A Privacy Preference Ontology (PPO) for Linked Data

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Provided by: RWTH Aachen University
Topic: Data Management
Format: PDF
Linked data enables people to access other users' data stored in several places, distributed across the Web. Current linked data mechanisms mostly provide an open environment where all data is freely accessible, which could discourage some people to provide sensitive data in the Linking Open Data (LOD) cloud. Although the existing Web Access Control (WAC) vocabulary restricts RDF documents to specified users, it does not provide fine-grained privacy measures which specify complex restrictions to access the data.
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