347 search results - page 11 / 70 » Hierarchical Collectives in MPICH2 |
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Although text categorization is a burgeoning area of IR research, readily available test collections in this field are surprisingly scarce. We describe a methodology and system (...
CCGRID
2007
IEEE
14 years 3 months ago
2007
IEEE
In the past, efficient parallel algorithms have always been developed specifically for the successive generations of parallel systems (vector machines, shared-memory machines, d...
CIARP
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. Feature selection has improved the performance of text clustering. In this paper, a local feature selection technique is incorporated in the dynamic hierarchical compact ...
NIPS
2003
13 years 10 months ago
2003
We address the problem of learning topic hierarchies from data. The model selection problem in this domain is daunting—which of the large collection of possible trees to use? We...
ICML
2008
IEEE
14 years 9 months ago
2008
IEEE
The dynamic hierarchical Dirichlet process (dHDP) is developed to model the timeevolving statistical properties of sequential data sets. The data collected at any time point are r...