Generalized graphical abstractions for statistical machine translation

  • Authors:
  • Karim Filali;Jeff Bilmes

  • Affiliations:
  • University of Washington, Seattle, WA;University of Washington, Seattle, WA

  • Venue:
  • NAACL-Short '07 Human Language Technologies 2007: The Conference of the North American Chapter of the Association for Computational Linguistics; Companion Volume, Short Papers
  • Year:
  • 2007

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Abstract

We introduce a novel framework for the expression, rapid-prototyping, and evaluation of statistical machine-translation (MT) systems using graphical models. The framework extends dynamic Bayesian networks with multiple connected different-length streams, switching variable existence and dependence mechanisms, and constraint factors. We have implemented a new general-purpose MT training/decoding system in this framework, and have tested this on a variety of existing MT models (including the 4 IBM models), and some novel ones as well, all using Europarl as a test corpus. We describe the semantics of our representation, and present preliminary evaluations, showing that it is possible to prototype novel MT ideas in a short amount of time.