@inproceedings{ijcai2009p344,
  title     = {Towards Ontology Learning from Folksonomies},
  author    = {Tang, Jie and Leung, Ho-fung and Luo, Qiong and Chen, Dewei and Gong, Jibin},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {2089--2093},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/344},
}