2018

Trellis Networks for Sequence Modeling

Bai, Shaojie, Kolter, J. Zico, Koltun, Vladlen

Understand

We present trellis networks, a new architecture for sequence modeling.

  • On the one hand, a trellis network is a temporal convolutional network with special structure, characterized by weight tying across depth and direct injection of the input into deep layers.
  • On the other hand, we show that truncated recurrent networks are equivalent to trellis networks with special sparsity structure in their weight matrices.
  • Thus trellis networks with general weight matrices generalize truncated recurrent networks.

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