@inproceedings{rankapproximatenearestneighborsearch,
  title = {Rank-Approximate Nearest Neighbor Search: Retaining Meaning and Speed in High Dimensions},
  author = {Parikshit Ram and Dongryeol Lee and Hua Ouyang and Alexander G. Gray},
  year = {2009},
  booktitle = {NeurIPS 2009 12},
  url = {http://papers.nips.cc/paper/3864-rank-approximate-nearest-neighbor-search-retaining-meaning-and-speed-in-high-dimensions},
}