CORR
2007
Springer
13 years 9 months ago
2007
Springer
We consider the problem of estimating the parameters of a Gaussian or binary distribution in such a way that the resulting undirected graphical model is sparse. Our approach is to...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
The k-forest problem is a common generalization of both the k-MST and the dense-k-subgraph problems. Formally, given a metric space on n vertices V , with m demand pairs ⊆ V × ...
JCSS
2008
13 years 9 months ago
2008
The cornerstone of any algorithm computing all repetitions in strings of length n in O(n) time is the fact that the number of maximal repetitions (runs) is linear. Therefore, the ...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
We present and analyse a Monte-Carlo algorithm to compute the minimal polynomial of an n × n matrix over a finite field that requires O(n3 ) field operations and O(n) random v...
JCIT
2008
13 years 9 months ago
2008
There are various web caching replacement algorithms related to reference characteristics of web objects were researched. They could be used in regard to user characteristics of c...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
Abstract—This paper presents new low-complexity lattice-decoding algorithms for noncoherent block detection of quadrature amplitude modulation (QAM) and pulse amplitude modulatio...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additi...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
Tag clouds provide an aggregate of tag-usage statistics. They are typically sent as in-line HTML to browsers. However, display mechanisms suited for ordinary text are not ideal fo...
JCB
2008
13 years 9 months ago
2008
Given a metabolic network in terms of its metabolites and reactions, our goal is to efficiently compute the minimal knock out sets of reactions required to block a given behaviour....
JCB
2008
13 years 9 months ago
2008
The spatial clustering of genes across different genomes has been used to study important problems in comparative genomics, from identification of operons to detection of homologo...