On the AIMA pages, http://aima.cs.berkeley.edu
, the LISP code pages
concerning planning refer to the UCPOP system. However, when one
accesses these UCPOP pages then the user will find the information that the UCPOP is an aging system, IIRC then it is not any more supported.
The UCPOP has been superseded by the SGP, the Sensory Graphplan. The
www pages of the SGP are:
so this is where the user of the venerable textbook will have to look
for a good planner to carry out exercises and various experiments
(I downloaded the LISP code of the SGP but I have not yet experimented
with it. Experiences with the SGP LISP code would, I think, be highly
welcome here in the AIMA newsgroup.)
yours sincerely, and V/R, Mr Antti J Ylikoski "Andy"
Helsinki, Finland, the EU