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    <p>I'm currently having some FreeTextTable issues myself and the marked answer to this question:</p> <p><a href="https://stackoverflow.com/questions/210094/why-or-how-does-freetexttable-give-a-rank-value-higher-then-others">Why or How does FREETEXTTABLE give a rank value higher then others</a></p> <p>which contains this link</p> <p><a href="http://msdn.microsoft.com/en-us/library/ms345119%28SQL.90%29.aspx" rel="nofollow noreferrer">http://msdn.microsoft.com/en-us/library/ms345119%28SQL.90%29.aspx</a></p> <p>explains how the FreeTextTable does its thing in maths. Particularly with reference to the OKAPI BM25 ranking formula.</p> <p>Underneath the maths part is a section on issues with the ranking formula. Obviously its been 16 months since you asked this question but maybe this answer will help someone else with a similar problem. If you step through the problems and meta-problems with implementing the alogrithm you'll probably see where it could possibly be falling over.</p> <p>HTH (someone...)</p> <p>EDIT: Also the answer to this question:</p> <p><a href="https://stackoverflow.com/questions/3097166/freetexttable-always-has-a-rank-of-0">FREETEXTTABLE always has a rank of 0</a></p> <p>includes this link</p> <p><a href="http://msdn.microsoft.com/en-us/library/ms142524.aspx" rel="nofollow noreferrer">http://msdn.microsoft.com/en-us/library/ms142524.aspx</a></p> <p>Which is a more approachable summary of the info about how the ranking formula works that is contained in the previous link.</p>
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