Question: Which Of The Following Is An Example Of Expert System?

What is an example of an expert system?

Examples of Expert Systems MYCIN: It was based on backward chaining and could identify various bacteria that could cause acute infections.

DENDRAL: Expert system used for chemical analysis to predict molecular structure.

PXDES: An Example of Expert System used to predict the degree and type of lung cancer..

What is the use of expert system?

An expert system (ES) is a knowledge-based system that employs knowledge about its application domain and uses an inferencing (reason) procedure to solve problems that would otherwise require human competence or expertise.

Why is expert system needed?

It helps to distribute the expertise of a human. One expert system may contain knowledge from more than one human experts thus making the solutions more efficient. It decreases the cost of consulting an expert for various domains such as medical diagnosis. They use a knowledge base and inference engine.

What are the characteristics of expert system?

Artificial Intelligence – Expert SystemsCharacteristics of Expert Systems. High performance. … What is Knowledge? The data is collection of facts. … Components of Knowledge Base. … Knowledge representation. … Knowledge Acquisition. … Forward Chaining. … Backward Chaining. … Requirements of Efficient ES User Interface.More items…

What are the components of expert system?

An expert system generally consists of four components: a knowledge base, the search or inference system, a knowledge acquisition system, and the user interface or communication system.

What are the advantages and disadvantages of expert system?

Advantages of Using Expert System:1] Providing consistent solutions: … 2] Provides reasonable explanations: … 3] Overcome human limitations: … 4] Easy to adapt to new conditions: … 1] Lacks common sense: … 2] High implementation and maintenance cost: … 3] Difficulty in creating inference rules: … 4] May provide wrong solutions:More items…

How do you create an expert system?

Here is a six-step formula for building your core expert systems.Step One: Define All Deliverables. … Step Two: Lay Out the Process. … Step Three: Determine the Optimal Level of Expertise for Each Step. … Step Four: Control for Consistency. … Step Five: Map Out the Key Components of Your Expert System to Refine First.More items…•Oct 5, 2016

What do you mean by knowledge based expert system?

An expert system also known as knowledge based system is a computer program that contains the knowledge and analytical skills of one or more human experts in a specific problem domain. … Rule based expert system contains knowledge base, Inference engine, knowledge acquisition, explanation facility and user interface.

What is the role of expert system?

An expert system is a computer-based program that uses knowledge, facts and different reasoning techniques to solve problems that normally require the abilities of human experts. The program asks series of questions about the concerned problem and gives appropriate advice based on its store of knowledge.

What are the main goals of AI?

The goals of artificial intelligence include learning, reasoning, and perception. AI is being used across different industries including finance and healthcare. Weak AI tends to be simple and single-task oriented, while strong AI carries on tasks that are more complex and human-like.

How do expert systems work?

An expert system is made up of three parts: A user interface – This is the system that allows a non-expert user to query (question) the expert system, and to receive advice. The user-interface is designed to be a simple to use as possible. A knowledge base – This is a collection of facts and rules.

What is the difference between AI and expert system?

An expert system is an AI software that uses knowledge stored in a knowledge base to solve problems that would usually require a human expert thus preserving a human expert’s knowledge in its knowledge base. … AI involves the use of methods based on the intelligent behavior of humans to solve complex problems.

Which is mainly used for automated reasoning?

Which is mainly used for automated reasoning? Explanation: Logic programming is mainly used to check the working process of the system.

What is expert system in computer?

Alternative Title: knowledge-based system. Expert system, a computer program that uses artificial-intelligence methods to solve problems within a specialized domain that ordinarily requires human expertise.

What are the features of expert system?

Major Characteristics of an Expert SystemExpert SystemTraditional ProgramWorking memoryVariablesKnowledge BaseFilesInference EngineProgram logic

Is an expert system a database?

Expert database systems (EDS) are database management systems (DBMS) endowed with knowledge and expertise to support knowledge-based applications which access large shared databases.

What is an expert system explain with a diagram?

An expert system is a computer program that is designed to solve complex problems and to provide decision-making ability like a human expert. It performs this by extracting knowledge from its knowledge base using the reasoning and inference rules according to the user queries.

What are the types of expert system?

There are mainly five types of expert systems. They are rule based expert system, frame based expert system, fuzzy expert system, neural expert system and neuro-fuzzy expert system. We discussed the expert systems based on their knowledge representation, inference engine, working of the system and user interface.

What is an expert system explain knowledge-based expert system with example?

A knowledge-based system (KBS) is a form of artificial intelligence (AI) that aims to capture the knowledge of human experts to support decision-making. Examples of knowledge-based systems include expert systems, which are so called because of their reliance on human expertise.