1
by Fensel, Dieter, Lausen, Holger, Polleres, Axel, de Bruijn, Jos
Published 2007
Springer Berlin Heidelberg
Subjects: '; ...Information storage and retrieval systems...

2
by Fensel, Dieter
Published 2003
Springer Berlin Heidelberg
Subjects: '; ...Information storage and retrieval systems...

3
by Fensel, Dieter
Published 2003
Springer Berlin Heidelberg
Subjects: '; ...Information storage and retrieval systems...