Sciweavers

1782 search results - page 145 / 357
» Processing Queries over Distributed XML Databases
Sort
View
SISAP
2008
IEEE
147views Data Mining» more  SISAP 2008»
14 years 4 months ago
An Empirical Evaluation of a Distributed Clustering-Based Index for Metric Space Databases
Similarity search has been proved suitable for searching in very large collections of unstructured data objects. We are interested in efficient parallel query processing under si...
Veronica Gil Costa, Mauricio Marín, Nora Re...
SIGMOD
2008
ACM
162views Database» more  SIGMOD 2008»
14 years 10 months ago
Event queries on correlated probabilistic streams
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
Christopher Ré, Dan Suciu, Julie Letchner, ...
ICDE
2009
IEEE
127views Database» more  ICDE 2009»
15 years 6 hour ago
SbQA: A Self-Adaptable Query Allocation Process
We present a flexible query allocation framework, called Satisfaction-based Query Allocation (SbQA for short), for distributed information systems where both consumers and provider...
Jorge-Arnulfo Quiané-Ruiz, Patrick Valdurie...
CCGRID
2003
IEEE
14 years 3 months ago
Leveraging Non-Uniform Resources for Parallel Query Processing
Clusters are now composed of non-uniform nodes with different CPUs, disks or network cards so that customers can adapt the cluster configuration to the changing technologies and t...
Tobias Mayr, Philippe Bonnet, Johannes Gehrke, Pra...
GIS
2007
ACM
14 years 11 months ago
Approximate order-k Voronoi cells over positional streams
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
Kostas Patroumpas, Theofanis Minogiannis, Timos K....