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 University[1] in the 1980s and 1990s

[7] It was initially available for download from its home at the SourceForge web site

S-Class Information Retrieval The empirically validated retrieval progression is BM25 then learned-sparse then dense then hybrid fusion with re-ranking

NOTE: ACM DL title omits the trailing word Research; the project site and arXiv include it

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It is managed by the Social Security Administration and is designed to provide monthly benefits to people with a medically determinable disability (physical or mental) that restricts their ability to be employed

It is often normalized so that it is comparable across queries, giving Normalized DCG (nDCG or NDCG)[2]

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Purpose: rank what an independent sovereign team should build next, and what it should refuse to build

For example, if a company buys a new piece of equipment (increasing an asset), it can spend cash (reducing an asset) or take on a loan (increasing a liability)

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It was eventually extended to handle time series data and to model the evolution of gaming strategies

As of April 2022, it was composed of around 12,000 probes and more than 800 anchors around the world

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it has a legal status in itself, whereas in some countries it is legally persuasive without being a legal document

It places legally binding obligations on sectors exposed to the risk of money laundering or the financing of terrorism to monitor their customers and transactions, and to report suspicious activities to governments

1 Unit quaternion 4 Algebraic properties 5 Quaternions and three-dimensional geometry 6 Matrix representations Toggle Matrix representations subsection 6

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It only applied to wage earners, however, and their families and the unwaged had to rely on other sources of support, if any

YouTube Show dark mode version of logo Show light mode version of logo Logo used since October 22, 2024 YouTube search results, May 2025 Type of business Subsidiary Type of site Online video platform , social media platform Founded February 14, 2005 &#59; 21 years ago  ( 2005-02-14 ) Headquarters 901

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It is based on earlier, more limited, ray tracing algorithms

It hosts a number of other projects: the NASA Images Archive, the contract crawling service Archive-It, and the wiki-editable library catalog and book information site Open Library

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