CASE BASED REASONING
\kˈe͡ɪs bˈe͡ɪst ɹˈiːzənɪŋ], \kˈeɪs bˈeɪst ɹˈiːzənɪŋ], \k_ˈeɪ_s b_ˈeɪ_s_t ɹ_ˈiː_z_ə_n_ɪ_ŋ]\
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(CBR) A technique for problemsolving which looks for previous examples which are similar tothe current problem. This is useful where heuristicknowledge is not available.There are many situations where experts are not happy to bequestioned about their knowledge by people who want to writethe knowledge in rules, for use in expert systems. In mostof these situations, the natural way for an expert to describehis or her knowledge is through examples, stories or cases(which are all basically the same thing). Such an expert willteach trainees about the expertise by apprenticeship, i.e. bygiving examples and by asking the trainees to remember them,copy them and adapt them in solving new problems if theydescribe situations that are similar to the new problems. CBRaims to exploit such knowledge.Some key research areas are efficient indexing, how to define"similarity" between cases and how to use temporalinformation.
By Denis Howe
Word of the day
dust storm
- a windstorm that lifts up clouds of dust or sand a windstorm that lifts up clouds dust or sand; "it was the kind of duster not experienced in years"