157 search results - page 16 / 32 » Incremental Evaluation of Datalog Queries |
POLICY
2004
Springer
14 years 2 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
Recent interests on XML, Semantic Web, and Web ontology, among other topics, have sparked a renewed interest on graph-structured databases. A fundamental query on graphs is the re...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
The emergence of location-aware services calls for new real-time spatio-temporal query processing algorithms that deal with large numbers of mobile objects and queries. In this de...
CVPR
2011
IEEE
13 years 11 days ago
2011
IEEE
Most effective particular object and image retrieval approaches are based on the bag-of-words (BoW) model. All state-of-the-art retrieval results have been achieved by methods tha...