@revista_internacional{224,
  keywords = {Filtering, Fuzzy linguistic modelling, Information retrieval, Intelligent agents, Web},
  author = {Enrique Herrera-Viedma and Francisco Herrera and Luis Martínez and J.C Herrera and A.G López},
  title = {Incorporating Filtering Techniques in a Fuzzy Linguistic Multi-Agent Model for Gathering of Information on the Web},
  year = {2004},
  journal = {Fuzzy Sets and Systems},
  volume = {148},
  number = {1},
  pages = {61-83},
  publisher = {Elsevier},
  url = {http://www.sciencedirect.com/science/article/pii/S0165011404000909},
}