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CORIRetMethod Class Reference

#include <CORIRetMethod.hpp>

Inheritance diagram for CORIRetMethod:

TextQueryRetMethod RetrievalMethod List of all members.

Public Methods

 CORIRetMethod (Index &dbIndex, ScoreAccumulator &accumulator, String cwName, int isCSIndex=0, SimpleKLDocModel **smoothers=NULL, UnigramLM *collectLM=NULL)
 ~CORIRetMethod ()
virtual TextQueryRep * computeTextQueryRep (TextQuery &qry)
 compute the query representation for a text query (caller responsible for deleting the memory of the generated new instance)

virtual DocumentRep * computeDocRep (int docID)
 compute the doc representation (caller responsible for deleting the memory of the generated new instance)

virtual ScoreFunction * scoreFunc ()
 return the scoring function pointer

virtual void scoreCollection (QueryRep &qry, IndexedRealVector &results)
 ooverriding abstract class method with a general efficient inverted index scoring procedure

virtual void updateTextQuery (TextQueryRep &qryRep, DocIDSet &relDocs)
 Modify/update the query representation based on a set (presumably) relevant documents.

void setTFFactor (double tf)
void setTFBaseline (double tf)

Protected Attributes

ScoreFunction * scFunc
SimpleKLDocModel ** dfSmooth
UnigramLM * collLM
double * cwRatio
double tffactor
double tfbaseline

Constructor & Destructor Documentation

CORIRetMethod::CORIRetMethod (  Index &    dbIndex,
ScoreAccumulator &    accumulator,
String    cwName,
int    isCSIndex = 0,
SimpleKLDocModel **    smoothers = NULL,
UnigramLM *    collectLM = NULL
) 
 

CORIRetMethod::~CORIRetMethod (    )  [inline]
 

Member Function Documentation

virtual DocumentRep* CORIRetMethod::computeDocRep (  int    docID )  [inline, virtual]
 

compute the doc representation (caller responsible for deleting the memory of the generated new instance)

Implements TextQueryRetMethod.

virtual TextQueryRep* CORIRetMethod::computeTextQueryRep (  TextQuery &    qry )  [inline, virtual]
 

compute the query representation for a text query (caller responsible for deleting the memory of the generated new instance)

Implements TextQueryRetMethod.

void CORIRetMethod::scoreCollection (  QueryRep &    qry,
IndexedRealVector &    results
)  [virtual]
 

ooverriding abstract class method with a general efficient inverted index scoring procedure

Reimplemented from TextQueryRetMethod.

virtual ScoreFunction* CORIRetMethod::scoreFunc (    )  [inline, virtual]
 

return the scoring function pointer

Implements TextQueryRetMethod.

void CORIRetMethod::setTFBaseline (  double    tf )  [inline]
 

void CORIRetMethod::setTFFactor (  double    tf )  [inline]
 

virtual void CORIRetMethod::updateTextQuery (  TextQueryRep &    qryRep,
DocIDSet &    relDocs
)  [inline, virtual]
 

Modify/update the query representation based on a set (presumably) relevant documents.

Implements TextQueryRetMethod.

Member Data Documentation

UnigramLM* CORIRetMethod::collLM [protected]
 

double* CORIRetMethod::cwRatio [protected]
 

SimpleKLDocModel** CORIRetMethod::dfSmooth [protected]
 

ScoreFunction* CORIRetMethod::scFunc [protected]
 

double CORIRetMethod::tfbaseline [protected]
 

double CORIRetMethod::tffactor [protected]
 

The documentation for this class was generated from the following files:
Generated on Tue Nov 25 11:27:04 2003 for Lemur Toolkit by doxygen1.2.18