Queen's University - Utility Bar

Queen's University Library

Search the Web: Search Engines

Google

Boolean Logic: AND is the default between words; capitalize OR: no ( ) or nested searching; - to exclude words, + or quotes to retrieve stop words
Phrase Searching: use double quotes for phrases
Truncation: no truncation is available
Limits: language, domain, date, filetype, and adult contents limits
Fields: see UC Berkeley's guide on limit commands in Google
Stop Words: all words searched, except for operators OR and AND if they are not in a phrase
Links to Help: Google Help Pages

Yahoo!

Boolean Logic: AND is the default between words; accepts AND, OR, AND NOT, NOT and ( ) for nesting; must be capitalized. Also - to remove words if not using Boolean
Phrase Searching: use double quotes for phrases
Truncation: no truncation is available
Limits: language, domain, date, filetype, and country
Fields: link, site, intitle, inurl, url, hostname
Stop Words: common words such as if, how, the etc. unless the words are in quotations
Links to Help: Yahoo Help Pages

Exalead

Boolean Logic: AND is the default between words; capitalize OR: ( ) for nested searching; - to exclude words, + or quotes to retrieve stop words
Phrase Searching: use double quotes for phrases
Truncation: use *
Limits: use Advanced search for limits
Fields: intitle, inurl, site, after: [time period], before: [time period] – use Advanced search for field searching
Stop Words: ignores frequently-occurring words such as: the, of, and, or
Links to Help: Web Search Syntax Help

ipl2

Boolean Logic: Accepts capital AND, OR, NOT, ( ); - to exclude words, + to retrieve stop words
Phrase Searching: use double quotes for phrases
Truncation: * represents zero or more alphanumeric characters;
? represents one alphanumeric character within a term
Field Searching: none

Infomine

Boolean Logic: AND is the default; also accepts OR, NOT and ( )
Phrase Searching: use double quotes for phrases
Truncation: use *. Stems automatically, which can be turned off in Advanced Search page.
Field Searching: subject, title, author, keyword and description

Academic Info

Boolean Logic: AND, OR (default), NOT, ( )
Phrase Searching: one, using quotes will make search fail
Truncation: none
Field Searching: none

Yahoo! Directory

Boolean logic: AND (default), OR, - to remove, + to include
Phrase Searching: use double quotes for phrases and to turn off Yahoo's automatic truncation
Truncation: use *, although there is automatic truncation
Field Searching: title and URL

Last Updated: 24 May 2012