What is WAIS?
WAIS provides relevancy ranking, to help the user determine which of the returned items will be most useful. WAIS assigns each document with a number ranking that is determined by the number of times a word in the search phrase appears in the document.
In addition, the formula takes into account where in the document a term appears. For
instance, using the search term "standardized testing", if the word
"testing" appears in the title of a document, it will receive a higher ranking
than a document that has the word "testing" within the body of the article, even
if the article with the term in the title has a lower overall number of word matches.
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