1232 search results - page 139 / 247 » Evaluating role mining algorithms |
AAAI
1994
13 years 11 months ago
1994
The ability to answer prediction questions is crucial to reasoning about physical systems. A prediction question poses a hypothetical scenario and asks for the resulting behavior ...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
Presence of duplicate documents in the World Wide Web adversely affects crawling, indexing and relevance, which are the core building blocks of web search. In this paper, we pres...
GFKL
2005
Springer
14 years 3 months ago
2005
Springer
One of the key challenges in large information systems such as online shops and digital libraries is to discover the relevant knowledge from the enormous volume of information. Rec...
KDD
2008
ACM
14 years 10 months ago
2008
ACM
We propose a family of novel cost-sensitive boosting methods for multi-class classification by applying the theory of gradient boosting to p-norm based cost functionals. We establ...
ICDM
2008
IEEE
14 years 4 months ago
2008
IEEE
We study the problem of clustering uncertain objects whose locations are described by probability density functions (pdf). We show that the UK-means algorithm, which generalises t...