SHEF: Semantic Tagging and Summarization Techniques Applied to Cross-document Coreference Horacio Saggion author 2007-06 text Proceedings of the Fourth International Workshop on Semantic Evaluations (SemEval-2007) Eneko Agirre editor Lluís Màrquez editor Richard Wicentowski editor Association for Computational Linguistics Prague, Czech Republic conference publication saggion-2007-shef https://aclanthology.org/S07-1063/ 2007-06 292 295