{"references": ["Michael Tschuggnall, Efstathios Stamatatos, Ben Verhoeven, Walter Daelemans, G\u00fcnther Specht, Benno Stein, and Martin Potthast. Overview of the Author Identification Task at PAN 2017: Style Breach Detection and Author Clustering. In Linda Cappellato, Nicola Ferro, Lorraine Goeuriot, and Thomad Mandl, editors, Working Notes Papers of the CLEF 2017 Evaluation Labs volume 1866 of CEUR Workshop Proceedings, September 2017. CEUR-WS.org. ISSN 1613-0073."]}

All documents are provided in English and may contain zero up to arbitrarily many switches (style breaches). Thereby switches of authorships may only occur at the end of sentences, i.e., not within. More information: Link