@inproceedings{activity_social,
	Author = {Claudio Coppola and Diego R. Faria and Urbano Nunes and Nicola Bellotto},
	Booktitle = {IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)},
	Title = {Social Activity Recognition based on Probabilistic Merging of Skeleton Features with Proximity Priors from RGB-D Data},
	Year = {2016},
	note = {in review}
}