@inproceedings{collaborativegaussianprocessesfor,
  title = {Collaborative Gaussian Processes for Preference Learning},
  author = {Neil Houlsby and Ferenc Huszar and Zoubin Ghahramani and Jose M. Hernández-Lobato},
  year = {2012},
  booktitle = {NeurIPS 2012 12},
  url = {http://papers.nips.cc/paper/4700-collaborative-gaussian-processes-for-preference-learning},
}