Time-efficient creation of an accurate sentence fusion corpus

Authors:
Kathleen McKeown;Sara Rosenthal;Kapil Thadani;Coleman Moore
Affiliations:
Columbia University, New York, NY;Columbia University, New York, NY;Columbia University, New York, NY;Columbia University, New York, NY
Venue:
HLT '10 Human Language Technologies: The 2010 Annual Conference of the North American Chapter of the Association for Computational Linguistics
Year:
2010

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Abstract

Sentence fusion enables summarization and question-answering systems to produce output by combining fully formed phrases from different sentences. Yet there is little data that can be used to develop and evaluate fusion techniques. In this paper, we present a methodology for collecting fusions of similar sentence pairs using Amazon's Mechanical Turk, selecting the input pairs in a semi-automated fashion. We evaluate the results using a novel technique for automatically selecting a representative sentence from multiple responses. Our approach allows for rapid construction of a high accuracy fusion corpus.