@INPROCEEDINGS{VoidaYaoKorn2015, author = {Amy Voida and Zheng Yao and Matthias Korn}, title = {(Infra)structures of Volunteering}, booktitle = {Proceedings of the 18th {ACM} Conference on Computer-Supported Cooperative Work and Social Computing ({CSCW} 2015)}, year = {2015}, address = {Vancouver, Canada}, month = {March 14-18}, pages = {1704-1716} }