@inproceedings{ives-2012-querying,
  author = {Zachary G. Ives and Andreas Haeberlen and Tao Feng and Wolfgang Gatterbauer},
  title = {Querying Provenance for Ranking and Recommending},
  booktitle = {Proceedings of the 4th USENIX Workshop on the Theory and Practice of Provenance (TAPP'12)},
  location = {Boston, MA},
  month = jun,
  year = 2012
}