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ICDE
2010
IEEE
271views Database» more  ICDE 2010»
16 years 7 months ago
Preference Queries in Large Multi-Cost Transportation Networks
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
Kyriakos Mouratidis, Yimin Lin, Man Lung Yiu
ICDE
2010
IEEE
170views Database» more  ICDE 2010»
16 years 7 months ago
Workload Driven Index Defragmentation
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
Manoj Syamala, Vivek R. Narasayya
PERCOM
2008
ACM
16 years 6 months ago
Estimating the Energy Consumption in Pervasive Java-Based Systems
We define and evaluate a framework for estimating the energy consumption of pervasive Java-based software systems. The framework's primary objective is to enable an engineer ...
Chiyoung Seo, Sam Malek, Nenad Medvidovic
PERCOM
2005
ACM
16 years 6 months ago
Policy-Driven Data Dissemination for Context-Aware Applications
Context-aware pervasive-computing applications require continuous monitoring of their physical and computational environment to make appropriate adaptation decisions in time. The ...
Guanling Chen, David Kotz
MOBISYS
2006
ACM
16 years 6 months ago
Using smart triggers for improved user performance in 802.11 wireless networks
The handoff algorithms in the current generation of 802.11 networks are primarily reactive in nature, because they wait until the link quality degrades substantially to trigger a ...
Vivek Mhatre, Konstantina Papagiannaki