Main Page   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Namespace Members   Compound Members   File Members   Related Pages  

BasicSumm Class Reference

#include <BasicSumm.hpp>

Inheritance diagram for BasicSumm:

Summarizer List of all members.

Public Methods

 BasicSumm (InvFPIndex *inIdx, int inSummLen=5)
 Constructor takes index information and an option default summary length.

virtual void summDocument (const char *docID, const int optLen, const char *qInfo)
 General purpose function that does all summary computation as well as passage marking.

virtual void scorePassages (const char *qInfo)
 Score ALL passages currently in this summarizer, optionally given query terms.

virtual void markPassages (int optLen, char *qInfo)
 Flag optLen passages for inclusion in summary.

virtual void addPassage (Passage &psg)
 Append a new passage to the list the summarizer will use to generate summary.

virtual void clear (void)
 Clear all scores and passages from the summarizer.

virtual int fetchPassages (Passage psgs[], int optLen)
 Place marked passages into an array.

virtual int nextPassage (Passage *psg)
 Get the next passage in iterative manner.

virtual void iterClear (void)
 Reset to the first summarized passage (in conjunction with nextPassage).

virtual void outputSumm (void)
 General purpose "send summary to stdout" function.

int isEOS (const char *check)
 Checks for EOS marker.

int hasEOS (InvFPIndex *idx, TermInfoList *tList)
 Determines if any EOS markers are present.

double scorePassage (BasicPassage &psg, char *qInfo)
 Scores an individual passage.

void findNextPassage (BasicPassage &psg, InvFPIndex *idx, TermInfoList *tList, int eos)
 Locate the next passage in a document by searching for the next EOS or using a max length.

void showPassage (passageVec *psg, InvFPIndex *idx)
 BasicSumm's method to output a summary (to screen)

void showMarkedPassages ()
 Only display passages flagged as 'marked' as part of the output.


Detailed Description

A simple summarizer implementation that uses sentence selection to create summaries. This example shows how a simple summarizer may look, and how to use the Summarizer abstract with the Passage abstract. Note that this implementation is paired with an implementation of Passage called BasicPassage.


Constructor & Destructor Documentation

BasicSumm::BasicSumm InvFPIndex   inIdx,
int    inSummLen = 5
[inline]
 

Constructor takes index information and an option default summary length.


Member Function Documentation

void BasicSumm::addPassage Passage   psg [virtual]
 

Append a new passage to the list the summarizer will use to generate summary.

Implements Summarizer.

void BasicSumm::clear void    [virtual]
 

Clear all scores and passages from the summarizer.

Implements Summarizer.

int BasicSumm::fetchPassages Passage    psgs[],
int    optLen
[virtual]
 

Place marked passages into an array.

Implements Summarizer.

void BasicSumm::findNextPassage BasicPassage   psg,
InvFPIndex   idx,
TermInfoList   tList,
int    eos
[inline]
 

Locate the next passage in a document by searching for the next EOS or using a max length.

int BasicSumm::hasEOS InvFPIndex   idx,
TermInfoList   tList
[inline]
 

Determines if any EOS markers are present.

int BasicSumm::isEOS const char *    check [inline]
 

Checks for EOS marker.

void BasicSumm::iterClear void    [virtual]
 

Reset to the first summarized passage (in conjunction with nextPassage).

Implements Summarizer.

void BasicSumm::markPassages int    optLen,
char *    qInfo
[virtual]
 

Flag optLen passages for inclusion in summary.

Implements Summarizer.

int BasicSumm::nextPassage Passage   psg [virtual]
 

Get the next passage in iterative manner.

Implements Summarizer.

void BasicSumm::outputSumm void    [virtual]
 

General purpose "send summary to stdout" function.

Implements Summarizer.

double BasicSumm::scorePassage BasicPassage   psg,
char *    qInfo
[inline]
 

Scores an individual passage.

void BasicSumm::scorePassages const char *    qInfo [virtual]
 

Score ALL passages currently in this summarizer, optionally given query terms.

Implements Summarizer.

void BasicSumm::showMarkedPassages   [inline]
 

Only display passages flagged as 'marked' as part of the output.

void BasicSumm::showPassage passageVec   psg,
InvFPIndex   idx
[inline]
 

BasicSumm's method to output a summary (to screen)

void BasicSumm::summDocument const char *    docID,
const int    optLen,
const char *    qInfo
[virtual]
 

General purpose function that does all summary computation as well as passage marking.

Implements Summarizer.


The documentation for this class was generated from the following files:
Generated on Tue Nov 25 11:27:01 2003 for Lemur Toolkit by doxygen1.2.18