Ernesto Jiménez-Ruiz Bernardo Cuenca Grau Ian Horrocks Rafael Berlanga Llavori Building Ontologies Collaboratively Using ContentCVS. 2009 Description Logics http://ceur-ws.org/Vol-477/paper_9.pdf conf/dlog/2009 db/conf/dlog/dlog2009.html#Jimenez-RuizGHL09