OL
2010
13 years 7 months ago
2010
This article studies a degree-bounded generalization of independent sets called co-k-plexes. Constant factor approximation algorithms are developed for the maximum co-k-plex probl...
CORR
2011
Springer
13 years 7 months ago
2011
Springer
In Combinatorial Public Projects, there is a set of projects that may be undertaken, and a set of selfinterested players with a stake in the set of projects chosen. A public plann...
TALG
2010
13 years 10 months ago
2010
We introduce a facility location problem with submodular facility cost functions, and give an O(log n) approximation algorithm for it. Then we focus on a special case of submodula...
COMGEO
2002
ACM
14 years 7 days ago
2002
ACM
We present a quadtree-based decomposition of the interior of a polygon with holes. The complete decomposition yields a constant factor approximation of the minimum weight Steiner ...
FAW
2010
Springer
14 years 19 days ago
2010
Springer
We study the minimum diameter color-spanning set problem which has recently drawn some attention in the database community. We show that the problem can be solved in polynomial tim...
SODA
2007
ACM
14 years 1 months ago
2007
ACM
We study the problem of aggregating partial rankings. This problem is motivated by applications such as meta-searching and information retrieval, search engine spam fighting, e-c...
SIGECOM
2010
ACM
14 years 5 months ago
2010
ACM
The existing literature on optimal auctions focuses on optimizing the expected revenue of the seller, and is appropriate for risk-neutral sellers. In this paper, we identify good ...
FOCS
2007
IEEE
14 years 6 months ago
2007
IEEE
We show that any deterministic data-stream algorithm that makes a constant number of passes over the input and gives a constant factor approximation of the length of the longest i...
FOCS
2009
IEEE
14 years 7 months ago
2009
IEEE
We show that a k-fold covering using translates of an arbitrary convex polygon can be decomposed into Omega(k) covers (using an efficient algorithm). We generalize this result to ...
SODA
2010
ACM
14 years 9 months ago
2010
ACM