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Domain-Specific Coreference Resolution with Lexicalized Features

Nathan Gilbert and Ellen Riloff

The 51st Annual Meeting of the Association for Computational Linguistics - Short Papers (ACL Short Papers 2013)
Sofia, Bulgaria, August 4-9, 2013


Most coreference resolvers rely heavily on string matching, syntactic properties, and semantic attributes of words, but they lack the ability to make decisions based on in- dividual words. In this paper, we ex- plore the benefits of lexicalized features in the setting of domain-specific corefer- ence resolution. We show that adding lexicalized features to off-the-shelf coref- erence resolvers yields significant perfor- mance gains on four domain-specific data sets and with two types of coreference res- olution architectures.

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