446 search results - page 69 / 90 » Randomization in Privacy-Preserving Data Mining |
SDM
2011
SIAM
13 years 24 days ago
2011
SIAM
Sparse principal component analysis (PCA) imposes extra constraints or penalty terms to the standard PCA to achieve sparsity. In this paper, we first introduce an efficient algor...
KDD
2004
ACM
14 years 10 months ago
2004
ACM
Unsupervised clustering can be significantly improved using supervision in the form of pairwise constraints, i.e., pairs of instances labeled as belonging to same or different clu...
KDD
2003
ACM
14 years 10 months ago
2003
ACM
We are interested in finding natural communities in largescale linked networks. Our ultimate goal is to track changes over time in such communities. For such temporal tracking, we...
ICDM
2009
IEEE
14 years 4 months ago
2009
IEEE
—Applying the concept of organizational structure to social network analysis may well represent the power of members and the scope of their power in a social network. In this pap...
SDM
2007
SIAM
13 years 11 months ago
2007
SIAM
Time series are difficult to monitor, summarize and predict. Segmentation organizes time series into few intervals having uniform characteristics (flatness, linearity, modality,...