@misc{santosneto-2007,
  author = {Santos-Neto, Elizeu and Ripeanu, Matei and Iamnitchi, Adriana},
  interhash = {a684fa9c2187ce048c69f6edb94f6c26},
  intrahash = {785df87d0942d1cb6da9b944df902730},
  title = {Tracking User Attention in Collaborative Tagging Communities},
  url = {http://arxiv.org/pdf/0705.1013},
  year = 2007
}

@inproceedings{steinbach00comparison,
  author = {Steinbach, M. and Karypis, G. and Kumar, V.},
  booktitle = {KDD Workshop on Text Mining},
  interhash = {3340fbf75ada2ccb45a50dd5832f5f07},
  intrahash = {10e5c1e3ff54d9dce505a231f8ae7b32},
  title = {A comparison of document clustering techniques},
  url = {http://citeseer.ist.psu.edu/steinbach00comparison.html},
  year = 2000
}