Extracting Topics from Texts Based on Situations Zhiyi Ma author Xuegong Zhan author Tianshun Yao author 1996-12 text Proceedings of the 11th Pacific Asia Conference on Language, Information and Computation Byung-Soo Park editor Jong-Bok Kim editor Kyung Hee University Seoul, Korea conference publication ma-etal-1996-extracting http://hdl.handle.net/2065/12046 https://aclanthology.org/Y96-1037/ 1996-12 357 362