@Inproceedings{yu2003searching,
  author = {Yu, Bin and Singh, Munindar P.},
  title  = {Searching social networks},

  year   = {2003},
  number = {},
  url    = {http://doi.acm.org/10.1145/860575.860587},
  doi = {10.1145/860575.860587},
  const  = {\ text}
}