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» On Shadows Of Intersecting Families
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PODC
2005
ACM
14 years 1 months ago
Quorum placement in networks to minimize access delays
A quorum system is a family of sets (themselves called quorums), each pair of which intersect. In many distributed algorithms, the basic unit accessed by a client is a quorum of n...
Anupam Gupta, Bruce M. Maggs, Florian Oprea, Micha...
GROUP
2009
ACM
14 years 3 days ago
Musical fingerprints: collaboration around home media collections
As people collect more and more digital music, photos, and video, the growing scale of the collection challenges how families share and collaborate around home media collections. ...
Robin Sease, David W. McDonald
JSYML
2010
120views more  JSYML 2010»
13 years 2 months ago
First order properties on nowhere dense structures
A set A of vertices of a graph G is called d-scattered in G if no two d-neighborhoods of (distinct) vertices of A intersect. In other words, A is d-scattered if no two distinct ver...
Jaroslav Nesetril, Patrice Ossona de Mendez
CORR
2012
Springer
218views Education» more  CORR 2012»
12 years 3 months ago
On the Hardness of Welfare Maximization in Combinatorial Auctions with Submodular Valuations
We present a new type of monotone submodular functions: multi-peak submodular functions. Roughly speaking, given a family of sets F, we construct a monotone submodular function f ...
Shahar Dobzinski, Jan Vondrák