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AINA
2003
IEEE
14 years 1 months ago
Incremental Updates on Mobile Datawarehousing Using Optimized Hierarchical Views and New Aggregation Operators
The use of mobile applications is increasing rapidly. Particularly, mobile applications for decision support systems, such as mobile datawarehouses, are very attractive. However, ...
Marcus Costa Sampaio, Plácido Marinho Dias,...
WWW
2003
ACM
14 years 8 months ago
A Caching Mechanism for Improving Internet based Mobile Ad Hoc Networks Performance
Internet based mobile ad hoc networks (IMANETs) have several limitations to fulfill users' demands to access various kinds of information such as limited accessibility to the...
Sunho Lim, Seung-Taek Park, Wang-Chien Lee, Guohon...
AMW
2010
13 years 9 months ago
Multiresolution Cube Estimators for Sensor Network Aggregate Queries
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
Alexandra Meliou, Carlos Guestrin, Joseph M. Helle...
GECCO
2010
Springer
169views Optimization» more  GECCO 2010»
13 years 11 months ago
Robust symbolic regression with affine arithmetic
We use affine arithmetic to improve both the performance and the robustness of genetic programming for symbolic regression. During evolution, we use affine arithmetic to analyze e...
Cassio Pennachin, Moshe Looks, João A. de V...
CVPR
2007
IEEE
14 years 9 months ago
A boosting regression approach to medical anatomy detection
The state-of-the-art object detection algorithm learns a binary classifier to differentiate the foreground object from the background. Since the detection algorithm exhaustively s...
Shaohua Kevin Zhou, Jinghao Zhou, Dorin Comaniciu