@inproceedings{KpotufeUB15,
  title = {Hierarchical Label Queries with Data-Dependent Partitions},
  booktitle = {Proceedings of the 28th Conference on Learning Theory},
  volume = {40},
  pages = {1176--1189},
  editors = {Grünwald, P. and Hazan, E. and Kale, S. },
  publisher = {JMLR},
  year = {2015},
  author = {Kpotufe, S. and Urner, R. and Ben{-}David, S.},
  crossref = {DBLP:conf/colt/2015},
  url = {http://jmlr.org/proceedings/papers/v40/Kpotufe15.html}
}