433 search results - page 55 / 87 » A greedy approximation algorithm for the group Steiner probl... |
PODS
2011
ACM
12 years 11 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...
CORR
1999
Springer
13 years 8 months ago
1999
Springer
Abstract. Nearest neighbor searching is a fundamental computational problem. A set of n data points is given in real d-dimensional space, and the problem is to preprocess these poi...
ICCV
2005
IEEE
14 years 2 months ago
2005
IEEE
This paper presents an efficient algorithm for image segmentation and a framework for perceptual grouping. It makes an attempt to provide one way of combining bottomup and top-do...
WWW
2011
ACM
13 years 3 months ago
2011
ACM
In this work, we study the notion of competing campaigns in a social network. By modeling the spread of influence in the presence of competing campaigns, we provide necessary too...
HICSS
2008
IEEE
14 years 3 months ago
2008
IEEE
A technique for clustering data by common attribute values involves grouping rows and columns of a binary matrix to make the minimum number of submatrices all 1’s. As binary mat...