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» Symmetry in Decision Evaluation
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ICDE
2010
IEEE
170views Database» more  ICDE 2010»
16 years 6 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
2006
ACM
16 years 6 months ago
Avoiding privacy violations caused by context-sensitive services
The increasing availability of information about people's context makes it possible to deploy context-sensitive services, where access to resources provided or managed by a s...
Urs Hengartner, Peter Steenkiste
PERCOM
2006
ACM
16 years 6 months ago
Exploring Spatial Correlation for Link Quality Estimation in Wireless Sensor Networks
The irregularity in quality of wireless communication links poses significant research challenges in wireless sensor network design. Dynamic network conditions and environmental f...
Yingqi Xu, Wang-Chien Lee
PERCOM
2005
ACM
16 years 6 months ago
Secure context-sensitive authorization
There is a recent trend toward rule-based authorization systems to achieve flexible security policies. Also, new sensing technologies in pervasive computing make it possible to de...
Kazuhiro Minami, David Kotz