON, E.D., F.J. JACOBSON u. L.E. HOLT: Reference services for specific populations; SMITH, L.C.: Selection and evaluation of reference sources; MILLER, S.: Directories; STENSTROM, P.F.: Almanacs, yearbooks, and handbooks; BOPP, R.E.: Biographical sources; FAIRCHILD, C.A.: Dictionaries; JACOBSON, F.F.: Encyclopedias; COBB, D.A.: Geographical sources; PENKA, C.B. u. M. LANDIS: Bibliographies and library catalogs; SMITH, L.C.: Indexes and abstracts; BEKIARES, S.E. u. M. MALLORY: Government documents and statistics sources;