lemur::retrieval::WsumQnode Class Reference

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

#include <QueryNode.hpp>

Inheritance diagram for lemur::retrieval::WsumQnode:

List of all members.

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

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Detailed Description

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

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Constructor & Destructor Documentation

lemur::retrieval::WsumQnode::WsumQnode (  double  w  )  [inline]

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

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Member Function Documentation

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

Score this node as the sum of the weighted scores of its children divided by the sum of the weights. 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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