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Learning from Negative Examples in Set-Expansion | IEEE Conference Publication | IEEE Xplore

Learning from Negative Examples in Set-Expansion


Abstract:

This paper addresses the task of set-expansion on free text. Set-expansion has been viewed as a problem of generating an extensive list of instances of a concept of inter...Show More

Abstract:

This paper addresses the task of set-expansion on free text. Set-expansion has been viewed as a problem of generating an extensive list of instances of a concept of interest, given a few examples of the concept as input. Our key contribution is that we show that the concept definition can be significantly improved by specifying some negative examples in the input, along with the positive examples. The state-of-the art centroid-based approach to set-expansion doesn't readily admit the negative examples. We develop an inference-based approach to set-expansion which naturally allows for negative examples and show that it performs significantly better than a strong baseline.
Date of Conference: 11-14 December 2011
Date Added to IEEE Xplore: 23 January 2012
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Conference Location: Vancouver, BC, Canada

References

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