@inproceedings{NIPS1999_955a1584, author = {Downs, Oliver and MacKay, David and Lee, Daniel}, booktitle = {Advances in Neural Information Processing Systems}, editor = {S. Solla and T. Leen and K. M\"{u}ller}, pages = {}, publisher = {MIT Press}, title = {The Nonnegative Boltzmann Machine}, url = {https://proceedings.neurips.cc/paper_files/paper/1999/file/955a1584af63a546588caae4d23840b3-Paper.pdf}, volume = {12}, year = {1999} }