@ARTICLE{2009-FSS-Alcala,
  AUTHOR = {Alcala-Fdez, J. and Alcala, R. and Gacto, M.J. and Herrera, F.},
  TITLE = {Learning the membership function contexts for mining fuzzy association rules by using genetic algorithms},
  JOURNAL = {Fuzzy Sets and Systems},
  VOLUME = {160},
  NUMBER = {7},
  YEAR = {2009},
  PAGES = {905-921}
}