J. Lehmann, B. Gonçalves, J. Ramasco, und C. Cattuto. Proceedings of the 21st International Conference on World Wide Web, Seite 251--260. New York, NY, USA, ACM, (2012)
J. Lehmann, B. Goncalves, J. Ramasco, und C. Cattuto. Proceedings of the 21st international conference on World Wide Web, Seite 251--260. New York, NY, USA, ACM, (2012)
B. Berstel. TIME '02: Proceedings of the Ninth International Symposium on Temporal
Representation and Reasoning (TIME'02), Seite 49-51. Washington, DC, USA, IEEE Computer Society, (2002)