Date of Original Version
Proceedings of the International Workshop on Semantic Evaluation (SemEval)
Copyright 2010 ACL
Abstract or Description
This paper describes the SEMAFOR system’s performance in the SemEval 2010 task on linking events and their participants in discourse. Our entry is based upon SEMAFOR 1.0 (Das et al., 2010a), a frame-semantic probabilistic parser built from log-linear models. The extended system models null instantiations, including non-local argument reference. Performance is evaluated on the task data with and without gold-standard overt arguments. In both settings, it fares the best of the submitted systems with respect to recall and F1.
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Proceedings of the International Workshop on Semantic Evaluation (SemEval), 264-267.