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CIKM
2007
Springer
13 years 11 months ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
In recent years, there has been a prevalence of search engines being employed to find useful information in the Web as they efficiently explore hyperlinks between web pages which ...
DNIS
2010
Springer
13 years 10 months ago
2010
Springer
Access control for relational databases is a well researched area. An SQL query is allowed or denied access to database according to the specified access control policy. On the oth...
COMPSAC
1996
IEEE
13 years 11 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...