415 search results - page 13 / 83 » Efficient Processing of Relational Queries with Sum Constrai... |
VLDB
1989
ACM
14 years 13 days ago
1989
ACM
This paper presents a parallel algorithm for recursive query processing and shows how it can be efficiently implemented in a local computer network. The algorithm relies on an int...
ICDE
2009
IEEE
13 years 6 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
CL
1999
Springer
13 years 8 months ago
1999
Springer
Van Emden's incremental queries address the inadequacy of current Prolog-style querying mechanism in most logic programming systems for interactive problem-solving. In the co...
COOPIS
2003
IEEE
14 years 1 months ago
2003
IEEE
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...