Friedland, N. S., P. G. Allen, G. Matthews, M. Witbrock, D. Baxter, J. Curtis, B. Shepard, P. Miraglia, J. Angele, S. Staab, E. Moench, H. Oppermann, D. Wenke, D. Israel, V. Chaudhri, B. Porter, K. Barker, J. Fan, S. Y. Chaw, P. Yeh, D. Tecuci, and P. Clark. “Project Halo: Towards a Digital Aristotle”. AI Magazine, vol. 25, no. 4, Dec. 2004, p. 29, doi:10.1609/aimag.v25i4.1783.