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COLING
2008

A Joint Information Model for N-Best Ranking

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A Joint Information Model for N-Best Ranking
In this paper, we present a method for modeling joint information when generating n-best lists. We apply the method to a novel task of characterizing the similarity of a group of terms where only a small set of many possible semantic properties may be displayed to a user. We demonstrate that considering the results jointly, by accounting for the information overlap between results, generates better n-best lists than considering them independently. We propose an information theoretic objective function for modeling the joint information in an n-best list and show empirical evidence that humans prefer the result sets produced by our joint model. Our results show with 95% confidence that the n-best lists generated by our joint ranking model are significantly different from a baseline independent model 50.0%
Patrick Pantel, Vishnu Vyas
Added 09 Dec 2010
Updated 09 Dec 2010
Type Journal
Year 2008
Where COLING
Authors Patrick Pantel, Vishnu Vyas
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