Thesaurus-Based Automatic Indexing: A Study of Indexing Failure.
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ERIC Institute of Education Sciences
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| Main Author: | |
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| Format: | Recurso educativo Open Access |
| Language: | en |
| Published: |
1978
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| _version_ | 1867181679888564225 |
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| author | Caplan, Priscilla Louise |
| author_facet | Caplan, Priscilla Louise Caplan, Priscilla Louise |
| collection | Education Resources Information Center |
| contents | Thesaurus-Based Automatic Indexing: A Study of Indexing Failure. Caplan, Priscilla Louise Automatic Indexing Coordinate Indexes Failure Information Retrieval Systems Analysis Thesauri This study examines automatic indexing performed with a manually constructed thesaurus on a document collection of titles and abstracts of library science master's papers. Errors are identified when the meaning of a posted descriptor, as identified by context in the thesaurus, does not match that of the passage of text which occasioned the posting. Three major types of errors are discussed: term ambiguity, flaws in thesaurus construction, and the automatic word matching procedure. The study concludes with a discussion of reasons for failure of each of the three error types, and an explanation of study limitations. Appendices contain an outline of the hierarchical structure of the thesaurus studied, a random sample of 100 index terms, and other subsets of the thesaurus which support the study. (Author/SW) |
| format | Recurso educativo Open Access |
| id | eric_ED192799 |
| institution | ERIC Institute of Education Sciences |
| language | en |
| publishDate | 1978 |
| record_format | eric |
| spellingShingle | Thesaurus-Based Automatic Indexing: A Study of Indexing Failure. Caplan, Priscilla Louise Automatic Indexing Coordinate Indexes Failure Information Retrieval Systems Analysis Thesauri Thesaurus-Based Automatic Indexing: A Study of Indexing Failure. Caplan, Priscilla Louise Automatic Indexing Coordinate Indexes Failure Information Retrieval Systems Analysis Thesauri This study examines automatic indexing performed with a manually constructed thesaurus on a document collection of titles and abstracts of library science master's papers. Errors are identified when the meaning of a posted descriptor, as identified by context in the thesaurus, does not match that of the passage of text which occasioned the posting. Three major types of errors are discussed: term ambiguity, flaws in thesaurus construction, and the automatic word matching procedure. The study concludes with a discussion of reasons for failure of each of the three error types, and an explanation of study limitations. Appendices contain an outline of the hierarchical structure of the thesaurus studied, a random sample of 100 index terms, and other subsets of the thesaurus which support the study. (Author/SW) |
| title | Thesaurus-Based Automatic Indexing: A Study of Indexing Failure. |
| topic | Automatic Indexing Coordinate Indexes Failure Information Retrieval Systems Analysis Thesauri |
| url | https://eric.ed.gov/?id=ED192799 |