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This paper provides a summary of the design and implementation of a prototype inference controller that operates over a provenance graph and protects important provenance information from unauthorized users. We use as our data model the Resource Description Framework (RDF), which supports the interoperability of multiple databases having disparate data schemas. In addition, we express policies and...
In view of the need for highly distributed and federated architecture, ranking ontologies from different data sources in a specific domain have great impact on the performance of web applications. Since ontologies for a same domain usually overlap, we aim to rank ontologies based on the commonality of overlapping entities and distance between each pair of ontologies. Overlapping entities are determined...
Cloud computing is the newest paradigm in the IT world and hence the focus of new research. Companies hosting cloud computing services face the challenge of handling data intensive applications. Semantic web technologies can be an ideal candidate to be used together with cloud computing tools to provide a solution. These technologies have been standardized by the World Wide Web Consortium (W3C). One...
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