The system is described in the following paper(s):

    Miguel Sanchez-Perez, Grigori Sidorov, Alexander Gelbukh. 
    The Winning Approach to Text Alignment for Text Reuse Detection at PAN 2014. 
    In: L. Cappellato, N. Ferro, M. Halvey, W. Kraaij (eds.). 
    Notebook for PAN at CLEF 2014. 
    CLEF 2014. CLEF2014 Working Notes. Sheffield, UK, September 15-18, 2014. 
    CEUR Workshop Proceedings, ISSN 1613-0073, Vol. 1180, CEUR-WS.org, 2014, pp. 1004–1011.
    
    (This paper can be also mistakenly indexed as “A Winning Approach to Text Alignment for Text Reuse Detection at PAN 2014”.)

    http://ceur-ws.org/Vol-1180/CLEF2014wn-Pan-SanchezPerezEt2014.pdf
    http://www.gelbukh.com/plagiarism-detection/PAN-2014/A%20Winning%20Approach%20to%20Text%20Alignment%20for%20Text%20Reuse%20Detection%20at%20PAN%202014.pdf

License: free for non-commercial academic purposes. 
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