3396 search results - page 348 / 680 » Tree representations of graphs |
166
click to vote
CONSTRAINTS
2010
15 years 6 months ago
2010
Abstract. We present three constraint models of the problem of finding a graceful labelling of a graph, or proving that the graph is not graceful. An experimental comparison of the...
169
click to vote
JDA
2008
15 years 6 months ago
2008
Suppose that each vertex of a graph G is either a supply vertex or a demand vertex and is assigned a positive real number, called the supply or the demand. Each demand vertex can ...
160
click to vote
TIT
1998
15 years 6 months ago
1998
—We investigate a new class of codes for the optimal covering of vertices in an undirected graph Gsuch that any vertex in G can be uniquely identified by examining the vertices ...
248
click to vote
SAMT
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. The Semantic Web has recently seen a rise of large knowledge bases (such as DBpedia) that are freely accessible via SPARQL endpoints. The structured representation of the...
165
click to vote
CONTEXT
2007
Springer
16 years 27 days ago
2007
Springer
Contextual Graphs are a context-based formalism used in various real-world applications. They allow a uniform representation of elements of reasoning and of contexts for describing...