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» Applying Multiple Query Optimization in Mobile Databases
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DCOSS
2005
Springer
15 years 10 months ago
Multi-query Optimization for Sensor Networks
The widespread dissemination of small-scale sensor nodes has sparked interest in a powerful new database abstraction for sensor networks: Clients “program” the sensors through ...
Niki Trigoni, Yong Yao, Alan J. Demers, Johannes G...
PODS
2007
ACM
151views Database» more  PODS 2007»
16 years 4 months ago
Optimization of continuous queries with shared expensive filters
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
Kamesh Munagala, Utkarsh Srivastava, Jennifer Wido...
ICDE
2007
IEEE
132views Database» more  ICDE 2007»
16 years 5 months ago
Lira: Lightweight, Region-aware Load Shedding in Mobile CQ Systems
Position updates and query re-evaluations are two predominant, costly components of processing location-based, continual queries (CQs) in mobile systems. To obtain high-quality qu...
Bugra Gedik, Ling Liu, Kun-Lung Wu, Philip S. Yu
DOLAP
2000
ACM
15 years 8 months ago
Comparing Nested GPSJ Queries in Multidimensional Databases
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
Matteo Golfarelli, Stefano Rizzi
FOCS
2010
IEEE
15 years 2 months ago
A Multiplicative Weights Mechanism for Privacy-Preserving Data Analysis
Abstract--We consider statistical data analysis in the interactive setting. In this setting a trusted curator maintains a database of sensitive information about individual partici...
Moritz Hardt, Guy N. Rothblum