Automatic Labeling of Semantic Roles. Gildea, D. & Jurafsky, D. Computational Linguistics, 28(3):245-288, MIT Press, 2002.
Automatic Labeling of Semantic Roles [pdf]Paper  Automatic Labeling of Semantic Roles [link]Website  abstract   bibtex   
We present a system for identifying the semantic relationships, or semantic roles, filled by constituents of a sentence within a semantic frame. Various lexical and syntactic features are derived from parse trees and used to derive statistical classifiers from hand-annotated training data. 1

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