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An Extension of BLANC to System Mentions
Xiaoqiang Luo1, Sameer Pradhan2, Marta Recasens3
1Google Inc., 111 8th Ave, New York, NY 10011.
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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