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1 results

  • Similarity computation using semantic networks created from web-harvested data

  • ELIAS IOSIF, ALEXANDROS POTAMIANOS
  • Journal:
    Natural Language Engineering / Volume 21 / Issue 1 / January 2015
    Published online by Cambridge University Press:
    26 July 2013, pp. 49-79

  • We investigate language-agnostic algorithms for the construction of unsupervised distributional semantic models using web-harvested corpora. Specifically, a corpus is created from web document snippets, and the relevant semantic similarity statistics are encoded in a semantic network. We propose the notion of semantic neighborhoods that are defined using co-occurrence or context similarity features. Three neighborhood-based similarity metrics are proposed, motivated by the hypotheses of attributional and maximum sense similarity. The proposed metrics are evaluated against human similarity ratings achieving state-of-the-art results.