Mycin presentation

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1. Mycin Expert System Group No. 1

2. Group No. 1 Name Sarmad Ali Muhammad Abdullah Nimra Malik Laraib Liaqat Amaar Khan Sikander Narmeen Bushra Roll No. 01 02 3 4 05 5 49

3. Brief Introduction MYCIN , an early expert system, or artificial intelligence (AI) program, for treating blood/bacterial infections in 1972.

4. How Mycin Work? It works on the Rule-Based System . Using about 500 production rules, MYCIN operated at roughly the same level of competence as human specialists in blood infections.

5. Working of MYCIN – An Example Anyway Mycin represented its knowledge as a set of IF-THEN rules with certainty factors. The following is an English version of one of Mycin's rules: IF the infection is bacterial   AND the patient has symptoms in it    THEN assign anti bacterial treatment

6. MYCIN Architecture

7. Components of MYCIN

8. Tasks of MYCIN MYCIN has a four stage task D ecide which organisms, if any, are causing significant disease D etermine the likely identity of the significant organisms D ecide which drugs are potentially useful S elect the best drug, or combination of drugs

9. How MYCIN became Successful Mycin introduces several new features which have become the hallmark of the Expert System.

10. Is Mycin used Today? MYCIN has never been used in clinical practice due to : expense of computing power required at the time The amount of time and typing required for a session Incompleteness of the knowledge base

11. User Interface of Mycin