Adaptable wrapper generation for web page format change

  • Authors:
  • Yue-Shan Chang

  • Affiliations:
  • Department of Computer Science and Information Engineering, National Taipei University, Sanhsia, Taipei county, Taiwan, R.O.C.

  • Venue:
  • ACOS'06 Proceedings of the 5th WSEAS international conference on Applied computer science
  • Year:
  • 2006

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Abstract

In this paper, we propose an adaptive wrapper generator that can generate adaptable wrapper for adapting networked information sources (NIS) format changes. When NIS's format changed, the adaptable wrapper can start recovery phase to discover the extraction rule of the new format of target NIS. The wrapper can automatically adapt the changes of content tag and accurately extract information. The wrapper is also examined in 6 websites in 3 kind of NIS, and the result shows that the average precision is over 98%. It can conclude that the generated adaptable wrapper can adapt the NIS's format changes and accurately extract information.