@Article{girju2006automatic,
  author = {Girju, Roxana and Badulescu, Adriana and Moldovan, Dan I.},
  title  = {Automatic Discovery of Part-Whole Relations.},
  journal = {Computational Linguistics},
  year   = {2006},
  number = {1},
  url    = {http://dblp.uni-trier.de/db/journals/coling/coling32.html#GirjuBM06},

  const  = {\ text}
}
@Inproceedings{mori2006extracting,
  author = {Mori, Junichiro and Tsujishita, Takumi and Matsuo, Yutaka and Ishizuka, Mitsuru},
  title  = {Extracting Relations in Social Networks from the Web Using Similarity Between Collective Contexts},

  year   = {2006},
  number = {},
  url    = {},

  const  = {\ text}
}
@Incollection{ruizcasado2005automatic,
  author = {Ruiz-Casado, Maria and Alfonseca, Enrique and Castells, Pablo},
  title  = {Automatic Extraction of Semantic Relationships for WordNet by Means of Pattern Learning from Wikipedia},

  year   = {2005},
  number = {},
  url    = {http://dx.doi.org/10.1007/11428817_7},
  doi = {10.1007/11428817_7},
  const  = {\ text}
}