TimeBank-Driven TimeML Analysis

Authors Branimir Boguraev, Rie Kubota Ando

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Branimir Boguraev
Rie Kubota Ando

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Branimir Boguraev and Rie Kubota Ando. TimeBank-Driven TimeML Analysis. In Annotating, Extracting and Reasoning about Time and Events. Dagstuhl Seminar Proceedings, Volume 5151, pp. 1-22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2005)


The design of TimeML as an expressive language for temporal information brings promises, and challenges; in particular, its representational properties raise the bar for traditional information extraction methods applied to the task of text-to-TimeML analysis. A reference corpus, such as TimeBank, is an invaluable asset in this situation; however, certain characteristics of TimeBank---size and consistency, primarily---present challenges of their own. We discuss the design, implementation, and performance of an automatic TimeML-compliant annotator, trained on TimeBank, and deploying a hybrid analytical strategy of mixing aggressive finite-state processing over linguistic annotations with a state-of-the-art machine learning technique capable of leveraging large amounts of unannotated data. The results we report are encouraging in the light of a close analysis of TimeBank; at the same time they are indicative of the need for more infrastructure work, especially in the direction of creating a larger and more robust reference corpus.
  • TimeML analysis
  • TimeBank corpus
  • TimeML-compliant temporal information extraction
  • finite-state processing
  • machine learning
  • corpus analysis


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