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SIAMCOMP
2012
12 years 1 months ago
Randomized Competitive Algorithms for Generalized Caching
We consider online algorithms for the generalized caching problem. Here we are given a cache of size k and pages with arbitrary sizes and fetching costs. Given a request sequence ...
Nikhil Bansal, Niv Buchbinder, Joseph Naor
SIAMCOMP
2012
12 years 1 months ago
Envy-Free Makespan Approximation
Edith Cohen, Michal Feldman, Amos Fiat, Haim Kapla...
SIAMCOMP
2012
12 years 1 months ago
An Optimal Dynamic Data Structure for Stabbing-Semigroup Queries
Let S be a set of n intervals in R, and let (S, +) be any commutative semigroup. We assign a weight ω(s) ∈ S to each interval in S. For a point x ∈ R, let S(x) ⊆ S be the se...
Pankaj K. Agarwal, Lars Arge, Haim Kaplan, Eyal Mo...
SIAMCOMP
2012
12 years 1 months ago
Tabulation-Based 5-Independent Hashing with Applications to Linear Probing and Second Moment Estimation
Abstract. In the framework of Carter and Wegman, a k-independent hash function maps any k keys independently. It is known that 5independent hashing provides good expected performan...
Mikkel Thorup, Yin Zhang
SIAMCOMP
2012
12 years 1 months ago
Local Versus Global Properties of Metric Spaces
d Abstract) Sanjeev Arora∗ L´aszl´o Lov´asz† Ilan Newman‡ Yuval Rabani§ Yuri Rabinovich¶ Santosh Vempala Motivated by applications in combinatorial optimization, we ini...
Sanjeev Arora, László Lovász,...