@inproceedings{efron:2011cis,
 author = {Miles Efron},
 title = {A game with many purposes: Improving information retrieval through pleasurable competition},
 booktitle = {CIS 2011 Workshop; Collaborative Information Seeking.  The Annual Meeting of the American Society for Information Science and Technology},
 year = {2011},
 location = {New Orleans, LA}
 }