9. Disadvantages of expert systems

Disadvantages of expert systems
Usually only covers a narrow range of knowledge
A lot of effort and cost has to go into making a good expert system
Not as good as having human experts to hand.
Most expert systems are menu driven which does not deal very well with ambiguous problems.
Advanced interfaces such as natural language processing still has some way to go before they are truly effective.
Does not learn from mistakes unless user feedback and human maintenance is part of its ongoing development
Unlikely to come up with creative solutions

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