When Are Tree Structures Necessary for Deep Learning of Representations?

  title={When Are Tree Structures Necessary for Deep Learning of Representations?},
  author={Jiwei Li and Thang Luong and Daniel Jurafsky and Eduard H. Hovy},
Recursive neural models, which use syntactic parse trees to recursively generate representations bottom-up, are a popular architecture. But there have not been rigorous evaluations showing for exactly which tasks this syntax-based method is appropriate. In this paper we benchmark recursive neural models against sequential recurrent neural models (simple recurrent and LSTM models). We investigate 4 tasks: (1) sentiment classification at the sentence level and phrase level; (2) matching questions… CONTINUE READING
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