72 search results - page 1 / 15 » Integral trees with given nullity |
RSA
2011
14 years 12 days ago
2011
We consider a conditioned Galton–Watson tree and prove an estimate of the number of pairs of vertices with a given distance, or, equivalently, the number of paths of a given leng...
BMCBI
2010
14 years 9 months ago
2010
Background: The ever-increasing wealth of genomic sequence information provides an unprecedented opportunity for large-scale phylogenetic analysis. However, species phylogeny infe...
BDA
2006
14 years 11 months ago
2006
Many data on the Web are XML documents. An XML document is an unranked labelled tree. A schema for XML documents (for instance a DTD) is the specification of their internal structu...
IPCO
2010
14 years 7 months ago
2010
We present a branch-and-bound algorithm for minimizing a convex quadratic objective function over integer variables subject to convex constraints. In a given node of the enumerati...
VLDB
1998
ACM
15 years 1 months ago
1998
ACM
Classification is an important problem in data mining. Given a database of records, each with a class label, a classifier generates a concise and meaningful description for each c...