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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
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1 History
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1.1 Expansion and spread
2 Processes
3 Systems by country
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3.1 Armenia
3.2 Australia
3.3 Canada
3.4 China
3.5 Denmark
3.6 European Union
3.7 Finland
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[7] It was initially available for download from its home at the SourceForge web site
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Information Network Ocean Political party Security sector Self Simulation Soil Technology Transnational Measures Fiscal sustainability Government effectiveness index World Governance Index Sustainable Governance Indicators Bertelsmann Transformation Index Policy uncertainty Related topics Chief governance officer
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gov
Medicare is a federal health insurance program in the United States for people age 65 or older and younger people with disabilities, including those with end stage renal disease and amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease)
World health ( Global health - International health ) Disease prevention Disease surveillance Harm reduction Health promotion ( Behavior change ) Health indicators Human right to water and sanitation Right to health Supervised injection site Universal health care Lists and categories Terminology Journals National
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Wayback Machine Show dark mode logo Show light mode logo Type of site Archiving service Founded October 25, 2001 ; 24 years ago  ( 2001-10-25 ) [ 1 ] Area served Worldwide ( except China and North Korea ) Owner Internet Archive URL web