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Unit 5: Knowledge Representation




          knowledge-based system  as a central knowledge  base interacting  through  the knowledge  Notes
          acquisition tools, the expert system support environment, and expert system shell, with a user
          community of experts, knowledge engineers, and clients.

                        Figure  5.3: Major  Components of  a Knowledge-based  System

                                              Experts
                                                &
                                            Knowledge
                                             Engineers
                                User
                             Community


                                                                   Knowledge
                      Experts             Knowledge-Based
                                              System               Engineers
                                Knowledge               Knowledge-
                                                       Based System
                                Acquisition
                                                         Support
                                  System
                                                        Environment
                                            Knowledge
                                               Base




                      Experts               Knowledge-              Knowledge
                                                                     Engineers
                        &                  Based System
                      Clients                  Shell                    &
                                                                      Cilents



                                              Clients









              Task  Discuss the concept of knowledge acquisition.

          Self Assessment


          Fill in the blanks:
          1.   ...........................  knowledge is rule-based knowledge  that is used to  match actions to
               situations by invoking appropriate rules.

          2.   ........................... knowledge can be attained through dialogue, job shadowing, storytelling,
               and sharing of best practices and lessons learned.
          3.   Knowledge acquisition can be considered as one of the technology contributing to the
               development of ........................... .






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