56 search results - page 1 / 12 » On Matrix Representations of Participation Constraints |
ER
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. We discuss the existence of matrix representations for generalised and minimum participation constraints which are frequently used in database design and conceptual model...
CORR
2004
Springer
13 years 4 months ago
2004
Springer
Non-negative matrix factorization (NMF) is a recently developed technique for finding parts-based, linear representations of non-negative data. Although it has successfully been a...
IJON
2008
13 years 5 months ago
2008
Discovering a representation that allows auditory data to be parsimoniously represented is useful for many machine learning and signal processing tasks. Such a representation can ...
SARA
2009
Springer
13 years 11 months ago
2009
Springer
We present algorithms for testing the satisfiability and finding the tightened transitive closure of conjunctions of addition constraints of the form ±x ± y ≤ d and bound co...
CVPR
2001
IEEE
14 years 7 months ago
2001
IEEE
In this paper, we propose a novel method, called local nonnegative matrix factorization (LNMF), for learning spatially localized, parts-based subspace representation of visual pat...