| Semantic Web Spaces: A
Coordination Middleware for the Semantic Web |
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| In a real world scenario Semantic Web
applications must be capable to cope with the large scale, distributed,
heterogeneous, unreliable and insecure environment of the World Wide Web
if they are to truly represent added value to Web users. This includes issues
of persistent storage, efficient reasoning, data mediation, scalability,
distribution of data, fault tolerance and security. Semantic Web Spaces is
a Linda-based coordination platform that aims at acting as a middleware which
fulfills the mentioned requirements. Semantic Web Spaces allows the representation
and management of Semantic Web information by extending the classical Linda
model with new types of tuples e.g. RDF statements consisting of (subject,
predicate, object) and new types of tuplespaces e.g. contexts/scopes expressing
the view of a certain agent upon the entire information space. As the tuplespace now no longer holds only data but also knowledge, the set of Linda operations is extended and refined:
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