_:n87cdc184aadf4fb6bdcaa0f5a21b3a58xb69
<http://schema.org/reviewBody>
"Hope can elaborate the backpropagation of RNN much more. BP through time is a bit tricky though we do not need to think about it during implementation using most of existing deep learning frameworks."
<https://mx.coursera.org/learn/nlp-sequence-models/reviews>