@Inproceedings{lee2007tagplus,
  author = {Lee, Sun-Sook and Yong, Hwan-Seung},
  title  = {TagPlus: A Retrieval System using Synonym Tag in Folksonomy},

  year   = {2007},
  number = {},
  url    = {http://dx.doi.org/10.1109/MUE.2007.201},
  doi = {http://dx.doi.org/10.1109/MUE.2007.201},
  const  = {\ text}
}
@Mastersthesis{nunninger2007calculating,
  author = {Nunninger, Thomas},
  title  = {Calculating Relevancy when Searching in Semantically and Hierarchically Structured Data as Exemplified with the eZ Publish Enterprise Content Management System�s Internal Search Engine},

  year   = {2007},
  number = {},
  url    = {},

  const  = {\ text}
}