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» On the Subgroup Distance Problem
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JAL
2006
175views more  JAL 2006»
15 years 6 months ago
Approximations for minimum and min-max vehicle routing problems
: We consider a variety of vehicle routing problems. The input to a problem consists of a graph G = (N, E) and edge lengths l(e) e E. Customers located at the vertices have to be ...
Esther M. Arkin, Refael Hassin, Asaf Levin
ECAI
2006
Springer
15 years 10 months ago
Self-Organizing Multiagent Approach to Optimization in Positioning Problems
The facility positioning3 problem concerns the location of facilities such as bus-stops, fire stations, schools, so as to optimize one or several objectives. This paper contributes...
Sana Moujahed, Olivier Simonin, Abderrafiaa Koukam...
CVPR
2009
IEEE
17 years 1 months ago
Learning Semantic Visual Vocabularies Using Diffusion Distance
In this paper, we propose a novel approach for learning generic visual vocabulary. We use diffusion maps to au-tomatically learn a semantic visual vocabulary from ab-undant quantiz...
Jingen Liu (University of Central Florida), Yang Y...
STOC
2003
ACM
117views Algorithms» more  STOC 2003»
16 years 6 months ago
Distinct distances in three and higher dimensions
Improving an old result of Clarkson et al., we show that the number of distinct distances determined by a set P of n points in three-dimensional space is (n77/141) = (n0.546 ), fo...
Boris Aronov, János Pach, Micha Sharir, G&a...
MHCI
2009
Springer
16 years 25 days ago
Hoverflow: exploring around-device interaction with IR distance sensors
By equipping a mobile device with distance sensing capabilities, we aim to expand the interaction possibilities of mobile and wearable devices beyond the confines of the physical ...
Sven G. Kratz, Michael Rohs