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StructQryDocRep Class Reference

#include <StructQryDocRep.hpp>

Inheritance diagram for StructQryDocRep:

List of all members.

Public Methods
	StructQryDocRep (DOCID_T docID, double *idfValue, int docLength, int docCount, double docLengthAverage, double db)
	New StructQryDocRep.
virtual	~StructQryDocRep ()
	no clean up
virtual double	termWeight (TERMID_T termID, const DocInfo *info) const
	needed for DocRep interface.
virtual double	termWeight (TERMID_T termID, double dtf, int df) const
	Belief score for this term with this dtf.
virtual double	scoreConstant () const
	needed for DocRep interface.
void	startPassageIteration (int sz) const
	pass in passage size.
bool	hasMorePassage () const
	any passages left?
void	nextPassage () const
	next block of psgSize termids, empty positions == OOV (0);
double	computeIdfScore (double df) const
double	beliefScore (double df, double idf) const
	compute the belief score for a given tf/idf.
Public Attributes
DOCID_T	did
	the document id.
int	start
	start position of a passage
int	end
	end position of a passage

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Detailed Description

Representation of a document for structured query retrieval method. Provides support for passage level operations on a document.

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Constructor & Destructor Documentation

StructQryDocRep::StructQryDocRep (  DOCID_T    docID, double *    idfValue, int    docLength, int    docCount, double    docLengthAverage, double    db )  [inline]

New StructQryDocRep.

virtual StructQryDocRep::~StructQryDocRep (    )  [inline, virtual]

no clean up

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Member Function Documentation

double StructQryDocRep::beliefScore (  double    df, double    idf )  const [inline]

compute the belief score for a given tf/idf.

double StructQryDocRep::computeIdfScore (  double    df )  const [inline]

compute idf for the given document frequency as log((|C|+0.5)/df)/(log(|C|+1)

bool StructQryDocRep::hasMorePassage (    )  const [inline]

any passages left?

void StructQryDocRep::nextPassage (    )  const [inline]

next block of psgSize termids, empty positions == OOV (0);

virtual double StructQryDocRep::scoreConstant (    )  const [inline, virtual]

needed for DocRep interface. Implements DocumentRep.

void StructQryDocRep::startPassageIteration (  int    sz )  const [inline]

pass in passage size.

virtual double StructQryDocRep::termWeight (  TERMID_T    termID, double    dtf, int    df )  const [inline, virtual]

Belief score for this term with this dtf.

virtual double StructQryDocRep::termWeight (  TERMID_T    termID, const DocInfo *    info )  const [inline, virtual]

needed for DocRep interface. Implements DocumentRep.

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Member Data Documentation

DOCID_T StructQryDocRep::did

the document id.

int StructQryDocRep::end

end position of a passage

int StructQryDocRep::start

start position of a passage

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

• StructQryDocRep.hpp

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