1232 search results - page 141 / 247 » Evaluating role mining algorithms |
KDD
2010
ACM
14 years 2 months ago
2010
ACM
The process of extracting useful knowledge from large datasets has become one of the most pressing problems in today’s society. The problem spans entire sectors, from scientists...
SDM
2010
SIAM
13 years 12 months ago
2010
SIAM
Real-world relational data are seldom stationary, yet traditional collaborative filtering algorithms generally rely on this assumption. Motivated by our sales prediction problem, ...
SDM
2008
SIAM
13 years 11 months ago
2008
SIAM
In constrained clustering it is common to model the pairwise constraints as edges on the graph of observations. Using results from graph theory, we analyze such constraint graphs ...
SDM
2007
SIAM
13 years 11 months ago
2007
SIAM
Sequence segmentation is a central problem in the analysis of sequential and time-series data. In this paper we introduce and we study a novel variation to the segmentation proble...
PKDD
2010
Springer
13 years 8 months ago
2010
Springer
In this paper, we introduce a simple but efficient greedy algorithm, called SINCO, for the Sparse INverse COvariance selection problem, which is equivalent to learning a sparse Ga...