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ACSAC
2010
IEEE
15 years 2 months ago
Spam mitigation using spatio-temporal reputations from blacklist history
IP blacklists are a spam filtering tool employed by a large number of email providers. Centrally maintained and well regarded, blacklists can filter 80+% of spam without having to...
Andrew G. West, Adam J. Aviv, Jian Chang, Insup Le...
ACL
2009
15 years 2 months ago
Distant supervision for relation extraction without labeled data
Modern models of relation extraction for tasks like ACE are based on supervised learning of relations from small hand-labeled corpora. We investigate an alternative paradigm that ...
Mike Mintz, Steven Bills, Rion Snow, Daniel Jurafs...
ACL
2009
15 years 2 months ago
Mining Association Language Patterns for Negative Life Event Classification
Negative life events, such as death of a family member, argument with a spouse and loss of a job, play an important role in triggering depressive episodes. Therefore, it is worth ...
Liang-Chih Yu, Chien-Lung Chan, Chung-Hsien Wu, Ch...
PAKDD
2011
ACM
245views Data Mining» more  PAKDD 2011»
14 years 7 months ago
Finding Rare Classes: Adapting Generative and Discriminative Models in Active Learning
Discovering rare categories and classifying new instances of them is an important data mining issue in many fields, but fully supervised learning of a rare class classifier is pr...
Timothy M. Hospedales, Shaogang Gong, Tao Xiang
ICPR
2006
IEEE
16 years 5 months ago
Recognizing Expressions in a New Database Containing Played and Natural Expressions
We describe a new expression database which contains video sequences of both played and natural expressions and an expression classification system based on warped optical flow fi...
James Skelley, Robert Fischer, Arup Sarma, Bernd H...