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arXiv 1706.09528cs.CL

Frame-Semantic Parsing with Softmax-Margin Segmental RNNs and a Syntactic Scaffold

Carnegie Mellon University(卡内基梅隆大学);Google DeepMind(谷歌DeepMind);University of Washington(华盛顿大学)

Swabha Swayamdipta, Sam Thomson, Chris Dyer, Noah A. Smith

英文摘要:

We present a new, efficient frame-semantic parser that labels semantic arguments to FrameNet predicates. Built using an extension to the segmental RNN that emphasizes recall, our basic system achieves competitive performance without any calls to a syntactic parser. We then introduce a method that uses phrase-syntactic annotations from the Penn Treebank during training only, through a multitask objective; no parsing is required at training or test time. This "syntactic scaffold" offers a cheaper alternative to traditional syntactic pipelining, and achieves state-of-the-art performance.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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