743 search results - page 88 / 149 » Approximation Algorithms for Graph Homomorphism Problems |
CORR
2012
Springer
12 years 3 months ago
2012
Springer
In many information networks, data items – such as updates in social networks, news flowing through interconnected RSS feeds and blogs, measurements in sensor networks, route u...
JOIN
2007
13 years 7 months ago
2007
This paper is devoted to the following incremental problem. Initially, a graph and a distinguished subset of vertices, called initial group, are given. This group is connected by ...
FOCS
2003
IEEE
14 years 1 months ago
2003
IEEE
We consider the problem of clustering a collection of elements based on pairwise judgments of similarity and dissimilarity. Bansal, Blum and Chawla (in: Proceedings of 43rd FOCS, ...
FOCS
1996
IEEE
14 years 3 days ago
1996
IEEE
In the minimum path coloring problem, we are given a list of pairs of vertices of a graph. We are asked to connect each pair by a colored path. Paths of the same color must be edg...
RTA
2010
Springer
13 years 9 months ago
2010
Springer
We consider the problem of computing, out of a set C of trees and a rewrite system R, those trees in C that cannot be rewritten into a tree in C. We solve this problem for sets of ...