An inference model for semantic entailment in natural language

  • Authors:
  • Rodrigo De Salvo Braz;Roxana Girju;Vasin Punyakanok;Dan Roth;Mark Sammons

  • Affiliations:
  • Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL;Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL;Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL;Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL;Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, IL

  • Venue:
  • AAAI'05 Proceedings of the 20th national conference on Artificial intelligence - Volume 3
  • Year:
  • 2005

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Abstract

Semantic entailment is the problem of determining if the meaning of a given sentence entails that of another. This is a fundamental problem in natural language understanding that provides a broad framework for studying language variability and has a large number of applications. This paper presents a principled approach to this problem that builds on inducing representations of text snippets into a hierarchical knowledge representation along with a sound optimization-based inferential mechanism that makes use of it to decide semantic entailment. A preliminary evaluation on the PASCAL text collection is presented.