1004 search results - page 124 / 201 » Safe Constraint Queries |
INTELLCOMM
2004
Springer
14 years 2 months ago
2004
Springer
This paper proposes an approach to behaviour-based discovery of Web Services by which business rules that govern service behaviour are described as a policy. The policy is represen...
COMPSAC
1996
IEEE
14 years 29 days 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...
VLDB
1990
ACM
14 years 25 days ago
1990
ACM
In previous papers we have proposed a graphical query language for expressing traversal recursions in labelled, directed graphs. A fundamental feature of the language is the use o...
EDBTW
2006
Springer
14 years 14 days ago
2006
Springer
Abstract. While XQuery is becoming a standard, the W3C is currently discussing the features of an update language for XML, and its requirements. Therefore, time is ripe for designi...
GIS
1997
ACM
14 years 11 days ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...