A set of eight simple gestures generated from accelerometers. The data consists of the X,Y,Z coordinates of each motion. Each series is 315 long. We have  
First described in [1].

J. Liu, Z. Wang, L. Zhong, J. Wickramasuriya and V. Vasudevan, "uWave: Accelerometer-based personalized gesture recognition and its applications," 
2009 IEEE International Conference on Pervasive Computing and Communications, Galveston, TX, 2009, pp. 1-9.