smile.nlp.relevance

Interface RelevanceRanker

All Known Implementing Classes:

BM25, TFIDF

public interface RelevanceRanker

An interface to provide relevance ranking algorithm.

Method Summary

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

Method Detail

rank

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

Returns a 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;

rank

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

Returns a 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;