New Issues in Near-duplicate Detection

  • Martin Potthast
  • Benno Stein
Part of the Studies in Classification, Data Analysis, and Knowledge Organization book series (STUDIES CLASS)

Abstract

Near-duplicate detection is the task of identifying documents with almost identical content. The respective algorithms are based on fingerprinting; they have attracted considerable attention due to their practical significance for Web retrieval systems, plagiarism analysis, corporate storage maintenance, or social collaboration and interaction in the World Wide Web.

Our paper presents both an integrative view as well as new aspects from the field of nearduplicate detection: (i) Principles and Taxonomy. Identification and discussion of the principles behind the known algorithms for near-duplicate detection, (ii) Corpus Linguistics. Presentation of a corpus that is specifically suited for the analysis and evaluation of near-duplicate detection algorithms. The corpus is public and may serve as a starting point for a standardized collection in this field. (iii) Analysis and Evaluation. Comparison of state-of-the-art algorithms for near-duplicate detection with respect to their retrieval properties. This analysis goes beyond existing surveys and includes recent developments from the field of hash-based search.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Martin Potthast
    • 1
  • Benno Stein
    • 1
  1. 1.Bauhaus University WeimarWeimarGermany

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