796 search results - page 120 / 160 » Approximating the centroid is hard |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
We study the problem of designing a mechanism to rank items in forums by making use of the user reviews such as thumb and star ratings. We compare mechanisms where forum users rat...
IPSN
2009
Springer
14 years 2 months ago
2009
Springer
We consider the problem of monitoring spatial phenomena, such as road speeds on a highway, using wireless sensors with limited battery life. A central question is to decide where ...
COMPGEOM
2009
ACM
14 years 2 months ago
2009
ACM
Following recent work of Clarkson, we translate the coreset framework to the problems of finding the point closest to the origin inside a polytope, finding the shortest distance...
SIGECOM
2009
ACM
14 years 2 months ago
2009
ACM
Voting trees describe an iterative procedure for selecting a single vertex from a tournament. vide a very general abstract model of decision-making among a group of individuals, a...