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

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

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

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com /cuda-zone CUDA ( Compute Unified Device Architecture ) is a proprietary [ 3 ] parallel computing platform and application programming interface (API) developed by the American technology corporation Nvidia that allows software to use certain types of graphics processing units (GPUs) for accelerated general

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A user's client provides presence information (presence state) via a network connection to a presence service , which is stored in what constitutes their personal availability record (called a presentity ) and can be made available for distribution to other users (called watchers ) to convey their availability for

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