Abdel Hamid, Ossama <http://www2009.eprints.org/view/author/Abdel_Hamid=3AOssama=3A=3A.html> and Behzadi, Behshad <http://www2009.eprints.org/view/author/Behzadi=3ABehshad=3A=3A.html> and Christoph, Stefan <http://www2009.eprints.org/view/author/Christoph=3AStefan=3A=3A.html> and Henzinger, Monika <http://www2009.eprints.org/view/author/Henzinger=3AMonika=3A=3A.html> (2009) Detecting the Origin of Text Segments Efficiently. In: 18th International World Wide Web Conference, April 20th-24th, 2009, Madrid, Spain.