Haimonti Dutta Xianshu Zhu Tushar Mahule Hillol Kargupta Kirk D. Borne Codrina Lauth Florian Holz Gerhard Heyer TagLearner: A P2P Classifier Learning System from Collaboratively Tagged Text Documents. 495-500 2009 ICDM Workshops http://doi.ieeecomputersociety.org/10.1109/ICDMW.2009.90 conf/icdm/2009w db/conf/icdm/icdmw2009.html#DuttaZMKBLHH09