PPChecker: plagiarism pattern checker in document copy detection

  • Authors:
  • NamOh Kang;Alexander Gelbukh;SangYong Han

  • Affiliations:
  • School of Computer Science & Engineering, Chung-Ang University, South Korea;National Polytechnic Institute, Mexico;School of Computer Science & Engineering, Chung-Ang University, South Korea

  • Venue:
  • TSD'06 Proceedings of the 9th international conference on Text, Speech and Dialogue
  • Year:
  • 2006

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Abstract

Nowadays, most of documents are produced in digital format, in which they can be easily accessed and copied Document copy detection is a very important tool for protecting the author's copyright We present PPChecker, a document copy detection system based on plagiarism pattern checking PPChecker calculates the amount of data copied from the original document to the query document, based on linguistically-motivated plagiarism patterns Experiments performed on CISI document collection show that PPChecker produces better decision information for document copy detection than existing systems.