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STOC
1998
ACM
129views Algorithms» more  STOC 1998»
13 years 11 months ago
Planar Map Graphs
We introduce and study a modi ed notion of planarity, in which two regions of a map are considered adjacent when they share any point of their boundaries not an edge, as standard...
Zhi-Zhong Chen, Michelangelo Grigni, Christos H. P...
INTERNET
2006
150views more  INTERNET 2006»
13 years 7 months ago
Shopbots: A Syntactic Present, A Semantic Future
: The huge growth of e-commerce has had a profound impact on users who can now choose from an ever increasing number of options online. Inevitably, as the number of choices has inc...
Maria Fasli
CORR
2007
Springer
75views Education» more  CORR 2007»
13 years 7 months ago
On Ullman's theorem in computer vision
Both in the plane and in space, we invert the nonlinear Ullman transformation for 3 points and 3 orthographic cameras. While Ullman’s theorem assures a unique reconstruction mod...
Oliver Knill, Jose Ramirez-Herran
FUIN
2007
93views more  FUIN 2007»
13 years 7 months ago
Finitary Compositions of Two-way Finite-State Transductions
Abstract. The hierarchy of arbitrary compositions of two-way nondeterministic finite-state transductions collapses when restricted to finitary transductions, i.e., transductions ...
Joost Engelfriet, Hendrik Jan Hoogeboom
JSAC
2008
120views more  JSAC 2008»
13 years 7 months ago
Optimal joint probing and transmission strategy for maximizing throughput in wireless systems
Abstract-- In broadcast fading channel, channel variations can be exploited through what is referred to as multiuser diversity and opportunistic scheduling for improving system per...
Prasanna Chaporkar, Alexandre Proutiére