%0 Journal Article
%T A Survey of the Research on Information Extraction over Web Tables<br>Web表格信息抽取研究综述
%A Zhao Hong Xiao Hong Xue Dejun Shi Qinghui
%A <br>赵洪
%A 肖洪
%A 薛德军
%A 师庆辉
%J 现代图书情报技术
%D 2008
%I 
%X This paper firstly introduces the characteristics and structure of Web tables and describes the process of information extraction over Web tables.Then four key technologies are analysed,including Web table detection,Web table structure recognition,Web table interpretation and presentation of table extraction.It also analyses the application of the research and points out the problems in current researches,and finally presents a prospect of its future.
%K Web tables Information extraction Web table detection Web table structure recognition Web table interpretation<br>Web表格
%K 信息抽取
%K 表格定位
%K 表格结构识别
%K 表格内容整合
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=E46382710BF131B2&jid=24AADBCD0D5373C73F37F78D10E2F717&aid=3CF7B9BC401DCC884325257C3F357A41&yid=67289AFF6305E306&vid=B91E8C6D6FE990DB&iid=38B194292C032A66&sid=B91E8C6D6FE990DB&eid=4AD960B5AD2D111A&journal_id=1003-3513&journal_name=现代图书情报技术&referenced_num=2&reference_num=41