@article{santosneto2009individual,
  author = {Santos-Neto, E. and Condon, D. and Andrade, N. and Iamnitchi, A. and Ripeanu, M.},
  booktitle = {Proceedings of the 20th ACM conference on Hypertext and hypermedia},
  interhash = {07a2f583edf181046a997bc59e7e56be},
  intrahash = {75da6d18a60db6c69d4f3cd2328abd58},
  organization = {ACM},
  pages = {183--192},
  title = {{Individual and social behavior in tagging systems}},
  url = {http://scholar.google.de/scholar.bib?q=info:78ozoF5AkegJ:scholar.google.com/&output=citation&hl=de&as_sdt=2000&ct=citation&cd=0},
  year = 2009
}

@article{santos2009individual,
  author = {Santos-Neto, E. and Condon, D. and Andrade, N. and Iamnitchi, A. and Ripeanu, M.},
  booktitle = {Proceedings of the 20th ACM conference on Hypertext and hypermedia},
  interhash = {07a2f583edf181046a997bc59e7e56be},
  intrahash = {75da6d18a60db6c69d4f3cd2328abd58},
  organization = {ACM},
  pages = {183--192},
  title = {{Individual and social behavior in tagging systems}},
  url = {http://scholar.google.de/scholar.bib?q=info:78ozoF5AkegJ:scholar.google.com/&output=citation&hl=de&as_sdt=2000&ct=citation&cd=0},
  year = 2009
}