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This search engine permits users to search throughout the
entire site with the aid of boolean expressions containing the keywords AND, OR and NOT.
It's possible to arrange a series of different boolean expressions with the use of
brackets. Here are some useful examples:
- estract information
- finds all documents containing the words "estract"
or "information"
- estract or information
- has results identical to the previous query
- estract and information
- finds all documents containing both of the words "estract"
and "information"
- estract not information
- finds all documents containing the word "estract"
but not "information"
- (estract not information) and WAIS
- finds all documents containing the words "estract"
and "WAIS" but not "information"
- inter*
- finds all documents that begin with the word "inter"
