427 search results - page 82 / 86 » Conjunctive Query Answering in EL using a Database System |
FQAS
2006
Springer
13 years 11 months ago
2006
Springer
We consider the retrieval of XML-structured documents, and of passages from such documents, defined as elements of the XML structure. These are considered from the point of view of...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
The rise of smartphones equipped with various sensors has enabled personalization of various applications based on user contexts extracted from sensor readings. At the same time i...
ANZIIS
1996
IEEE
13 years 11 months ago
1996
IEEE
This paper describes the design and developmentof an expert system for tourist information center. The expert system was built to recommend a suitable travel schedule that satisfi...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
ALGORITHMICA
2002
13 years 7 months ago
2002
In recent years there has been an upsurge of interest in spatial databases. A major issue is how to manipulate efficiently massive amounts of spatial data stored on disk in multidi...