1529 search results - page 37 / 306 » Querying for meta knowledge |
178
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ECAI
2008
Springer
15 years 8 months ago
2008
Springer
Keyword-based search engines, though hugely popular, are limited when trying to answer very specific queries. The processing of search results is performed by users, rather than th...
158
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CSFW
2008
IEEE
16 years 22 days ago
2008
IEEE
DKAL is a new declarative authorization language for distributed systems. It is based on existential fixed-point logic and is considerably more expressive than existing authoriza...
209
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DLOG
2011
2011
Reasoning in Resource-Constrained Environments: a Matchmaking Engine over Relational Knowledge Bases
14 years 9 months ago
We present a framework for logic-based matchmaking on ALN ABoxes stored in a relational database. The proposed approach allows both non-standard reasoning and subsumption check be ...
256
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CSFW
2011
IEEE
14 years 6 months ago
2011
IEEE
—This paper explores the idea of knowledge-based security policies, which are used to decide whether to answer queries over secret data based on an estimation of the querier’s ...
342
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ICDE
2008
IEEE
17 years 6 months ago
2008
IEEE
The Web has the potential to become the world’s
largest knowledge base. In order to unleash this potential,
the wealth of information available on the Web needs to be
extracte...