1Ralph Grishman.Information extraction:Techniques and Challenges.In Maria Teresa Pazienza,edimr,Information Extraction.SpringerVerlag,Leeture Nots in Artificial InteUigence, Room, 1997
2Valter Crescenzi, Giansalvatore Mecca.Automatic Information Extraction from Large Websites.Journal of the ACM,2004(5)
3M. Banko, M. Cafarella, S. Soderland, M. Broadhead, and O. Etzioni. Open information extraction from the Web. In Proceedings of the IJCAI, 2007
4Oren Z,Oren E.Web Document Clustering:A Feasibility Demonstration[C]. In Proceeding of ACM SIGIR'98, Melbourne Australia, 1998
5Embley D.Campbell D,Jiang S.et al.Conceptual-modelbased data extraction from multiple record web pages [J]. Data and Knowledge Engineering, 1999(3 )
6Embley D,Jiang Y,Ng Y-K.Record-Boundary Discovery in Web Documents[C]. In Proceeding of the 1999 ACM SIGMOD international conference, 1999
7Benjamin Habegger, Mohamed Quafafou. Building web information extraction tasks. Proceedings of the IEEE/WIC/ ACM International Conference on Web Intelligence ( WI'04 )0-7695-2100-2/04
8Dawn G. Gregg , Steven Walczak .Adaptive web information extraction, communications of the ACM ,2006( 5 )
9Chia-Hui Chang, Mohammed Kayed, Moheb Ramzy Girgis, Khaled Shaala. A Survey of Web Information Extraction Systems. IEEE transactions on knowledge and data engineering, TKDE-0475-1104.R3.