@article{optimizingtextquantifiersformultivariate,
  title = {Optimizing Text Quantifiers for Multivariate Loss Functions},
  author = {Andrea Esuli and Fabrizio Sebastiani},
  year = {2015},
  eprint = {1502.05491},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1502.05491v2},
}