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      Using lexical chains for keyword extraction

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      Author(s)
      Ercan, G.
      Cicekli, I.
      Date
      2007-11
      Source Title
      Information Processing and Management
      Print ISSN
      0306-4573
      Publisher
      Elsevier Ltd
      Volume
      43
      Issue
      6
      Pages
      1705 - 1714
      Language
      English
      Type
      Article
      Item Usage Stats
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      Abstract
      Keywords can be considered as condensed versions of documents and short forms of their summaries. In this paper, the problem of automatic extraction of keywords from documents is treated as a supervised learning task. A lexical chain holds a set of semantically related words of a text and it can be said that a lexical chain represents the semantic content of a portion of the text. Although lexical chains have been extensively used in text summarization, their usage for keyword extraction problem has not been fully investigated. In this paper, a keyword extraction technique that uses lexical chains is described, and encouraging results are obtained. © 2007 Elsevier Ltd. All rights reserved.
      Keywords
      Keyword extraction
      Lexical chains
      Machine learning
      Natural language processing
      Classification (of information)
      Learning systems
      Natural language processing systems
      Semantics
      Text processing
      Permalink
      http://hdl.handle.net/11693/23343
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.ipm.2007.01.015
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