The Proposition Bank: An Annotated Corpus of Semantic Roles
Computational Linguistics
BioNLP '07 Proceedings of the Workshop on BioNLP 2007: Biological, Translational, and Clinical Language Processing
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The Wall Street Journal corpora provided for the Workshop on Cross-Framework and Cross-Domain Parser Evaluation Shared Task are investigated in order to see how the structures that are difficult for an annotator of dependency structure are encoded in the different schemes. Non-trivial differences among the schemes are found. The paper also investigates the possibility of merging the information encoded in the different corpora.