@article {IV2008, title = {Visually driven analysis of movement data by progressive clustering}, journal = {Information Visualization}, volume = {7}, number = {3-4}, year = {2008}, pages = {225-239}, publisher = {Palgrave Macmillan Ltd}, author = {S Rinzivillo and Dino Pedreschi and Mirco Nanni and Fosca Giannotti and Natalia Andrienko and Gennady Andrienko} }