Sciweavers

288 search results - page 33 / 58
» Continuous Query Processing in Spatio-Temporal Databases
Sort
View
SISAP
2008
IEEE
147views Data Mining» more  SISAP 2008»
14 years 3 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
2007
ACM
134views Database» more  SIGMOD 2007»
14 years 8 months ago
Updating a cracked database
A cracked database is a datastore continuously reorganized based on operations being executed. For each query, the data of interest is physically reclustered to speed-up future ac...
Stratos Idreos, Martin L. Kersten, Stefan Manegold
MOBIDE
2006
ACM
14 years 2 months ago
Boosting location-based services with a moving object database engine
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
Nikos Pelekis, Yannis Theodoridis
ICDE
2006
IEEE
147views Database» more  ICDE 2006»
14 years 2 months ago
Optimizing Multiple Queries in Distributed Data Stream Systems
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
Sangeetha Seshadri, Vibhore Kumar, Brian F. Cooper
VLDB
2007
ACM
169views Database» more  VLDB 2007»
14 years 9 months ago
Staying FIT: Efficient Load Shedding Techniques for Distributed Stream Processing
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
Nesime Tatbul, Stanley B. Zdonik, Ugur Çeti...