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Home > Computing and Information Technology > Computer science > Artificial intelligence > Natural language and machine translation > Explorations in Automatic Thesaurus Discovery: (278 The Springer International Series in Engineering and Computer Science)
Explorations in Automatic Thesaurus Discovery: (278 The Springer International Series in Engineering and Computer Science)

Explorations in Automatic Thesaurus Discovery: (278 The Springer International Series in Engineering and Computer Science)


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About the Book

This text presents an automated method for creating a first-draft thesaurus from raw text. It describes natural processing steps of tokenization, surface syntactic analysis and syntactic attribute extraction. From these attributes, word and term similarity is calculated and a thesaurus is created showing important common terms and their relation to each other, common verb-noun pairings, common expressions, and word family members. The techniques are tested on 20 different corpora ranging from baseball newsgroups, assassination archives, medical X-ray reports, abstracts on AIDS, to encyclopedia articles on animals, even on the text of the book itself. The corpora range from 40,000 to 6 million characters of text, and results are presented for each in appendices. The methods described in the book have undergone extensive evaluation. Their time and space complexity are shown to be modest. The results are shown to converge to a stable state as the corpus grows. The similarities calculated are compared to those produced by psychological testing. A method of evaluation using Artificial Synonyms is tested. Gold Standards evaluation show that techniques significantly outperform non-linguistic-based techniques for the most important words in corpora. This text includes applications to the fields of information retrieval using established testbeds, existing thesaural enrichment and semantic analysis. Also included are applications showing how to create, implement, and test a first-draft thesaurus.

Table of Contents:
1 INTRODUCTION.- 2 SEMANTIC EXTRACTION.- 2.1 Historical Overview.- 2.2 Cognitive Science Approaches.- 2.3 Recycling Approaches.- 2.4 Knowledge-Poor Approaches.- 3 SEXTANT.- 3.1 Philosophy.- 3.2 Methodology.- 3.3 Other examples.- 3.4 Discussion.- 4 EVALUATION.- 4.1 Deese Antonyms Discovery.- 4.2 Artificial Synonyms.- 4.3 Gold Standards Evaluations.- 4.4 Webster’s 7th.- 4.5 Syntactic vs. Document Co-occurrence.- 4.6 Summary.- 5 APPLICATIONS.- 5.1 Query Expansion.- 5.2 Thesaurus enrichment.- 5.3 Word Meaning Clustering.- 5.4 Automatic Thesaurus Construction.- 5.5 Discussion and Summary.- 6 CONCLUSION.- 6.1 Summary.- 6.2 Criticisms.- 6.3 Future Directions.- 6.4 Vision.- 1 PREPROCESSORS.- 2 WEBSTER STOPWORD LIST.- 3 SIMILARITY LIST.- 4 SEMANTIC CLUSTERING.- 5 AUTOMATIC THESAURUS GENERATION.- 6 CORPORA TREATED.- 6.1 ADI.- 6.2 AI.- 6.3 AIDS.- 6.4 ANIMALS.- 6.5 BASEBALL.- 6.6 BROWN.- 6.7 CACM.- 6.8 CISI.- 6.9 CRAN.- 6.10 HARVARD.- 6.11 JFK.- 6.12 MED.- 6.13 MERGERS.- 6.14 MOBYDICK.- 6.15 NEJM.- 6.16 NPL.- 6.17 SPORTS.- 6.18 TIME.- 6.19 XRAY.- 6.20 THESIS.



Product Details
  • ISBN-13: 9780792394686
  • Publisher: Kluwer Academic Publishers
  • Publisher Imprint: Kluwer Academic Publishers
  • Height: 235 mm
  • No of Pages: 305
  • Returnable: Y
  • Width: 155 mm
  • ISBN-10: 0792394682
  • Publisher Date: 31 Jul 1994
  • Binding: Hardback
  • Language: English
  • Returnable: Y
  • Series Title: 278 The Springer International Series in Engineering and Computer Science


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Explorations in Automatic Thesaurus Discovery: (278 The Springer International Series in Engineering and Computer Science)
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