@article{castillo2019the, title = {The Semantic Space for Facial Communication}, author = {Castillo, Susana and Wallraven, Christian and Cunningham, Douglas}, journal = {Computer Animation and Virtual Worlds}, doi = {doi:10.1002/cav.1593}, volume = {25}, number = {3-4}, pages = {223--231}, month = {May}, year = {2014} }