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• InfoGate2
  • Introduction
  • Define your topic and information needs
    • Define your topic
    • Identity Concepts
    • Identify Concepts: key words
    • Search strategies
    • Search strategies: And
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    • Boolean: And
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    • Truncation
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Infogate2 > Infodb > Search strategies : Boolean operators

Search strategies : Boolean operators

Boolean operators are words (connectors) placed between search terms to narrow or expand a search.

The common Boolean operators are: AND, OR, NOT.