142 search results - page 12 / 29 » Matrix Trees |
CORR
2011
Springer
14 years 6 months ago
2011
Springer
This paper studies the “explanation problem” for tree- and linearly-ordered array data, a problem motivated by database applications and recently solved for the one-dimensiona...
BMCBI
2007
14 years 12 months ago
2007
Background: Protein-protein interactions are critical for cellular functions. Recently developed computational approaches for predicting protein-protein interactions utilize co-ev...
ICPR
2004
IEEE
16 years 25 days ago
2004
IEEE
In this paper, an original solution for shape representation is proposed which relies on a spatial partitioning approach. The representation selects a discrete set of reference po...
108
click to vote
APPROX
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. We consider the problem of fitting an n × n distance matrix M by a tree metric T. We give a factor O(min{n1/p , (k log n)1/p }) approximation algorithm for finding the...
BMCBI
2008
14 years 12 months ago
2008
Background: The hierarchical clustering tree (HCT) with a dendrogram [1] and the singular value decomposition (SVD) with a dimension-reduced representative map [2] are popular met...