M. Sintek, {. Elst, S. Scerri, и S. Handschuh. The Semantic Web: Research and Applications - Proceedings of 4th
European Semantic Web Conference ESWC 2007, том 4519 из LNAI, стр. 594--608. Springer, (2007)
S. Schwarz. Modeling and Retrieval of Context, Second International Workshop,
MRC 2005, Edinburgh, UK, July 31 - August 1, 2005, Revised Selected
Papers, том 3946 из Lecture Notes in Computer Science, стр. 18--33. Springer, (2006)