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ICML
2010
IEEE
13 years 10 months ago
Interactive Submodular Set Cover
We introduce a natural generalization of submodular set cover and exact active learning with a finite hypothesis class (query learning). We call this new problem interactive submo...
Andrew Guillory, Jeff Bilmes
FCT
2007
Springer
14 years 3 months ago
Analysis of Approximation Algorithms for k-Set Cover Using Factor-Revealing Linear Programs
We present new combinatorial approximation algorithms for k-set cover. Previous approaches are based on extending the greedy algorithm by efficiently handling small sets. The new a...
Stavros Athanassopoulos, Ioannis Caragiannis, Chri...
LREC
2008
133views Education» more  LREC 2008»
13 years 10 months ago
Comparing Set-Covering Strategies for Optimal Corpus Design
This article is interested in the problem of the linguistic content of a speech corpus. Depending on the target task, the phonological and linguistic content of the corpus is cont...
Jonathan Chevelu, Nelly Barbot, Olivier Boëff...
ESA
2004
Springer
120views Algorithms» more  ESA 2004»
14 years 2 months ago
Solving Geometric Covering Problems by Data Reduction
We consider a scenario where stops are to be placed along an already existing public transportation network in order to improve its attractiveness for the customers. The core probl...
Steffen Mecke, Dorothea Wagner
FOCS
2008
IEEE
13 years 10 months ago
Set Covering with our Eyes Closed
Given a universe U of n elements and a weighted collection S of m subsets of U, the universal set cover problem is to a-priori map each element u ∈ U to a set S(u) ∈ S contain...
Fabrizio Grandoni, Anupam Gupta, Stefano Leonardi,...