Relation Extraction with Relation Topics Chang Wang author James Fan author Aditya Kalyanpur author David Gondek author 2011-07 text Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing Regina Barzilay editor Mark Johnson editor Association for Computational Linguistics Edinburgh, Scotland, UK. conference publication wang-etal-2011-relation https://aclanthology.org/D11-1132/ 2011-07 1426 1436