Reducing Annotation Effort on Unbalanced Corpus based on Cost Matrix.

Wencan Luo Diane J. Litman Joel Chan

Published in: HLT-NAACL (2013)

Keyphrases

annotation effort
active learning
singular value decomposition
total cost
high cost
minimum cost
rows and columns
real time
databases
data mining
learning algorithm
social networks
data structure
covariance matrix
cost sensitive
storage cost