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TALON MODULE 4: Performing Effective Searches in Electronic Databases
Proximity and Adjacency

Proximity and adjacency searches allow you to specify the location of your keywords in relation to one another.

Proximity is defined in different ways in different databases. Usually, proximity requires that the words be located within x number of words of each other, but they may appear in any order. Sometimes it requires that the words appear in the same sentence, the same paragraph or the same field, rather than within x number of words.

Adjacency is a form of proximity, and it requires that the words be located directly next to each other as a phrase or with up to x number of words in between them. With adjacency, the words must be in the specified order.

The operators frequently associated with these concepts are near, n, with, w, and adj. For example, recycling w3 paper will retrieve all records in which the words recyling and paper occur within three words of each other in either direction. Thus, you may locate items on "paper recycling," as well as "recycling of paper" and "recycling of all paper." Passive adj smoking will retrieve all records in which the word passive occurs immediately before the word smoking.


Concept & Design by Laurie Preston
Content Authored by
Laurie Preston & Jack Bales
Reviewed/Updated
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