Incremental parsing models for dialog task structure

  • Authors:
  • Srinivas Bangalore;Amanda J. Stent

  • Affiliations:
  • AT&T Labs -- Research, Inc., Florham Park, NJ;AT&T Labs -- Research, Inc., Florham Park, NJ

  • Venue:
  • EACL '09 Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics
  • Year:
  • 2009

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Abstract

In this paper, we present an integrated model of the two central tasks of dialog management: interpreting user actions and generating system actions. We model the interpretation task as a classification problem and the generation task as a prediction problem. These two tasks are interleaved in an incremental parsing-based dialog model. We compare three alternative parsing methods for this dialog model using a corpus of human-human spoken dialog from a catalog ordering domain that has been annotated for dialog acts and task/subtask information. We contrast the amount of context provided by each method and its impact on performance.