The 15^th International Workshop on Conceptual Structures ICCS 2007 brings together numerous discussions between international groups of researchers from the field of Information and Communications Technology (ICT). At ICCS 2007 some of the world’s best minds in information technology, arts, humanities and social science will meet to explore novel ways that ICT can augment human intelligence.

The ICCS 2007 workshops include, Rough sets and data mining, Ubiquitous and collaborative computing and Semantic information retrieval. These different workshops provide a platform for dissemination and exploitation of international research and development projects and business applications.