{"references": ["Martin Potthast, Tim Gollub, Matthias Hagen, Jan Gra\u00dfegger, Johannes Kiesel, Maximilian Michel, Arnd Oberl\u00e4nder, Martin Tippmann, Alberto Barr\u00f3n-Cede\u00f1o, Parth Gupta, Paolo Rosso, and Benno Stein. Overview of the 4th International Competition on Plagiarism Detection. In Pamela Forner, Jussi Karlgren, and Christa Womser-Hacker, editors, Working Notes Papers of the CLEF 2012 Evaluation Labs, September 2012. ISBN 978-88-904810-3-1. ISSN 2038-4963."]}

We provide you with a training corpus that consists of pairs of documents, one of which may contain passages of text resued from the other. The reused text is subject to various kinds of (automatic) obfuscation to hide the fact it has been reused.