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Boolean model of information retrieval

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== 'Standard Boolean Model' ==

In the boolean model of information retrieval , the approach is binary where in the documents are considered either as relevant(1) or irrelevant(0) dependig upon the presence or absence of the query term in the document. It uses the exact match system for retrieval and the queries are built by combining terms with boolean operators AND, OR, NOT. The system returns all documents that satisfy the query.

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