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2.3.2 Boolean operators

Identify and obtain  information
2.1 Define your search terms
2.2 An example search strategy
2.3 Search strategies
  2.3.1 Keyword or subject searching?
  2.3.2 Boolean operators
    AND operator
    OR operator
  NOT operator
  2.3.3 Mathematical operators
  2.3.4 Nesting
  2.3.5 Phrase searching
  2.3.6 Truncation and wildcards
  2.3.7 Prepare a search strategy
2.4 Select an appropriate tool
2.5 Keep up to date
- - - - -

Most library catalogues, databases and Internet search tools use Boolean operators to combine search terms.

There are three Boolean operators:

Note: Check the Help screens of the search tool to determine what operators are valid. For example, the ECU library catalogue uses the AND NOT operator to exclude unwanted terms from a search.

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