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» Elements of the Theory of Computation
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FOCS
2009
IEEE
15 years 6 months ago
Agnostic Learning of Monomials by Halfspaces Is Hard
— We prove the following strong hardness result for learning: Given a distribution on labeled examples from the hypercube such that there exists a monomial (or conjunction) consi...
Vitaly Feldman, Venkatesan Guruswami, Prasad Ragha...
FOCS
2009
IEEE
15 years 6 months ago
Approximation Algorithms for Multicommodity-Type Problems with Guarantees Independent of the Graph Size
— Linial, London and Rabinovich [16] and Aumann and Rabani [3] proved that the min-cut max-flow ratio for general maximum concurrent flow problems (when there are k commodities...
Ankur Moitra
SEMCO
2009
IEEE
15 years 6 months ago
LexPar: A Freely Available English Paraphrase Lexicon Automatically Extracted from FrameNet
—This is a paper about a new resource, namely an English paraphrase dictionary extracted from the FrameNet lexicon and its example data base. I. THE LEXPAR PARAPHRASE DICTIONARY ...
Bob Coyne, Owen Rambow
INFOCOM
2009
IEEE
15 years 5 months ago
Null Keys: Limiting Malicious Attacks Via Null Space Properties of Network Coding
—The performance of randomized network coding can suffer significantly when malicious nodes corrupt the content of the exchanged blocks. Previous work have introduced error corr...
Elias Kehdi, Baochun Li
ATAL
2009
Springer
15 years 5 months ago
Combinatorial prediction markets for event hierarchies
We study combinatorial prediction markets where agents bet on the sum of values at any tree node in a hierarchy of events, for example the sum of page views among all the children...
Mingyu Guo, David M. Pennock
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