Query Language

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Primitive Queries

(empty? field-name)
(exists? field-name)
(contains? word field-name)
(contains? word)

Means of Combination

(and q1 q2 ...)
(or q1 q2 ...)
(not q)

Example

(and (not (empty? keywords))
     (contains? Northeastern)
     (contains? University)
     (contains? computer subject))

Peter Beebee & Jim Miller

 http://www.w3.org/ W3C