Semantic Role Parsing: Adding Semantic Structure to Unstructured Text

  • Authors:
  • Sameer Pradhan;Kadri Hacioglu;Wayne Ward;James H. Martin;Daniel Jurafsky

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
  • Year:
  • 2003

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Abstract

There is a ever-growing need to add structure in the formof semantic markup to the huge amounts of unstructured textdata now available. We present the technique of shallow semanticparsing, the process of assigning a simple WHO didWHAT to WHOM, etc., structure to sentences in text, as auseful tool in achieving this goal. We formulate the semanticparsing problem as a classification problem using SupportVector Machines. Using a hand-labeled training setand a set of features drawn from earlier work together withsome feature enhancements, we demonstrate a system thatperforms better than all other published results on shallowsemantic parsing.