574 search results - page 69 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
P2P
2009
IEEE
14 years 2 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 9 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...
VLDB
2007
ACM
14 years 8 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...
ICDT
2011
ACM
12 years 11 months ago
2011
ACM
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...