799 search results - page 14 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
DPD
2002
14 years 9 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
VLDB
2001
ACM
15 years 1 months ago
2001
ACM
In this paper we propose a new framework for dynamic distributed query processing based on so-called HyperQueries which are essentially query evaluation sub-plans “sitting behin...
97
Voted
SPIRE
2009
Springer
15 years 4 months ago
2009
Springer
We propose a method to evaluate queries using a last-resort semantic cache in a distributed Web search engine. The cache stores a group of frequent queries and for each of these qu...
192
Voted
ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract-- In sensor environments and moving robot applications, the position of an object is often known imprecisely because of measurement error and/or movement of the object. In...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...