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» Investigating human-computer optimization
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IVC
2007
114views more  IVC 2007»
14 years 9 months ago
Evaluation of a convex relaxation to a quadratic assignment matching approach for relational object views
We introduce a convex relaxation approach for the quadratic assignment problem to the field of computer vision. Due to convexity, a favourable property of this approach is the ab...
Christian Schellewald, Stefan Roth, Christoph Schn...
JAIR
2007
107views more  JAIR 2007»
14 years 9 months ago
Compressed Pattern Databases
A pattern database (PDB) is a heuristic function implemented as a lookup table that stores the lengths of optimal solutions for subproblem instances. Standard PDBs have a distinct...
Ariel Felner, Richard E. Korf, Ram Meshulam, Rober...
TKDE
2008
155views more  TKDE 2008»
14 years 9 months ago
Incremental Maintenance of Online Summaries Over Multiple Streams
We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent en...
Fatih Altiparmak, Ertem Tuncel, Hakan Ferhatosmano...
TMC
2008
146views more  TMC 2008»
14 years 9 months ago
General Network Lifetime and Cost Models for Evaluating Sensor Network Deployment Strategies
In multihop wireless sensor networks that are often characterized by many-to-one (convergecast) traffic patterns, problems related to energy imbalance among sensors often appear. S...
Zhao Cheng, Mark A. Perillo, Wendi B. Heinzelman
TMC
2008
114views more  TMC 2008»
14 years 9 months ago
Toward Reliable and Efficient Reporting in Wireless Sensor Networks
Energy efficiency is one of the major concerns in wireless sensor networks, since it impacts the network lifetime. In this paper, we investigate the relationship between sensor net...
Fatma Bouabdallah, Nizar Bouabdallah, Raouf Boutab...