2409 search results - page 145 / 482 » On Extended Regular Expressions |
106
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DM
2008
15 years 4 months ago
2008
For a simple graph G let NG(u) be the (open) neighborhood of vertex u V (G). Then G is neighborhood anti-Sperner (NAS) if for every u there is a v V (G)\{u} with NG(u) NG(v). A...
122
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ADC
2008
Springer
15 years 11 months ago
2008
Springer
Several XML query languages have been proposed that use XPath expressions to locate data. But XPath expressions might miss some data because of irregularities in the data and sche...
139
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ICPR
2002
IEEE
16 years 5 months ago
2002
IEEE
GraphGrep is an application-independent method for querying graphs, finding all the occurrences of a subgraph in a database of graphs. The interface to GraphGrep is a regular expr...
155
Voted
ICML
2009
IEEE
16 years 5 months ago
2009
IEEE
We propose a new penalty function which, when used as regularization for empirical risk minimization procedures, leads to sparse estimators. The support of the sparse vector is ty...
118
Voted
SDM
2009
SIAM
16 years 1 months ago
2009
SIAM
We introduce the problem of grammar mining, where patterns are context-free grammars, as a generalization of a large number of common pattern mining tasks, such as tree, sequence ...