2145 search results - page 384 / 429 » Answering Queries Using Views |
149
click to vote
PODS
2008
ACM
16 years 2 months ago
2008
ACM
We present a novel definition of privacy in the framework of offline (retroactive) database query auditing. Given information about the database, a description of sensitive data, ...
135
click to vote
ICTAI
2009
IEEE
15 years 8 months 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...
126
click to vote
COMPGEOM
2006
ACM
15 years 8 months ago
2006
ACM
We present an optimal-time algorithm for computing (an implicit representation of) the shortest-path map from a fixed source s on the surface of a convex polytope P in three dime...
125
click to vote
SEMWEB
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. The shift from Web pages to Web services enables programmatic access to the near limitless information on the World Wide Web. Autonomous agents should generate concise an...
153
click to vote
PODS
2011
ACM
14 years 4 months ago
2011
ACM
In the traditional data exchange setting, source instances are restricted to be complete in the sense that every fact is either true or false in these instances. Although natural ...