Open Source Software: New Horizons 6th International IFIP WG 2.13 Conference on Open Source Systems, OSS 2010, Notre Dame, IN, USA, May 30 – June 2, 2010. Proceedings - Ågerfalk, Pär; Boldyreff, Cornelia; González-Barahona, Jesús M.; Madey, Gregory R.; Noll, John (Springer Berlin Heidelberg, 2010)