Stefan Dietze Alessio Gugliotta John Domingue Conceptual Situation Spaces for Semantic Situation-Driven Processes. 599-613 2008 ESWC http://dx.doi.org/10.1007/978-3-540-68234-9_44 conf/esws/2008 db/conf/esws/eswc2008.html#DietzeGD08