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Boolean operators AND –both words must be present in the record for it to be retrieved OR –either word or both must be present in the record for it to.

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Presentation on theme: "Boolean operators AND –both words must be present in the record for it to be retrieved OR –either word or both must be present in the record for it to."— Presentation transcript:

1 Boolean operators AND –both words must be present in the record for it to be retrieved OR –either word or both must be present in the record for it to be retrieved NOT –the first word must be present, but not if the second is, for it to be retrieved. U se with care!

2 Boolean operators AND Durham AND University OR university OR higher education NOT student NOT part-time

3 Boolean operators use the Boolean operators to help you express your search logically e.g. studentuniversitydurham AND

4 Synonyms and spellings think about other terms which mean the same i.e. synonyms, or related terms remember alternative spellings e.g. US vs British student*universitydurham under- graduate* higher education northern england post- graduate* AND OR AND


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