Syntactic Scaffolds for Semantic Structures

@article{Swayamdipta2018SyntacticSF,
  title={Syntactic Scaffolds for Semantic Structures},
  author={Swabha Swayamdipta and Sam Thomson and Kenton Lee and Luke Zettlemoyer and Chris Dyer and Noah A. Smith},
  journal={ArXiv},
  year={2018},
  volume={abs/1808.10485}
}
We introduce the syntactic scaffold, an approach to incorporating syntactic information into semantic tasks. Syntactic scaffolds avoid expensive syntactic processing at runtime, only making use of a treebank during training, through a multitask objective. We improve over strong baselines on PropBank semantics, frame semantics, and coreference resolution, achieving competitive performance on all three tasks. 
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