95 search results - page 16 / 19 » Covering a hypergraph of subgraphs |
APPROX
2008
Springer
13 years 10 months ago
2008
Springer
Let H be a graph, and let CH(G) be the number of (subgraph isomorphic) copies of H contained in a graph G. We investigate the fundamental problem of estimating CH(G). Previous res...
MP
2007
13 years 8 months ago
2007
Given a graph with costs on the edges, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of the nodes of this graph...
DAM
2010
13 years 8 months ago
2010
For all integers k 3, we give an O(n4 ) time algorithm for the problem whose instance is a graph G of girth at least k together with k vertices and whose question is "Does G...
SODA
2012
ACM
11 years 11 months ago
2012
ACM
Kernelization algorithms are polynomial-time reductions from a problem to itself that guarantee their output to have a size not exceeding some bound. For example, d-Set Matching f...
ICPR
2006
IEEE
14 years 9 months ago
2006
IEEE
This paper presents a general framework for agglomerative hierarchical clustering based on graphs. Specifying an inter-cluster similarity measure, a subgraph of the similarity gra...