Okapi BM25
id:
okapi-bm25-293-1804297
title:
Okapi BM25
text:
In information retrieval, Okapi BM25 is a ranking function used by search engines to estimate the relevance of documents to a given search query. It is based on the probabilistic retrieval framework developed in the 1970s and 1980s by Stephen E. Robertson, Karen Spärck Jones, and others. The name of the actual ranking function is BM25. The fuller name, Okapi BM25, includes the name of the first system to use it, which was the Okapi information retrieval system, implemented at London's City Unive
brand slug:
wiki
category slug:
encyclopedia
description:
Ranking function used by search engines
original url:
https://en.wikipedia.org/wiki/Okapi_BM25
date created:
date modified:
2024-01-10T23:12:19Z
main entity:
{"identifier":"Q2068750","url":"https://www.wikidata.org/entity/Q2068750"}
image:
fields total:
13
integrity:
14