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BAYESIAN
Name
BAYESIAN
Synopsis
Returns where any the terms or subqueries
are present.
Arguments
List of terms and subqueries
Ranking Scheme
Ranks using the bayesian method.
This method is very similar to the probabilistic method,
except that it uses a form of statistics called Bayesian Statistics.
Bayesian Statistics differ from regular statistics in that
they deal with how likely something is based upon incomplete
information. The calculation of the bayesian weight is
basically the probability you think something will occur divided
by the probability it won't plus the probability it will.
It turns out that the bayesian method
is very useful for many types of analysis in information retrieval
and analysis. If, for instance you are using user feedback in
your weighting calculations, you may find that the bayesian
method will provide you with more accurate results.
Comments
BAYESIAN returns any hit of the terms or
subqueries. It is basically the same as an OR, but with a different
weighting method.
Example
R_OR( 'blue', 'green', 'red', 'orange',
'violet' );
See Also
any, or,
value, p_or, m_or,
atleast, atmost, r_atleast,
r_atmost, p_atleast, p_atmost
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