J. Breslin, A. Harth, U. Bojars, и S. Decker. European Semantic Web Conference (ESWC), том 3532 из Lecture Notes on Computer Science, стр. 500-514. Springer, (2005)
R. Baumgartner, N. Henze, и M. Herzog. European Semantic Web Conference (ESWC), том 3532 из Lecture Notes on Computer Science, стр. 515-530. Springer, (2005)