For copyright reason, we only provide urls for the videos in the paper. The original hierarchy is shown in the paper, the layers are ordered in top-down fashion, from coarse to fine-grained. The urls and layered labels are provided in the csv file. Paper Title: Recognition of Ongoing Complex Activities by Sequence Prediction over a Hierarchical Label Space, WACV 2016 @author: Wenbin Li, Mario Fritz D2 Department of Computer Vision and Machine Learning Max Planck Institute for Informatics