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COMPGEOM
2010
ACM
14 years 24 days ago
Lines avoiding balls in three dimensions revisited
Let B be a collection of n arbitrary balls in R3 . We establish an almost-tight upper bound of O(n3+ε ), for any ε > 0, on the complexity of the space F(B) of all the lines t...
Natan Rubin
INFOCOM
2009
IEEE
14 years 2 months ago
Online Bipartite Perfect Matching With Augmentations
—In this paper, we study an online bipartite matching problem, motivated by applications in wireless communication, content delivery, and job scheduling. In our problem, we have ...
Kamalika Chaudhuri, Constantinos Daskalakis, Rober...
ORL
2010
156views more  ORL 2010»
13 years 2 months ago
Advertisement allocation for generalized second-pricing schemes
Recently, there has been a surge of interest in algorithms that allocate advertisement space in an online revenue-competitive manner. Most such algorithms, however, assume a pay-a...
Ashish Goel, Mohammad Mahdian, Hamid Nazerzadeh, A...
PODS
2004
ACM
143views Database» more  PODS 2004»
14 years 7 months ago
Approximate Counts and Quantiles over Sliding Windows
We consider the problem of maintaining approximate counts and quantiles over fixed- and variablesize sliding windows in limited space. For quantiles, we present deterministic algo...
Arvind Arasu, Gurmeet Singh Manku
CSL
2005
Springer
14 years 1 months ago
A Propositional Proof System for Log Space
The proof system G∗ 0 of the quantified propositional calculus corresponds to NC1 , and G∗ 1 corresponds to P, but no formula-based proof system that corresponds log space rea...
Steven Perron