1863 search results - page 33 / 373 » A supervised learning approach for imbalanced data sets |
EACL
2006
ACL Anthology
13 years 10 months ago
2006
ACL Anthology
We present a weakly supervised approach to automatic Ontology Population from text and compare it with other two unsupervised approaches. In our experiments we populate a part of ...
CIVR
2005
Springer
14 years 2 months ago
2005
Springer
This paper presents a new approach for building semantic image indexing and retrieval systems. Our approach is composed of four phases : (1) knowledge acquisition, (2) weakly-super...
KDD
2008
ACM
14 years 9 months ago
2008
ACM
Many time series prediction methods have focused on single step or short term prediction problems due to the inherent difficulty in controlling the propagation of errors from one ...
ACL
2008
13 years 10 months ago
2008
We present a novel semi-supervised training algorithm for learning dependency parsers. By combining a supervised large margin loss with an unsupervised least squares loss, a discr...
KDD
2009
ACM
14 years 3 months ago
2009
ACM
Many applications in surveillance, monitoring, scientific discovery, and data cleaning require the identification of anomalies. Although many methods have been developed to iden...