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161
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
A profiling adversary is an adversary whose goal is to classify a population of users into categories according to messages they exchange. This adversary models the most common pr...
172
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
This paper proposes an Ontology-based Rights Expression Language, called OREL. Based on OWL Web Ontology Language, OREL allows not only users but also machines to handle digital r...
148
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
The development of the RDF[2] standard highlights the fact that a great deal of useful information is in the form of semistructured data--objects connected by relations fitting no...
162
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WWW
2001
ACM
16 years 7 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
158
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WWW
2001
ACM
16 years 7 months ago
2001
ACM
Current methods for finding relevant content, especially in media-rich web environments, suggest that metadata is critical for accurate and efficient information retrieval. We des...