A Survey of the Research on Information Extraction over Web Tables
Web表格信息抽取研究综述

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.