@Book{hitzler2006csiaaticocsiadjp, author = "Pascal Hitzler and Henrik Sch{\"a}rfe and Peter {\O}hrstr{\o}m", publisher = "Springer, Berlin", series = "Lecture Notes in Artificial Intelligence", title = "Conceptual Structures: Inspiration and Application. 14th International Conference on Conceptual Structures, ICCS 2006, Aalborg, Denmark, July 2006, Proceedings", volume = "4068", year = "2006", }