Soft Pattern Models

August 17, 2005

Generic Soft Pattern Models for Definitional QA

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Evaluation Setup

•Data set

–Test data: TREC-13 question answering task data

•AQUAINT corpus and 64 definition questions with answers

–Training data

•761 manually labeled definition sentences from TREC-12 question answering task data

•Comparison systems

–State-of-the-art manually constructed patterns

•Most comprehensive manually constructed patterns to our knowledge

–Previously proposed soft pattern in Cui et al., 2004

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