JASSv2
Classes
ranking_function_atire_bm25.h File Reference

The ATIRE verison of the BM25 ranking function. More...

#include <math.h>
#include <stdio.h>
#include <stdint.h>
#include <vector>
#include "forceinline.h"
#include "compress_integer.h"
#include "index_postings_impact.h"
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Classes

class  JASS::ranking_function_atire_bm25
 The ATIRE verison of BM25. More...
 

Detailed Description

The ATIRE verison of the BM25 ranking function.

A version of the BM25 ranking function that does not return negative numbers. Taken from ATIRE where it was written by Andrew Trotman, and derived by Andrew Trotman and Shlomo Geva

Author
Andrew Trotman