SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
The recent years have witnessed a surge of interests in Nonnegative Matrix Factorization (NMF) in data mining and machine learning fields. Despite its elegant theory and empirical...
SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
Time series motif discovery is an important problem with applications in a variety of areas that range from telecommunications to medicine. Several algorithms have been proposed t...
SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
Collaborative filtering is an important topic in data mining and has been widely used in recommendation system. In this paper, we proposed a unified model for collaborative fil...
SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
In this paper, we consider the problem of community detection in directed networks by using probabilistic models. Most existing probabilistic models for community detection are ei...
SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
The profit of a retail product not only comes from its own sales, but also comes from its influence on the sales of other products. How to promote the right products to the righ...
SDM
2010
SIAM
13 years 2 months ago
2010
SIAM
A popular approach for dimensionality reduction and data analysis is principal component analysis (PCA). A limiting factor with PCA is that it does not inform us on which of the o...
SDM
2010
SIAM
13 years 6 months ago
2010
SIAM
The problem of missing data is ubiquitous in domains such as biomedical signal processing, network traffic analysis, bibliometrics, social network analysis, chemometrics, computer...
SDM
2010
SIAM
13 years 6 months ago
2010
SIAM
Lack of labeled training examples is a common problem for many applications. In the same time, there is usually an abundance of labeled data from related tasks. But they have diff...
SDM
2010
SIAM
13 years 6 months ago
2010
SIAM
We give a permutation approach to validation (estimation of out-sample error). One typical use of validation is model selection. We establish the legitimacy of the proposed permut...