Interface RelevanceRanker

All Known Implementing Classes:

BM25, TFIDF

public interface RelevanceRanker

An interface to provide relevance ranking algorithm.

Method Summary

Modifier and Type	Method	Description
double	rank(Corpus corpus, TextTerms doc, String[] terms, int[] tf, int n)	Returns the relevance score between a set of terms and a document based on a corpus.
double	rank(Corpus corpus, TextTerms doc, String term, int tf, int n)	Returns the relevance score between a term and a document based on a corpus.

Method Details

rank

double rank(Corpus corpus,
 TextTerms doc,
 String term,
 int tf,
 int n)

Returns the relevance score between a term and a document based on a corpus.

Parameters:

corpus - the corpus.

doc - the document to rank.

term - the searching term.

tf - the term frequency in the document.

n - the number of documents containing the given term in the corpus;

Returns:

the relevance score.

rank

double rank(Corpus corpus,
 TextTerms doc,
 String[] terms,
 int[] tf,
 int n)

Returns the relevance score between a set of terms and a document based on a corpus.

Parameters:

corpus - the corpus.

doc - the document to rank.

terms - the searching terms.

tf - the term frequencies in the document.

n - the number of documents containing the given term in the corpus;

Returns:

the relevance score.