Expert System
nounid
4880·updated Aug 28, 2026verified
A computer system emulating the decision-making ability of a human expert through the use of reasoning, leveraging an encoding of domain-specific knowledge most commonly represented by sets of if-then rules rather than procedural code. The term “expert system” was used largely during the 1970s and ’80s amidst great enthusiasm about the power and promise of rule-based systems that relied on a “knowledge base” of domain-specific rules and rule-chaining procedures that map observations to conclusions or recommendations.
MWE
Attested in
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Classifications
Entity Type
System100%manual revieweval-seeds-v0.3-2026-05-14
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- Expert Systems
- possessive
- Expert System's
- pluralpossessive
- Expert Systems'
Framework definitions
- §1
- A form of AI that attempts to replicate a human's expertise in an area, such as medical diagnosis. It combines a knowledge base with a set of hand-coded rules for applying that knowledge. Machine-learning techniques are increasingly replacing hand coding.
- §1
- Computer system that provides for expertly solving problems in a given field or application area by drawing inferences from a knowledge base developed from human expertise.
- §1
- A computer system emulating the decision-making ability of a human expert through the use of reasoning, leveraging an encoding of domain-specific knowledge most commonly represented by sets of if-then rules rather than procedural code. The term “expert system” was used largely during the 1970s and ’80s amidst great enthusiasm about the power and promise of rule-based systems that relied on a “knowledge base” of domain-specific rules and rule-chaining procedures that map observations to conclusions or recommendations.
- §1
- An expert system is an intelligent computer program that uses knowledge and inference procedures to solve problems that are difficult enough to require significant human expertise for their solution.
- §1
- Intelligent computer program that uses knowledge and inference procedures to solve problems that are difficult enough to require significant human expertise for their solution.
- §1 · legacy_primary
- A computer system emulating the decision-making ability of a human expert through the use of reasoning, leveraging an encoding of domain-specific knowledge most commonly represented by sets of if-then rules rather than procedural code. The term “expert system” was used largely during the 1970s and ’80s amidst great enthusiasm about the power and promise of rule-based systems that relied on a “knowledge base” of domain-specific rules and rule-chaining procedures that map observations to conclusions or recommendations.DR-088 backfill from the noun definition column
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Incoming relationships
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