@INPROCEEDINGS{Coppola2016a,
  author = {C. Coppola and D. Faria and U. Nunes and N. Bellotto},
  title = {Social Activity Recognition based on Probabilistic Merging of Skeleton
	Features with Proximity Priors from RGB-D Data},
  booktitle = {Proc. of IEEE/RSJ Int. Conf. on Intelligent Robots and Systems (IROS)},
  pages = {5055-5061},
  year = {2016}
}