SHEF: semantic tagging and summarization techniques applied to cross-document coreference

Authors:
Horacio Saggion
Affiliations:
University of Sheffield, Sheffield, England, UK
Venue:
SemEval '07 Proceedings of the 4th International Workshop on Semantic Evaluations
Year:
2007

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Abstract

We describe experiments for the cross-document coreference task in SemEval 2007. Our cross-document coreference system uses an in-house agglomerative clustering implementation to group documents referring to the same entity. Clustering uses vector representations created by summarization and semantic tagging analysis components. We present evaluation results for four system configurations demonstrating the potential of the applied techniques.