1950 search results - page 336 / 390 » Informative sampling for large unbalanced data sets |
WSDM
2009
ACM
14 years 3 months ago
2009
ACM
Text streams are becoming more and more ubiquitous, in the forms of news feeds, weblog archives and so on, which result in a large volume of data. An effective way to explore the...
ICPR
2008
IEEE
14 years 10 months ago
2008
IEEE
The National Library of Medicine has been developing CervigramFinder, a Web-accessible prototype content-based image retrieval (CBIR) system for cervical cancer research, to retri...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
— Feedback of channel state information (CSI) enables a multi-carrier transmitter to optimize the power allocation across sub-channels. We consider a single user feedback scheme ...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
We consider two of the most commonly cited measures of retrieval performance: average precision and R-precision. It is well known that average precision and R-precision are highly...