Purpose-Audience Combined Query

This query allows users to select mecal web sites based upon the primary reason (i.e., purpose) the site is providing information and the intended audience of that information. As its name indicates, it provides users with the ability to combine Site Purpose and Target Audience queries.

Audience	Purpose
MDs Dentists Students Nurses Health consumers/Patients	Learning Simulation Reference
Optionally, type keywords.

__________ ___________

How to query using the Purpose-Audience Combination:
1) In the left column of the query interface, select the target audience categories of interest by clicking in the appropriate check-boxes next to each target audience category.
2) In the right column of the query interface, select the site purpose categories of interest by clicking in the appropriate check-boxes next to each purpose category.
3) Enter any additional keywords that you would like included in the query in the optional keyword text-field.
4) Click on the 'Run Query" button.

For example:
If you would like to query for medical sites whose target audience is students, purpose is simulation and which contain information on the heart:
1) click on the "Students" checkbox in the left column of the interface
2) click on the "Simulation" checkbox in the right column of the interface
3) enter 'heart' in the "Optionally, type keywords" field
4) press the "Run Query" button

Keywords may be combined with the above query. To do so, enter the desired keyword/s in the keyword field prior to clicking on "Run Query". This will return all resources from the combined categories which mention the keywords. See below for more details on using keywords with your queries.

Using Keywords with your Queries

Multiple keywords may be combined using AND, OR and NOT. The default is AND.
Desired phrases must be put in "double-quotes".
All searches are case insensitive.

Entered Keyword Combination	Results Returned
heart lung	all sites which mention both heart and lung
heart AND lung	all sites which mention both heart and lung
heart OR lung	all sites which mention either heart or lung
heart AND lung AND NOT therapy	all sites which mention both heart and lung but not therapy (i.e., any sites which mention therapy will be excluded)
heart AND "Back Issues"	all sites which mention both heart and the phrase "Back Issues" (case insensitive)

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