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» Data Reduction Using Multiple Models Integration
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217
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SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
16 years 4 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang
113
Voted
FSEN
2009
Springer
15 years 10 months ago
A Timed Calculus for Wireless Systems
We propose a timed process calculus for wireless systems exposed to communication collisions. The operational semantics of our calculus is given in terms of a labelled transition ...
Massimo Merro, Eleonora Sibilio
142
Voted
MCAM
2007
Springer
238views Multimedia» more  MCAM 2007»
15 years 10 months ago
A Three-Level Scheme for Real-Time Ball Tracking
A three-level method is proposed to achieve robust and real-time ball tracking in soccer videos. It includes object-, intra-trajectory-, and intertrajectory-level processing. Due t...
Xiaofeng Tong, Tao Wang, Wenlong Li, Yimin Zhang, ...
147
Voted
DSD
2006
IEEE
113views Hardware» more  DSD 2006»
15 years 10 months ago
Lifetime Analysis in Heterogeneous Sensor Networks
Wireless sensor networks (WSN) are composed of battery-driven communication entities performing multiple, usually different tasks. In order to complete a given task, all sensor no...
Falko Dressler, Isabel Dietrich
VISUALIZATION
2003
IEEE
15 years 9 months ago
Visualizing Spatial and Temporal Variability in Coastal Observatories
In this paper, we describe a set of 3D and 4D visualization tools and techniques for CORIE, a complex environmental observation and forecasting system (EOFS) for the Columbia Rive...
Walter Jiménez, Wagner Toledo Corrêa,...