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» The Guarding Problem - Complexity and Approximation
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XSYM
2009
Springer
136views Database» more  XSYM 2009»
14 years 2 months ago
Optimizing XML Compression
Abstract. The eXtensible Markup Language (XML) provides a powerful and flexible means of encoding and exchanging data. As it turns out, its main advantage as an encoding format (n...
Gregory Leighton, Denilson Barbosa
CIKM
2009
Springer
14 years 2 months ago
Evaluating top-k queries over incomplete data streams
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
Parisa Haghani, Sebastian Michel, Karl Aberer
MM
2009
ACM
160views Multimedia» more  MM 2009»
14 years 2 months ago
On statistical multiplexing of variable-bit-rate video streams in mobile systems
We consider the problem of broadcasting multiple variable-bit-rate (VBR) video streams from a base station to many mobile devices over a wireless network, so that: (i) perceived q...
Cheng-Hsin Hsu, Mohamed Hefeeda
CISS
2008
IEEE
14 years 2 months ago
Appropriate control of wireless networks with flow level dynamics
Abstract— We consider the network control problem for wireless networks with flow level dynamics under the general k-hop interference model. In particular, we investigate the co...
Long Le, Ravi R. Mazumdar
ICRA
2008
IEEE
136views Robotics» more  ICRA 2008»
14 years 2 months ago
Modeling multi-robot interaction using generalized occupancy grids, with application to reducing spatial interference
— As part of a program to find methods of reducing spatial interference in multi-robot systems, we propose the Interaction Grid (IG), a generalization of the Occupancy Grid that...
Mauricio Zuluaga, Richard T. Vaughan