Indexes/Abstracts Ready Reference Dr. Dania Bilal IS 530 Spring 2002.
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Transcript of Indexes/Abstracts Ready Reference Dr. Dania Bilal IS 530 Spring 2002.
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Indexes/AbstractsReady Reference
Dr. Dania Bilal
IS 530
Spring 2002
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Abstracting/Indexing
• Abstracting: summary of content that should be used as a document surrogate.
• Indexing: assignment of terms from a thesaurus or a list of controlled vocabulary.
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Evaluation Criteria
• Format
• Scope
• Authority
• Accuracy
• Arrangement
• Special features
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Format
• Electronic– Web-based, CD-ROM, other online interfaces.
• Online is generally preferred for indexes. Criteria:
• Search and retrieval interfaces (design, suitability for intended audience, etc.)
• Browsing features; searching features; retrieval features
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Format
• Print– Interface– search features (access points)– readability– portability
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Scope & Coverage
• Time coverage
• Frequency of updates
• Document types included
• Subjects covered and depth of coverage
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Authority
• Reputation – Publisher– Indexer
• Quality of literature indexed & timeliness
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Accuracy
• Completeness of selection policies for the literature indexed
• Quality of the descriptive information
• Quality of indexing and abstracting (e.g., logical/intellectual; free of typographical and grammatical errors)
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Arrangement
• Alphabetical by topic (print) - novices
• Subject classification (print) - experts
• Options for searching and output formats (electronic)
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Special Features
• Thesaurus or list of subject headings
• List of sources indexed
• List of abbreviations used
• Instructions on how to use index
• Online ordering of full text or a link to it
• Help file
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Needs of Users
• Is subject coverage sufficient for intended users?
• Is the subject coverage too simple or too sophisticated for intended users?
• Adequacy of format vis-à-vis users
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Search Strategies: Print
• Read instructions
• Know the features provided
• Test a few searches
• Understand the structure of citations provided
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Search Strategies: Electronic
• Familiarize yourself with the search features provided, search and retrieval interfaces, help files, bluesheets for specific databases, as applicable, etc.
• Construct initial and alternative strategies using free text and/or controlled vocabulary
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Search Strategies: Electronic
• Select appropriate database(s)
• Execute search
• View intermediate results
• Refine search as needed
• Finalize/complete search
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Ready Reference
• Directories - Evaluation– Authority– Scope and comprehensiveness– Accuracy– Currency– Format/arrangement vis-à-vis intended
audience
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Search Strategies: Directories/Numeric Sources
• Use print version for one-dimensional queries (e.g., a phone number, address)
• Use electronic version for multi-dimensional queries (e.g., queries that require some research)
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Search Strategies: Directories/Numeric Sources
• Plan your strategy in advance (same as you do when you use other databases)
• Look up the specific codes/fields that can be used (e.g., zip code, SIC code)
• Make sure you use the correct source for the specific query. Timeliness is essential.