181 search results - page 15 / 37 » Distributed Query Optimization in the Stack-Based Approach |
ICDCS
2008
IEEE
14 years 2 months ago
2008
IEEE
XML-based data dissemination networks are rapidly gaining momentum. In these networks XML content is routed from data producers to data consumers throughout an overlay network of ...
VLDB
2006
ACM
14 years 7 months ago
2006
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
COOPIS
2003
IEEE
14 years 27 days 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...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
VLDB
2012
ACM
12 years 3 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...