419 search results - page 15 / 84 » Using Matrix Decompositions in Formal Concept Analysis |
BCI
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper, we describe and compare three Collaborative Filtering (CF) algorithms aiming at the low-rank approximation of the user-item ratings matrix. The algorithm implemen...
CSDA
2008
13 years 7 months ago
2008
It is shown that any pair of scatter and spatial scatter matrices yields an estimator of the separating matrix for complex-valued independent component analysis (ICA). Scatter (re...
KDID
2004
13 years 9 months ago
2004
We are designing new data mining techniques on boolean contexts to identify a priori interesting bi-sets (i.e., sets of objects or transactions associated to sets of attributes or ...
CSMR
2004
IEEE
13 years 11 months ago
2004
IEEE
Most legacy systems have been altered due to prolonged maintenance to the point that they deviate significantly from their original and intended design and consequently, they lack...
ESWA
2006
13 years 7 months ago
2006
Multidimensional scaling (MDS) is a statistical tool for constructing a low-dimension configuration to represent the relationships among objects. In order to extend the convention...