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An Extension of BLANC to System Mentions

Xiaoqiang Luo
Sameer Pradhan
Marta Recasens
Eduard Hovy
Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Short Papers) (2014), pp. 24-29
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Abstract

BLANC is a link-based coreference evaluation metric for measuring the quality of coreference systems on gold mentions. This paper extends the original BLANC (“BLANC-gold” henceforth) to system mentions, removing the gold mention assumption. The proposed BLANC falls back seamlessly to the original one if system mentions are identical to gold mentions, and it is shown to strongly correlate with existing metrics on the 2011 and 2012 CoNLL data.

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