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157
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ESWS
2008
Springer
15 years 5 months ago
Querying Distributed RDF Data Sources with SPARQL
Integrated access to multiple distributed and autonomous RDF data sources is a key challenge for many semantic web applications. As a reaction to this challenge, SPARQL, the W3C Re...
Bastian Quilitz, Ulf Leser
199
Voted
ICDE
1998
IEEE
153views Database» more  ICDE 1998»
16 years 4 months ago
Flattening an Object Algebra to Provide Performance
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
Peter A. Boncz, Annita N. Wilschut, Martin L. Kers...
125
Voted
DMSN
2009
ACM
15 years 10 months ago
Validated cost models for sensor network queries
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...
129
Voted
AAAI
1998
15 years 4 months ago
Optimizing Information Agents by Selectively Materializing Data
We present an approach for optimizing the performance of information agents by materializing useful information . A critical problem with information agents, particularly those ga...
Naveen Ashish
RSCTC
2000
Springer
143views Fuzzy Logic» more  RSCTC 2000»
15 years 7 months ago
On Efficient Construction of Decision Trees from Large Databases
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
Hung Son Nguyen