522 search results - page 85 / 105 » Answering Aggregation Queries in a Secure System Model |
PLDI
2005
ACM
14 years 1 months ago
2005
ACM
Ad-hoc networks of mobile devices such as smart phones and PDAs represent a new and exciting distributed system architecture. Building distributed applications on such an architec...
ERCIMDL
2010
Springer
13 years 8 months ago
2010
Springer
A well-known challenge of information retrieval is how to infer a user's underlying information need when the input query consists of only a few keywords. Question Answering (...
FMLDO
1990
Springer
13 years 11 months ago
1990
Springer
Object-oriented database systems (ooDBMSs) are supposed to offer at least the functionality available in commercial relational DBMSs of today. One important consequence of this is...
DBSEC
2006
13 years 9 months ago
2006
We demonstrate how access control models and policies can be represented by using term rewriting systems, and how rewriting may be used for evaluating access requests and for provi...
PUK
2003
13 years 9 months ago
2003
This paper exploits the spatial representation of state space problem graphs to preprocess and enhance heuristic search engines. It combines classical AI exploration with computati...