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SIGMOD
2006
ACM
127views Database» more  SIGMOD 2006»
16 years 6 months ago
Query evaluation using overlapping views: completeness and efficiency
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
Gang Gou, Maxim Kormilitsin, Rada Chirkova
AUTOMATICA
2008
116views more  AUTOMATICA 2008»
15 years 6 months ago
A dynamical systems approach to weighted graph matching
Graph matching is a fundamental problem that arises frequently in the areas of distributed control, computer vision, and facility allocation. In this paper, we consider the optimal...
Michael M. Zavlanos, George J. Pappas
ICDE
2007
IEEE
142views Database» more  ICDE 2007»
16 years 23 days ago
Database Virtualization: A New Frontier for Database Tuning and Physical Design
Resource virtualization is currently being employed at all levels of the IT infrastructure to improve provisioning and manageability, with the goal of reducing total cost of owner...
Ahmed A. Soror, Ashraf Aboulnaga, Kenneth Salem
WCNC
2008
IEEE
16 years 24 days ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman
CVPR
2009
IEEE
17 years 1 months ago
Recognition of Repetitive Sequential Human Activity
We present a novel framework for recognizing repetitive sequential events performed by human actors with strong temporal dependencies and potential parallel overlap. Our solutio...
Akira Yanagawa, Arun Hampapur, Quanfu Fan, Russell...