@article{valentini2014hierarchical,
  title={Hierarchical ensemble methods for protein function prediction},
  author={Valentini, Giorgio},
  journal={ISRN Bioinformatics},
  volume={2014},
  year={2014},
  publisher={Hindawi Publishing Corporation},
  url={http://downloads.hindawi.com/journals/isrn.bioinformatics/2014/901419.pdf}
}