Lisp Propulsion Laboratory log

Paolo Amoroso's weblog. Main interests: Lisp, astronomy (Moon), space exploration (Apollo and early manned programs)

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Expert system shells in Lisp

Wednesday, September 1, 2004

I am looking into expert systems, particularly shells written in Lisp. After checking a number of such shells, I like LISA (Lisp-based Intelligent Software Agents) by David Young. But I wondered whether LISA supports uncertain reasoning with certainty factors, like MYCIN and other expert system shells.

So I posted a query to comp.lang.lisp and got several interesting replies. David Young said he may consider adding support for certainty factors to the LISA core.

I later listed the shells I have checked so far, and commented that there seemed to be few written in Lisp, despite the strong ties between Lisp and AI. Sashank Varma mentioned some more such systems, and provided other useful references.