@inproceedings{Niewiadomski:2010:TSE:1878116.1878134, author = {Niewiadomski, Radoslaw and Prepin, Ken and Bevacqua, Elisabetta and Ochs, Magalie and Pelachaud, Catherine}, title = {Towards a smiling ECA: studies on mimicry, timing and types of smiles}, booktitle = {Proceedings of the 2nd international workshop on Social signal processing}, series = {SSPW '10}, year = {2010}, isbn = {978-1-4503-0174-9}, location = {Firenze, Italy}, pages = {65--70}, numpages = {6}, url = {http://doi.acm.org/10.1145/1878116.1878134}, doi = {10.1145/1878116.1878134}, acmid = {1878134}, publisher = {ACM}, address = {New York, NY, USA}, keywords = {eca, facial expressions, smile, social interaction, synchrony, virtual agents}, }