ata are provided as such, without any warranty of consistency from the provider, and the retrievers have to make it consistent before introducing it into their own databases. Other frameworks are also different in this respect: neither the knowledge sharing (when the opportunity to modify the shared knowledge is considered) nor the software agents provide any warranty about the consistency of the knowledge they provide.
H. Meyer, und M. Weske. Service-Oriented Computing - ICSOC 2006, Volume 4294 von Lecture Notes In Computer Science, Seite 465-470. Heidelberg, Springer, (2006)