Extractive Summarization Method for Contact Center Dialogues based on Call Logs Akihiro Tamura author Kai Ishikawa author Masahiro Saikou author Masaaki Tsuchida author 2011-11 text Proceedings of 5th International Joint Conference on Natural Language Processing Haifeng Wang editor David Yarowsky editor Asian Federation of Natural Language Processing Chiang Mai, Thailand conference publication tamura-etal-2011-extractive https://aclanthology.org/I11-1056/ 2011-11 500 508