537 search results - page 4 / 108 » Privacy-Preserving Query Answering in Logic-based Informatio... |
ICTAI
2009
IEEE
14 years 27 days ago
2009
IEEE
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
SUM
2010
Springer
13 years 4 months ago
2010
Springer
Dung's abstract argumentation model consists of a set of arguments and a binary relation encoding attacks among arguments. Different acceptability semantics have been defined ...
CCS
2007
ACM
14 years 13 days ago
2007
ACM
A Distributed Information Brokering System (DIBS) is a peer-to-peer overlay network that comprises diverse data servers and brokering components helping client queries locate the ...
SIGIR
1998
ACM
13 years 10 months ago
1998
ACM
We describe the design and implementation of a system for logic-based multimedia retrieval. As highlevel logic for retrieval of hypermedia documents, we have developed a probabilis...
DKE
2010
13 years 6 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...