Parent's Resource Center


Use the form below to search for documents on this web site containing specific words or combinations of words. A brief explanation of the query language is available, along with examples.

Search for:


Query Language

The text search engine allows queries to be formed from arbitrary Boolean expressions containing the keywords AND, OR, and NOT, and grouped with parentheses. For example:

information retrieval
finds documents containing 'information' or 'retrieval'

information or retrieval
same as above

information and retrieval
finds documents containing both 'information' and 'retrieval'

information not retrieval
finds documents containing 'information' but not 'retrieval'

(information not retrieval) and WAIS
finds documents containing 'WAIS', plus 'information' but not 'retrieval'

web*
finds documents containing words starting with 'web'

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Parent's Resource Center
Copyright 1997-2003 [PRC]. All rights reserved.
Revised: August 19, 2007