3778 search results - page 345 / 756 » Representing Web Graphs |
136
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DM
2008
15 years 6 months ago
2008
We characterize all of the ways to represent the wheel matroids and whirl matroids using frame matroids of signed graphs. The characterization of wheels is in terms of topological...
195
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EJC
2008
15 years 6 months ago
2008
Partially ordered sets labeled with k labels (k-posets) and their homomorphisms are examined. The homomorphicity order of k-posets is shown to be a distributive lattice. Homomorph...
186
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JSS
2008
15 years 6 months ago
2008
XML data can be represented by a tree or graph structure and XML query processing requires the information of structural relationships among nodes. The basic structural relationsh...
141
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RSA
2011
15 years 1 months ago
2011
We prove game-theoretic versions of several classical results on nonrepetitive sequences, showing the existence of winning strategies using an extension of the Local Lemma which c...
201
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
Current search engines do not support user searches for chemical entities (chemical names and formulae) beyond simple keyword searches. Usually a chemical molecule can be represen...