J. Ludwig, R. Jensen, M. Proctor, J. Patrick, and W. Wong. AAAI Fall Symposium: Adaptive Agents in Cultural Contexts, volume FS-08-01 of AAAI Technical Report, page 35. AAAI, (2008)
K. Jensen, and M. Kraus. ArtsIT/DLI, volume 196 of Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, page 162-169. Springer, (2016)