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This method can be used when one wants to retrieve objects that match exactly the condition expressed in the query.

EXAMPLE: Let D1 = {brain, CT} and D2 = {stroke, CT} be two objects, and Q = “stroke AND CT” be a query; i.e., retrieve those objects which deal with both stroke and CT. The answer is object D2 (it contains both the term ‘stroke‘ and ‘CT‘).

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