Experimental Evaluation of LTAG-Based Features for Semantic Role Labeling.

Yudong Liu Anoop Sarkar

Published in: EMNLP-CoNLL (2007)

Keyphrases

semantic role labeling
experimental evaluation
semantic roles
feature extraction
feature space
feature vectors
low level
parse tree
high level
classification accuracy
image features
co occurrence
markov random field
unsupervised learning