Sentence Fusion via Dependency Graph Compression Katja Filippova author Michael Strube author 2008-10 text Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing Mirella Lapata editor Hwee Tou Ng editor Association for Computational Linguistics Honolulu, Hawaii conference publication filippova-strube-2008-sentence https://aclanthology.org/D08-1019/ 2008-10 177 185