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VLDB
1998
ACM
101views Database» more  VLDB 1998»
15 years 3 months ago
On Optimal Node Splitting for R-trees
The problem of finding an optimal bipartition of a rectangle set has a direct impact on query performance of dynamic R-trees. During update operations, overflowed nodes need to be...
Yván J. García, Mario A. Lopez, Scot...
GECCO
2005
Springer
174views Optimization» more  GECCO 2005»
15 years 5 months ago
Coordinating multi-rover systems: evaluation functions for dynamic and noisy environments
This paper addresses the evolution of control strategies for a collective: a set of entities that collectively strives to maximize a global evaluation function that rates the perf...
Kagan Tumer, Adrian K. Agogino
SIROCCO
2007
15 years 1 months ago
Why Robots Need Maps
Abstract. A large group of autonomous, mobile entities e.g. robots initially placed at some arbitrary node of the graph has to jointly visit all nodes (not necessarily all edges) a...
Miroslaw Dynia, Jakub Lopuszanski, Christian Schin...
ICC
2011
IEEE
215views Communications» more  ICC 2011»
13 years 11 months ago
Optimal Packet Scheduling in a Broadcast Channel with an Energy Harvesting Transmitter
—In this paper, we investigate the transmission completion time minimization problem in a two-user additive white Gaussian noise (AWGN) broadcast channel, where the transmitter i...
Jing Yang, Omur Ozel, Sennur Ulukus
TIT
1998
99views more  TIT 1998»
14 years 11 months ago
Information-Theoretic Image Formation
—The emergent role of information theory in image formation is surveyed. Unlike the subject of information-theoretic communication theory, information-theoretic imaging is far fr...
Joseph A. O'Sullivan, Richard E. Blahut, Donald L....