@incollection{Chen10,
author = {Kuan-Ta Chen and Chien-Wei Lin and Ling-Jyh Chen and Irwin King},
title = {Human Computation Games and Optimization of Their Productivity},
booktitle = {Web Intelligence and Intelligent Agents},
publisher = {IntechOpen},
address = {Rijeka},
year = {2010},
editor = {Zeeshan-Ul-Hassan Usmani},
chapter = {14},
doi = {10.5772/8378},
url = {https://doi.org/10.5772/8378}
}