Keyphrases Extraction Research Based on Structure of Document
Keyphrase is the foundation of text categorization,automatic summary and information retrieval,so the research of automatic keyphrase extraction has important significance.The current keyphrase extraction methods dont take full advantage of the structural features of the document,too much emphasis on the importance of term frequency,which result in the low accuracy of keyphrase extraction.According to these,the paper proposed a keyphrase extraction method based on structure features of the document.It combined with term frequency,location and length information to automatically extract keyphrases.
keyphrases extractor! term weight frequency factor location factor
Huan Huang Hong Wang
National Engineering Research Center for E-Learning HuaZhong Normal University Wuhan.Hubei.P.R.China
国际会议
上海
英文
180-183
2010-06-22(万方平台首次上网日期,不代表论文的发表时间)