User-controlled mapping of significant literatures

Howard D. White, Xia Lin, Jan W. Buzydlowski, Chaomei Chen

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We apply a version of our web-based literature-mapping system to PNAS for 1971-2002, as indexed by the National Library of Medicine and the Institute for Scientific Information. Given a single input term from a user, a medical subject heading, a cocited author, or a cocited journal, PNASLINK rapidly displays views in which that term and the other 24 terms that most frequently co-occur with it in a bibliographic database are interrelated in ways suggesting fruitful combinations for document retrieval. The interrelationships are produced by two algorithms, pathfinder networks and Kohonen-style self-organizing maps. PNASLINK displays are themselves interactive interfaces that can retrieve documents from digital libraries (e.g., PNAS Online). This style of visualizing knowledge domains is called "localized" because it does not attempt to map the indexing of literatures in full but concentrates on the top terms in an "associative thesaurus" reflecting user interests. It also permits swift remappings, as the user recognizes terms worth pursuing. PNASLINK is illustrated with maps drawn from the literature of population genetics. Some comparative and evaluative comments are added, one from a domain expert indicating that the face validity of the system may be tempered by insufficient specificity in the indexing terms being mapped.

Original languageEnglish
Pages (from-to)5297-5302
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume101
Issue numberSUPPL. 1
DOIs
Publication statusPublished - 2004 Apr 6

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Medical Subject Headings
Controlled Vocabulary
Digital Libraries
Bibliographic Databases
National Library of Medicine (U.S.)
Population Genetics
Reproducibility of Results

All Science Journal Classification (ASJC) codes

  • General

Cite this

White, Howard D. ; Lin, Xia ; Buzydlowski, Jan W. ; Chen, Chaomei. / User-controlled mapping of significant literatures. In: Proceedings of the National Academy of Sciences of the United States of America. 2004 ; Vol. 101, No. SUPPL. 1. pp. 5297-5302.
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User-controlled mapping of significant literatures. / White, Howard D.; Lin, Xia; Buzydlowski, Jan W.; Chen, Chaomei.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 101, No. SUPPL. 1, 06.04.2004, p. 5297-5302.

Research output: Contribution to journalArticle

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