1232 search results - page 153 / 247 » Evaluating role mining algorithms |
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
This paper addresses a noise suppression problem, namely the estimation of non-stationary noise sequences. In this problem, we assume that non-stationary noise can be decomposed i...
WSDM
2010
ACM
14 years 8 months ago
2010
ACM
Queries describe the users' search intent and therefore they play an essential role in the context of ranking for information retrieval and Web search. However, most of exist...
SDM
2008
SIAM
14 years 2 days ago
2008
SIAM
Most clustering algorithms produce a single clustering for a given data set even when the data can be clustered naturally in multiple ways. In this paper, we address the difficult...
DATAMINE
1999
13 years 10 months ago
1999
Discovery of frequent patterns has been studied in a variety of data mining settings. In its simplest form, known from association rule mining, the task is to discover all frequent...
AUSAI
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. Quantified Boolean formulas (QBFs) play an important role in artificial intelligence subjects, specially in planning, knowledge representation and reasoning [20]. In th...