DocumentRep Class Reference

Representation of documents in a collection for efficient inverted index scoring. More...

Inheritance diagram for DocumentRep:


Public Methods
	DocumentRep (int docID, int dl=1)
virtual	~DocumentRep ()
virtual double	termWeight (int termID, const DocInfo *info) const=0
	term weighting function See also: TextQueryRetMethod
virtual double	scoreConstant () const=0
	doc-specific constant term in the scoring formula See also: TextQueryRetMethod
void	setDocLength (int len)
int	getDocLength () const
int	getID () const
Protected Attributes
int	id
int	docLength

Detailed Description

Representation of documents in a collection for efficient inverted index scoring.

DocumentRep::DocumentRep ( int docID,

int dl = 1

) [inline]

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

int DocumentRep::getDocLength ( ) const [inline]

get the length of the document. Used by PassageRep.
Returns:
the new length.

int DocumentRep::getID ( ) const [inline]

get the document id. Used by PassageRep.
Returns:
the id.

virtual double DocumentRep::scoreConstant ( ) [pure virtual]

doc-specific constant term in the scoring formula
See also:
TextQueryRetMethod

Implemented in CORIDocRep, CosSimDocRep, OkapiDocRep, PassageRep, SimpleKLDocModel, StructQryDocRep, TFIDFDocRep, and XLingDocModel.

void DocumentRep::setDocLength ( int len ) [inline]

set the length of the document. Used by PassageRep.
Parameters:

len the new length.

virtual double DocumentRep::termWeight ( int termID,

const DocInfo * info

) const [pure virtual]

term weighting function
See also:
TextQueryRetMethod

Implemented in CORIDocRep, CosSimDocRep, OkapiDocRep, PassageRep, SimpleKLDocModel, StructQryDocRep, TFIDFDocRep, and XLingDocModel.

int DocumentRep::docLength [protected]

int DocumentRep::id [protected]

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

Generated on Fri Jul 2 16:25:41 2004 for Lemur Toolkit by

1.2.18