1232 search results - page 121 / 247 » Evaluating role mining algorithms |
PKDD
2009
Springer
14 years 4 months ago
2009
Springer
A frequent problem in density level-set estimation is the choice of the right features that give rise to compact and concise representations of the observed data. We present an e...
HICSS
2008
IEEE
14 years 4 months ago
2008
IEEE
—The feature selection phase is one of the first, and yet very important, tasks to be completed during the development of any Intrusion Detection System. If this phase is neglec...
ICDM
2005
IEEE
14 years 3 months ago
2005
IEEE
We consider the problem of integrating a large number of interface schemas over the Deep Web, The scale of the problem and the diversity of the sources present serious challenges ...
ICDM
2003
IEEE
14 years 3 months ago
2003
IEEE
In knowledge discovery applications, where new features are to be added, an acquisition policy can help select the features to be acquired based on their relevance and the cost of...
PAKDD
2010
ACM
14 years 3 months ago
2010
ACM
In this work, we investigate the use of online or “crawling” algorithms to sample large social networks in order to determine the most influential or important individuals wit...