3204 search results - page 45 / 641 » The Alcuin Number of a Graph |
ARSCOM
2008
13 years 6 months ago
2008
A total perfect code in a graph is a subset of the graph's vertices with the property that each vertex in the graph is adjacent to exactly one vertex in the subset. We prove t...
SIGMOD
2005
ACM
14 years 1 months ago
2005
ACM
Recursion represents an important addition to the SQL language. This work focuses on the optimization of linear requeries in SQL. To provide an abstract framework for discussion, ...
DAM
2011
13 years 2 months ago
2011
An arc of a graph is an oriented edge and a 3-arc is a 4-tuple (v, u, x, y) of vertices such that both (v, u, x) and (u, x, y) are paths of length two. The 3-arc graph of a graph ...
ICPR
2002
IEEE
14 years 9 months ago
2002
IEEE
The graph is an essential data structure for representing relational information. When graphs are used to represent objects, comparing objects amounts to graph matching. Inexact g...
CAIP
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. In this paper, we introduce a prototype-based clustering algorithm dealing with graphs. We propose a hypergraph-based model for graph data sets by allowing clusters overl...