1008 search results - page 45 / 202 » Logic and Databases |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
In this paper, three techniques to implement logical OIDs are thoroughly evaluated: hashing, B-trees and a technique called direct mapping. Among these three techniques, direct ma...
LISP
2008
13 years 7 months ago
2008
We describe the use of a flexible meta-interpreter for performing access control checks on deductive databases. The meta-program is implemented in Prolog and takes as input a datab...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
The AquaLogic Data Services Platform (ALDSP) is a BEA middleware platform for creating services that access and manipulate information drawn from multiple heterogeneous sources of ...