Path: utzoo!attcan!uunet!snorkelwacker!usc!sdd.hp.com!hplabs!hpcc01!hpbbn!hpbbi4!stefan From: stefan@hpbbi4.HP.COM (#Stefan Bachert) Newsgroups: comp.lang.prolog Subject: Re: Need help in the differences between RDBMS and Expert Systems Message-ID: <470014@hpbbi4.HP.COM> Date: 19 Jul 90 07:12:04 GMT References: <1990Jul17.201309.5974@cbnewsh.att.com> Organization: Hewlett-Packard GmbH Lines: 16 Easy talking the difference between ExpertSystems and relational databases is: -RDB handles uniform and well structured data -ES can handle ill-structured data -ES should be able to explain the reason or better the way to come to particular answers -RDB did exactly what you ask for (Be sure that you ask for what you want to ask) You are right you can use RDB for some knowledge based system. (If the data is well structured). I did that for a component information database to classify component according to a set of rules. Stefan