Sciweavers

368 search results - page 44 / 74
» Efficient exploitation of similar subexpressions for query p...
Sort
View
WWW
2004
ACM
14 years 9 months ago
Remindin': semantic query routing in peer-to-peer networks based on social metaphors
In peer-to-peer networks, finding the appropriate answer for an information request, such as the answer to a query for RDF(S) data, depends on selecting the right peer in the netw...
Christoph Tempich, Steffen Staab, Adrian Wranik
ICDE
1999
IEEE
151views Database» more  ICDE 1999»
14 years 10 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su
VLDB
1998
ACM
138views Database» more  VLDB 1998»
14 years 1 months ago
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
Clara Nippl, Bernhard Mitschang
ICWE
2010
Springer
13 years 7 months ago
Efficient Term Cloud Generation for Streaming Web Content
Large amounts of information are posted daily on the Web, such as articles published online by traditional news agencies or blog posts referring to and commenting on various events...
Odysseas Papapetrou, George Papadakis, Ekaterini I...
ICIP
2002
IEEE
14 years 10 months ago
A new and simple shape descriptor based on a non-parametric multiscale model
In this paper, we present a new and robust shape descriptor, which can be efficiently used to quickly prune a search for similar shapes in a large image database. The proposed sha...
Max Mignotte