An Introduction to QDF: Query deserves freshness
Posted on August 30th, 2011 by Akaljot Singh
The Query Deserves Freshness algorithm is not new. It was first discussed by Google Fellow Amit Singhal in June 2007 in a New York Times Article written by Saul Hansell. By now it is estimated that other search engines also use it in their search methodology, or similar versions of it. What we mean by [...]
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