@article{JMLR:v6:sigletos05a,
  author  = {Georgios Sigletos and Georgios Paliouras and Constantine D. Spyropoulos and Michalis Hatzopoulos},
  title   = {Combining Information Extraction Systems Using Voting and Stacked Generalization},
  journal = {Journal of Machine Learning Research},
  year    = {2005},
  volume  = {6},
  number  = {59},
  pages   = {1751--1782},
  url     = {http://jmlr.org/papers/v6/sigletos05a.html}
}