Flashcards
Expert System
Cards in this deck (7)
- 1Define what is Expert system.An Expert System is defined as an interactive and reliable computer-based decision-making system which uses both facts and heuristics to solve complex decision-making problems.
- 2Components of an expert system.
- 3Examples of Expert SystemsMYCIN: It was based on backward chaining and could identify various bacteria that could cause acute infections. It could also recommend drugs based on the patient's weight.
DENDRAL: Expert system used for chemical analysis to predict molecular structure.
PXDES: Expert system used to predict the degree and type of lung cancer
CaDet: Expert system that could identify cancer at early stages - 4......is the brain of the expert system. ...... contains rules to solve a specific problem.Inference engine
- 5This component takes the user's query in a readable form and passes it to the inference engineUser Interface
- 6Two benefits of expert systemsIt improves the decision quality
Cuts the expense of consulting experts for problem-solving
It provides fast and efficient solutions to problems in a narrow area of specialization.
It can gather scarce expertise and used it efficiently.
Offers consistent answer for the repetitive problem
Maintains a significant level of information
Helps you to get fast and accurate answers
A proper explanation of decision making - 7Limitations of the expert systemUnable to make a creative response in an extraordinary situation
Errors in the knowledge base can lead to wrong decision
The maintenance cost of an expert system is too expensive
Each problem is different therefore the solution from a human expert can also be different and more creative
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- Flashcards on Expert System, created by Ainagul Ermekova on 13/09/2021.
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- Ainagul Ermekova
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