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IEEECSA
2009
15 years 3 months ago
Improved Query Plans for Unnesting Nested SQL Queries
- The SQL language allows users to express queries that have nested subqueries in them. Optimization of nested queries has received considerable attention over the last few years. ...
Pranav Khaitan, Satish Kumar M, Korra Sathya Babu,...
CORR
2010
Springer
258views Education» more  CORR 2010»
15 years 2 months ago
A Non-Cooperative Game Theoretical Approach For Power Control In Virtual MIMO Wireless Sensor Network
Power management is one of the vital issue in wireless sensor networks, where the lifetime of the network relies on battery powered nodes. Transmitting at high power reduces the l...
R. Valli, P. Dananjayan
BWCCA
2010
15 years 1 months ago
Lifetime Security Improvement in Wireless Sensor Network Using Queue-Based Techniques
A wireless sensor network (WSN) is envisioned as a cluster of tiny power-constrained devices with functions of sensing and communications. Sensors closer to a sink node have a larg...
Fuu-Cheng Jiang, Hsiang-Wei Wu, Der-Chen Huang, Ch...
COMGEO
2012
ACM
14 years 1 months ago
Routing multi-class traffic flows in the plane
We study a class of multi-commodity flow problems in geometric domains: For a given planar domain P populated with obstacles (holes) of K ≥ 2 types, compute a set of thick path...
Joondong Kim, Joseph S. B. Mitchell, Valentin Poli...
ATAL
2009
Springer
16 years 23 days ago
Caching schemes for DCOP search algorithms
Distributed Constraint Optimization (DCOP) is useful for solving agent-coordination problems. Any-space DCOP search algorithms require only a small amount of memory but can be spe...
William Yeoh, Pradeep Varakantham, Sven Koenig