CQNSquareDFLogICFSum Class Reference

#include <CQNSquareDFLogICFSum.h>

Inheritance diagram for CQNSquareDFLogICFSum:

List of all members.

Public Member Functions
	CQNSquareDFLogICFSum (const CAcInvertedFile *inAccessor)
virtual void	considerQueryFeature (const CWeightingFunction &inFeature)
virtual CQueryNormalizer *	clone () const

---

Detailed Description

CQNSQUAREDFLOGICFSUM

modification history:

HM 090399 created the documentation

: Wolfgang Müller

compiler defines used:The query normalizer for the Best Fully Weighted Method does not work yet (1.12.1998)

Definition at line 49 of file CQNSquareDFLogICFSum.h.

---

Constructor & Destructor Documentation

CQNSquareDFLogICFSum::CQNSquareDFLogICFSum

(

const CAcInvertedFile *

inAccessor

)

Definition at line 54 of file CQNSquareDFLogICFSum.cc.

Referenced by clone().

                        :
  CQueryNormalizer(inAccessor)
{
};

---

Member Function Documentation

void CQNSquareDFLogICFSum::considerQueryFeature

(

const CWeightingFunction &

inFeature

)

[virtual]

Considers a feature

Reimplemented from CQueryNormalizer.

Definition at line 74 of file CQNSquareDFLogICFSum.cc.

References CAcInvertedFile::FeatureToCollectionFrequency(), CWeightingFunction::getID(), CWeightingFunction::getTermFrequency(), CQueryNormalizer::mAccessor, and CQueryNormalizer::mValue.

                      {

  double lICF=-log(mAccessor->FeatureToCollectionFrequency(inFeature.getID()));

  double lSummand=inFeature.getTermFrequency()*lICF;

  mValue+=lSummand*lSummand;
};

CQueryNormalizer * CQNSquareDFLogICFSum::clone

(

)

const [virtual]

returning a copy of this

Reimplemented from CQueryNormalizer.

Definition at line 98 of file CQNSquareDFLogICFSum.cc.

References CQNSquareDFLogICFSum().

                                                  {
    return new CQNSquareDFLogICFSum(*this);
}

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

• gift/libGIFTQuInvertedFile/include/CQNSquareDFLogICFSum.h
• gift/libGIFTQuInvertedFile/cc/CQNSquareDFLogICFSum.cc