651 search results - page 77 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
P2P
2009
IEEE
14 years 3 months ago
2009
IEEE
Distributed systems such as Peer-to-Peer overlays have been shown to efficiently support the processing of range queries over large numbers of participating hosts. In such system...
ECIR
2004
Springer
13 years 10 months ago
2004
Springer
We simulate different architectures of a distributed Information Retrieval system on a very large Web collection, in order to work out the optimal setting for a particular set of r...
CORR
2011
Springer
13 years 4 months ago
2011
Springer
—With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is ...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
We propose XRPC, a minimal XQuery extension that enables distributed yet efficient querying of heterogeneous XQuery data sources. XRPC enhances the existing concept of XQuery func...
VLDB
1994
ACM
14 years 1 months ago
1994
ACM
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...