1232 search results - page 196 / 247 » Evaluating role mining algorithms |
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...
KDD
2003
ACM
14 years 8 months ago
2003
ACM
Airlines routinely overbook flights based on the expectation that some fraction of booked passengers will not show for each flight. Accurate forecasts of the expected number of no...
KDD
2002
ACM
14 years 8 months ago
2002
ACM
Traditional intrusion detection systems (IDS) detect attacks by comparing current behavior to signatures of known attacks. One main drawback is the inability of detecting new atta...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
Web search engines are traditionally evaluated in terms of the relevance of web pages to individual queries. However, relevance of web pages does not tell the complete picture, si...