A statistically emergent approach for language processing: application to modeling context effects in ambiguous Chinese word boundary perception

  • Authors:

  • Kok-Wee Gan;Kim-Teng Lua;Martha Palmer

  • Affiliations:

  • Hong Kong University of Science and Technology;National University of Singapore;University of Pennsylvania

  • Venue:
  • Computational Linguistics
  • Year:
  • 1996

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Abstract

This paper proposes that the process of language understanding can be modeled as a collective phenomenon that emerges from a myriad of microscopic and diverse activities. The process is analogous to the crystallization process in chemistry. The essential features of this model are: asynchronous parallelism; temperature-controlled randomness; and statistically emergent active symbols. A computer program that tests this model on the task of capturing the effect of context on the perception of ambiguous word boundaries in Chinese sentences is presented. The program adopts a holistic approach in which word identification forms an integral component of sentence analysis. Various types of knowledge, from statistics to linguistics, are seamlessly integrated for the tasks of word boundary disambiguation as well as sentential analysis. Our experimental results showed that the model is able to address the word boundary ambiguity problems effectively.