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IJRR
2000
113views more  IJRR 2000»
14 years 11 months ago
Sensor-Based Exploration: The Hierarchical Generalized Voronoi Graph
The hierarchical generalized Voronoi graph (HGVG) is a new roadmap developed for sensor-based exploration in unknown environments. This paper defines the HGVG structure: a robot c...
Howie Choset, Joel W. Burdick
EJWCN
2010
119views more  EJWCN 2010»
14 years 6 months ago
Simulations of the Impact of Controlled Mobility for Routing Protocols
This paper addresses mobility control routing in wireless networks. Given a data flow request between a sourcedestination pair, the problem is to move nodes towards the best placem...
Valeria Loscrì, Enrico Natalizio, Carmelo C...
DGO
2003
111views Education» more  DGO 2003»
15 years 1 months ago
Digital Citizenship: Parameters of the Digital Divide
As part of a National Science Foundation-funded study, we analyze data from a 2002 Midwest urban random sample survey (n = 167 adults) of differential access to and uses of comput...
Stuart W. Shulman, Mack C. Shelley, Lisa Thrane
CRYPTO
2006
Springer
119views Cryptology» more  CRYPTO 2006»
15 years 3 months ago
Rankin's Constant and Blockwise Lattice Reduction
Abstract Lattice reduction is a hard problem of interest to both publickey cryptography and cryptanalysis. Despite its importance, extremely few algorithms are known. The best algo...
Nicolas Gama, Nick Howgrave-Graham, Henrik Koy, Ph...
PVLDB
2008
174views more  PVLDB 2008»
14 years 11 months ago
Relaxation in text search using taxonomies
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
Marcus Fontoura, Vanja Josifovski, Ravi Kumar, Chr...