Here is the paper about Dr. Fill that was published in the Journal of Artificial Intelligence Research, if anyone is interested in a far more technical explanation:
https://www.jair.org/media/3437/live-3437-6039-jair.pdf
Here is the paper about Dr. Fill that was published in the Journal of Artificial Intelligence Research, if anyone is interested in a far more technical explanation:
https://www.jair.org/media/3437/live-3437-6039-jair.pdf