1232 search results - page 75 / 247 » Evaluating role mining algorithms |
ICDM
2005
IEEE
14 years 3 months ago
2005
IEEE
In this paper, we formulate the problem of summarization of a dataset of transactions with categorical attributes as an optimization problem involving two objective functions - co...
SIGIR
2012
ACM
12 years 15 days ago
2012
ACM
Most queries in web search are ambiguous and multifaceted. Identifying the major senses and facets of queries from search log data, referred to as query subtopic mining in this pa...
DAWAK
2004
Springer
14 years 3 months ago
2004
Springer
Clustering is a difficult problem especially when we consider the task in the context of a data stream of categorical attributes. In this paper, we propose SCLOPE, a novel algorith...
KDD
2004
ACM
14 years 10 months ago
2004
ACM
Dimension reduction is a critical data preprocessing step for many database and data mining applications, such as efficient storage and retrieval of high-dimensional data. In the ...
AE
2005
Springer
14 years 3 months ago
2005
Springer
This work proposes a new rule pruning procedure for Ant-Miner, an Ant Colony algorithm that discovers classification rules in the context of data mining. The performance of Ant-Min...