599 search results - page 80 / 120 » Online learning by ellipsoid method |
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...
IJCAI
2007
13 years 10 months ago
2007
An “active learning system” will sequentially decide which unlabeled instance to label, with the goal of efficiently gathering the information necessary to produce a good cla...
IFIP12
2010
13 years 7 months ago
2010
We attack the task of predicting which news-stories are more appealing to a given audience by comparing ‘most popular stories’, gathered from various online news outlets, over ...
ACL
2011
13 years 13 days ago
2011
Unsupervised vector-based approaches to semantics can model rich lexical meanings, but they largely fail to capture sentiment information that is central to many word meanings and...
CIKM
2011
Springer
12 years 8 months ago
2011
Springer
Streaming user-generated content in the form of blogs, microblogs, forums, and multimedia sharing sites, provides a rich source of data from which invaluable information and insig...