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SIGMOD
2006
ACM
141views Database» more  SIGMOD 2006»
16 years 6 months ago
Contour map matching for event detection in sensor networks
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detect...
Wenwei Xue, Qiong Luo, Lei Chen 0002, Yunhao Liu
SIGMOD
2005
ACM
157views Database» more  SIGMOD 2005»
16 years 6 months ago
Meta-data version and configuration management in multi-vendor environments
Nearly all components that comprise modern information technology, such as Computer Aided Software Engineering (CASE) tools, Enterprise Application Integration (EAI) environments,...
John R. Friedrich
SIGMOD
2005
ACM
108views Database» more  SIGMOD 2005»
16 years 6 months ago
Guaranteeing Correctness and Availability in P2P Range Indices
New and emerging P2P applications require sophisticated range query capability and also have strict requirements on query correctness, system availability and item availability. W...
Prakash Linga, Adina Crainiceanu, Johannes Gehrke,...
SIGMOD
2004
ACM
92views Database» more  SIGMOD 2004»
16 years 6 months ago
The Price of Validity in Dynamic Networks
Massive-scale self-administered networks like Peer-to-Peer and Sensor Networks have data distributed across thousands of participant hosts. These networks are highly dynamic with ...
Mayank Bawa, Aristides Gionis, Hector Garcia-Molin...
SIGMOD
2004
ACM
142views Database» more  SIGMOD 2004»
16 years 6 months ago
Conditional Selectivity for Statistics on Query Expressions
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
Nicolas Bruno, Surajit Chaudhuri