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EXPERT SYSTEMS




Human intelligence in a
software
WHAT IS EXPERT
SYSTEM ?
• An expert system is software that uses a

  knowledge base of human expertise for

  problem solving, or to clarify uncertainties

  where normally one or more human experts

  would need to be consulted.
More on expert systems
• This type of system seeks to exploit
  the specialised skills or information
  held by of a group of people on
  specific areas. It can be thought of
  as a computerised consulting
  service. It can also be called an
  information guidance sytem. Such
  systems are used for proposing
  medical diagnosis or as educational
  aids.
HOW DOES AN EXPERT
     SYSTEM WORKS?

•   A creation of a knowledge base which uses some knowledge

    representation structure to capture the knowledge of the Subject

    Matter Expert (SME).

•   A process of gathering that knowledge from the SME and codifying it

    according to the structure, which Is called knowledge engineering.

•   Once the system is developed, it is placed in the same real world

    problem solving situation as the human SME, typically as an aid to

    human workers or as a supplement to some information system.
APPLICATION OF EXPERT
SYSTEM IN MEDICINE
 CaDet (for early Cancer detection)

 CaDet is a computer-based clinical decision support system for

  Early Cancer Detection. Cancer risk evaluation and early

  detection are subject to serious limitations mainly related to

  human factors and to characteristics of the data involve.
Expert systems in
others fields
•   Medical
•   Engineering
•   Artificial Intelligence
•   Science
•   Finance
•   Mathematics
•   Geology
•   Computer science
•   Business
•   Law
•   Defence and Education
A MEDICAL EXPERT SYSTEM
                   The knowledge omes
                   from a few highly skilled
                   advanced doctors -
                   leading experts in their
                   fields.

                   These doctors create
                   their rules and store
                   them in the system
                   knowledge base. After
                   that is done the system is
                   able to make automated
                   diagnoses suggestions
                   based on patients'
                   symptoms and research
                   data (analyses, etc.).

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Expert systems

  • 2. WHAT IS EXPERT SYSTEM ? • An expert system is software that uses a knowledge base of human expertise for problem solving, or to clarify uncertainties where normally one or more human experts would need to be consulted.
  • 3. More on expert systems • This type of system seeks to exploit the specialised skills or information held by of a group of people on specific areas. It can be thought of as a computerised consulting service. It can also be called an information guidance sytem. Such systems are used for proposing medical diagnosis or as educational aids.
  • 4. HOW DOES AN EXPERT SYSTEM WORKS? • A creation of a knowledge base which uses some knowledge representation structure to capture the knowledge of the Subject Matter Expert (SME). • A process of gathering that knowledge from the SME and codifying it according to the structure, which Is called knowledge engineering. • Once the system is developed, it is placed in the same real world problem solving situation as the human SME, typically as an aid to human workers or as a supplement to some information system.
  • 5. APPLICATION OF EXPERT SYSTEM IN MEDICINE  CaDet (for early Cancer detection)  CaDet is a computer-based clinical decision support system for Early Cancer Detection. Cancer risk evaluation and early detection are subject to serious limitations mainly related to human factors and to characteristics of the data involve.
  • 6. Expert systems in others fields • Medical • Engineering • Artificial Intelligence • Science • Finance • Mathematics • Geology • Computer science • Business • Law • Defence and Education
  • 7. A MEDICAL EXPERT SYSTEM The knowledge omes from a few highly skilled advanced doctors - leading experts in their fields. These doctors create their rules and store them in the system knowledge base. After that is done the system is able to make automated diagnoses suggestions based on patients' symptoms and research data (analyses, etc.).