@article{articled02d50ef, title = {Unsupervised density-based behavior change detection in data streams}, author = {Vallim, Rosane M. M and Andrade Filho, Jose A and Mello, Rodrigo Fernandes de and Carvalho, André Carlos Ponce de Leon Ferreira de and Gama, João}, year = {2014}, doi = {10.3233/IDA-140636}, journal = {Intelligent Data Analysis} }