The Concrete Distribution: A Continuous Relaxation of Discrete Random Variables. Maddison, C. J., Mnih, A., & Teh, Y. W. CoRR, 2016.
The Concrete Distribution: A Continuous Relaxation of Discrete Random Variables [link]Paper  bibtex   
@article{DBLP:journals/corr/MaddisonMT16,
  author    = {Chris J. Maddison and
               Andriy Mnih and
               Yee Whye Teh},
  title     = {The Concrete Distribution: {A} Continuous Relaxation of Discrete Random
               Variables},
  journal   = {CoRR},
  volume    = {abs/1611.00712},
  year      = {2016},
  url       = {http://arxiv.org/abs/1611.00712},
  eprinttype = {arXiv},
  eprint    = {1611.00712},
  timestamp = {Mon, 13 Aug 2018 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/journals/corr/MaddisonMT16.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}

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