@inproceedings{probabilisticrelationalpca,
  title = {Probabilistic Relational PCA},
  author = {Wu-Jun Li and Dit-yan Yeung and Zhihua Zhang},
  year = {2009},
  booktitle = {NeurIPS 2009 12},
  url = {http://papers.nips.cc/paper/3778-probabilistic-relational-pca},
}