Use the form below to search for documents in this web containing specific words or combinations of words. The text search engine will display a weighted list of matching documents, with better matches shown first. Each list item is a link to a matching document; if the document has a title it will be shown, otherwise only the document's file name is displayed. A brief explanation of the query language is available, along with examples.

## 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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