SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
Information extraction from HTML: application of a general machine learning approach
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
Generating finite-state transducers for semi-structured data extraction from the Web
Information Systems - Special issue on semistructured data
Learning Information Extraction Rules for Semi-Structured and Free Text
Machine Learning - Special issue on natural language learning
A brief survey of web data extraction tools
ACM SIGMOD Record
Hierarchical Wrapper Induction for Semistructured Information Sources
Autonomous Agents and Multi-Agent Systems
WebOQL: Restructuring Documents, Databases, and Webs
ICDE '98 Proceedings of the Fourteenth International Conference on Data Engineering
RoadRunner: Towards Automatic Data Extraction from Large Web Sites
Proceedings of the 27th International Conference on Very Large Data Bases
XWRAP: An XML-Enabled Wrapper Construction System for Web Information Sources
ICDE '00 Proceedings of the 16th International Conference on Data Engineering
A Fully Automated Object Extraction System for the World Wide Web
ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
Web-scale information extraction in knowitall: (preliminary results)
Proceedings of the 13th international conference on World Wide Web
Information Extraction from the Web: System and Techniques
Applied Intelligence
IEEE Transactions on Knowledge and Data Engineering
Semistructured data: the TSIMMIS experience
ADBIS'97 Proceedings of the First East-European conference on Advances in Databases and Information systems
Information extraction from web tables
Proceedings of the 11th International Conference on Information Integration and Web-based Applications & Services
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The Word Wide Web has become one of the most important information repositories. However, information in web pages is free from standards in presentation and lacks being organized in a good format. It is a challenging work to extract appropriate and useful information from Web pages. Currently, many web extraction systems called web wrappers, either semi-automatic or fully-automatic, have been developed. In this paper, some existing techniques are investigated, then our current work on web information extraction is presented. In our design, we have classified the patterns of information into static and non-static structures and use different technique to extract the relevant information. In our implementation, patterns are represented with XSL files, and all the extracted information is packaged into a machine-readable format of XML.