CTO: concept tree based semantic overlay for pure peer-to-peer information retrieval.

@inproceedings{lv-2007-cto, author = {Jianming Lv and Xueqi Cheng}, editor = {M\'{a}rio J. Silva and Alberto H. F. Laender and Ricardo Baeza-Yates and Deborah L. McGuinness and Bj{\o}rn Olstad and {\O}ystein Haug Olsen and Andr\'{e} O. Falc\~{a}o}, title = {{CTO: concept tree based semantic overlay for pure peer-to-peer information retrieval}}, booktitle = {{Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007}}, pages = {931--934}, publisher = {ACM}, year = {2007}, url = {https://doi.org/10.1145/1321440.1321578}, doi = {https://doi.org/10.1145/1321440.1321578} }