Dataflow Matrix Machines (a generalization of recurrent neural networks).
A one-page overview:
http://www.cs.brandeis.edu/~bukatin/dataflow-matrix-machines-2016.pdf
A LearnAut 2017 paper:
https://arxiv.org/abs/1706.00648
Reference paper: Dataflow Matrix Machines and V-values: a Bridge between Programs and Neural Nets (a "K + K = 120" Festschrift paper):
https://arxiv.org/abs/1712.07447
How to run example DMMs: see README.md at:
https://github.com/jsa-aerial/DMM/tree/master/doc
6 years later: the main DMM website is https://anhinga.github.io/