News-Oriented Keyword Indexing with Maximum Entropy Principle Sujian Li author Houfeng Wang author Shiwen Yu author Chengsheng Xin author 2003-10 text Proceedings of the 17th Pacific Asia Conference on Language, Information and Computation Dong Hong Ji editor Kim Teng Lua editor COLIPS PUBLICATIONS Sentosa, Singapore conference publication li-etal-2003-news-oriented http://hdl.handle.net/2065/12281 https://aclanthology.org/Y03-1031/ 2003-10 277 281