Knowledge-based Systems
In this design, goal seeking is combined with a large number of facts about the real world, and a logic engine to reason about the facts. This is a basic attempt to add to the computer's ability to recognize undesirable results.
At least one such software (see Cyc) has been under development for more than a decade (as of 2003). Whilst Cyc has captured far more domain knowledge than any other similar system, it is unclear how successful it has been at meeting its original goals.
Read more about this topic: Software Brittleness Problem
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