Text Summarization Model Based on Maximum Coverage Problem and its Variant Hiroya Takamura author Manabu Okumura author 2009-03 text Proceedings of the 12th Conference of the European Chapter of the ACL (EACL 2009) Alex Lascarides editor Claire Gardent editor Joakim Nivre editor Association for Computational Linguistics Athens, Greece conference publication takamura-okumura-2009-text https://aclanthology.org/E09-1089/ 2009-03 781 789