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Lyon
Aug. 22, 2011 to Aug. 27, 2011
ISBN: 978-1-4577-1373-6
pp: 205-208
ABSTRACT
This paper proposes a novel corpus-based method for feature-based semantic role labeling (SRL). The method first constructs a number of combined features based on basic features and can rapidly discern the discriminative combined features that will improve the performance of SRL. According to the distribution in the corpus, we define a statistical quantity that can efficiently measure the classifying capacity of the combining feature, and then retain the high-value combined features for the later classification. The experiments on Chinese Proposition Bank (CPB) corpus show the method can improve the F-score of SRL by more than one percent.
INDEX TERMS
Semantic role labeling, Feature-based, Chinese Proposition Bank, Corpus-based
CITATION
Pengyuan Liu, Shiqi Li, "A Corpus-Based Method to Improve Feature-Based Semantic Role Labeling", WI-IAT, 2011, 2011 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies, 2011 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies 2011, pp. 205-208, doi:10.1109/WI-IAT.2011.182
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