News-Oriented Automatic Chinese Keyword Indexing. - Sujian Li; Houfeng Wang; Shiwen Yu; Chengsheng Xin (SIGHAN, 2003)

News-Oriented Keyword Indexing with Maximum Entropy Principle. - Sujian Li; Houfeng Wang; Shiwen Yu; Chengsheng Xin (PACLIC, 2003)