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Proximity Operators

Proximity Operators allow you to specify the closeness and order of search terms within a record. Each search system uses a different syntax for specifying proximity. This table summarizes proximity functions for commonly used search systems.

Vendor/Database
Operator
Function
CONSORT and OhioLINK Catalogs
(system default
Adjacency. Searches multiple words as a phrase.
NEAR
Retrieves records in which search terms are within 10 words of each other, in any order.
WITHIN n
Search terms within n words of each other, in any order.
OSearch Databases
   BIOSIS Previews
   Compendex
   MEDLINE
   GeoRef
   INSPEC

“Search for This Exact Phrase” or ADJ

Two or more words adjacent to each other in the order specified
ADJn
Retrieves records in which both words are in the same sentence in the given order, where n is the maximum number of indexable words between search terms.
NEAR
Two or more words, next to each other in either order.
NEARn
Retrieves records that contain both words in the same sentence, in either order, where n is the maximum number of indexable words between the search terms.
SAME
Retrieves records with both words in the same field.
WITH
Retrieves records with both words in the same sentence.
EBSCOhost
   Academic Search Complete
   AGRICOLA
   Alt Health Watch
   CINAHL Plus
   Computers and Applied Sciences
      Complete
   Environment Complete
   Health Source - Nursing/Academic
      Edition
   MEDLINE
Wn
(within)
Retrieves records in which the terms are within n words of each other, in the order specified.
Nn
(near)
Retrieves records in which the terms are within n words of each other, in any order.
FirstSearch
   ArticleFirst
   PapersFirst
   ProceedingsFirst
W
(with)
Retrieves records which contain search terms adjacent to each other, in the order specified.
Wn
Retrieves records which contain the search terms in the order specified with up to n words between them. n = 1 to 25.
N
(near)
Retrieves records which contain search terms adjacent to each other, in either order.
Nn
Retrieves records which contain the search terms in either order with up to n wrods between them. n = 1 to 25.
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Last updated: August 26, 2008
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