165 search results - page 12 / 33 » Computing a Nearest Correlation Matrix with Factor Structure |
DAGSTUHL
2007
13 years 9 months ago
2007
Abstract. We propose a new matrix learning scheme to extend Generalized Relevance Learning Vector Quantization (GRLVQ). By introducing a full matrix of relevance factors in the dis...
AIED
2007
Springer
14 years 1 months ago
2007
Springer
An implicit assumption in psychometrics and educational statistics is that the generative model for student scores on test questions is governed by the topics of those questions an...
SPAA
1998
ACM
13 years 12 months ago
1998
ACM
Sparse LU factorization with partial pivoting is important for many scienti c applications and delivering high performance for this problem is di cult on distributed memory machin...
PPAM
2007
Springer
14 years 1 months ago
2007
Springer
Dense linear algebra codes are often expressed and coded in terms of BLAS calls. This approach, however, achieves suboptimal performance due to the overheads associated to such cal...
SPIESR
2003
13 years 9 months ago
2003
We present a framework for analyzing the structure of digital media streams. Though our methods work for video, text, and audio, we concentrate on detecting the structure of digit...