@Inproceedings{kim2011personalized,
  author = {Kim, Heung-Nam and El Saddik, Abdulmotaleb},
  title  = {Personalized PageRank vectors for tag recommendations: inside FolkRank},

  year   = {2011},
  number = {},
  url    = {http://doi.acm.org/10.1145/2043932.2043945},
  doi = {10.1145/2043932.2043945},
  const  = {\ text}
}