1232 search results - page 111 / 247 » Evaluating role mining algorithms |
PAKDD
2009
ACM
14 years 5 months ago
2009
ACM
Abstract. An object o of a database D is called a hot item, if there is a sufficiently large population of other objects in D that are similar to o. In other words, hot items are ...
ICDM
2007
IEEE
14 years 4 months ago
2007
IEEE
Constrained pattern mining extracts patterns based on their individual merit. Usually this results in far more patterns than a human expert or a machine learning technique could m...
ACL
2006
13 years 11 months ago
2006
Many algorithms have been developed to harvest lexical semantic resources, however few have linked the mined knowledge into formal knowledge repositories. In this paper, we propos...
SAC
2009
ACM
14 years 5 months ago
2009
ACM
Incorporating background knowledge into data mining algorithms is an important but challenging problem. Current approaches in semi-supervised learning require explicit knowledge p...
KDD
1999
ACM
14 years 2 months ago
1999
ACM
Most time series comparison algorithms attempt to discover what the members of a set of time series have in common. We investigate a di erent problem, determining what distinguish...