Cross-document Event Coreference Resolution based on Cross-media Features Tongtao Zhang author Hongzhi Li author Heng Ji author Shih-Fu Chang author 2015-09 text Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing Lluís Màrquez editor Chris Callison-Burch editor Jian Su editor Association for Computational Linguistics Lisbon, Portugal conference publication zhang-etal-2015-cross 10.18653/v1/D15-1020 https://aclanthology.org/D15-1020/ 2015-09 201 206