Ming C. Hao, Manish Marwah, Halldór Janetzko, Umeshwar Dayal, Daniel A. Keim, Debprakash Patnaik, Naren Ramakrishnan, Ratnesh K. Sharma. Visual exploration of frequent patterns in multivariate time series. Information Visualization, 11(1):71-83, 2012. [doi]