574 search results - page 3 / 115 » Approximation Algorithms for Free-Label Maximization |
ALGOSENSORS
2010
Springer
13 years 4 months ago
2010
Springer
We study the problem of maximizing the lifetime of a sensor network assigned to monitor a given area. Our main result is a linear time dual approximation algorithm that comes arbit...
FOCS
2008
IEEE
13 years 6 months ago
2008
IEEE
In this paper we consider the following maximum budgeted allocation (MBA) problem: Given a set of m indivisible items and n agents; each agent i willing to pay bij on item j and w...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
We consider the problem of maximizing a nonnegative (possibly non-monotone) submodular set function with or without constraints. Feige et al. [9] showed a 2/5-approximation for th...
PODS
2011
ACM
12 years 8 months ago
2011
ACM
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
JMLR
2012
11 years 7 months ago
2012
Bisubmodularity extends the concept of submodularity to set functions with two arguments. We show how bisubmodular maximization leads to richer value-of-information problems, usin...