Using C to build a satellite scheduling expert system: Examples from the explorer platform planning system

Abstract

Recently, many expert systems have been developed in a LISP environment and then ported to the real world C environment before the final system is delivered. This situation may require that the entire system be completely re-written in C and may actually result in a system which is put together as quickly as possible with little regard for maintainability and further evolution. With the introduction of high performance UNIX and X-