lemur::retrieval::SumQnode Class Reference

Implements the SUM query operator. Evaluates to the average of the scores of its child nodes. More...

#include <QueryNode.hpp>

Inheritance diagram for lemur::retrieval::SumQnode:

List of all members.

Public Member Functions
	SumQnode (double wt)
virtual	~SumQnode ()
virtual double	eval (const lemur::api::DocumentRep *dRep) const

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Detailed Description

Implements the SUM query operator. Evaluates to the average of the scores of its child nodes.

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Constructor & Destructor Documentation

lemur::retrieval::SumQnode::SumQnode (  double  wt  )  [inline]

virtual lemur::retrieval::SumQnode::~SumQnode (   )  [inline, virtual]

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Member Function Documentation

virtual double lemur::retrieval::SumQnode::eval (  const lemur::api::DocumentRep *  dRep  )  const [inline, virtual]

Score this node as the sum of the scores of its children divided by the number of children. Implements lemur::retrieval::QueryNode.

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The documentation for this class was generated from the following file:

• QueryNode.hpp

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