【作者单位】1 School of Information Science & Technology, Southwest Jiaotong University, Chengdu 610031, China 2 Engineering School, Tibet University, Lhasa 850000, China
【年份】2014
【卷号】Vol.31 No.4
【页码】993-996
【关键词】RANDOM fields SEQUENCES PROBABILITY theory ITERATIVE methods COST functions
【摘要】 This paper introduced the conditional random field (CRFs) to construct the sensitive topic detection method based on CRFs. Firstly, the method used a text 5 selected randomly as observing sequence of CRFs, and used the rest of detected text as its st...
