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gptkbp:instanceOf
|
information retrieval algorithm
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|
gptkbp:alsoKnownAs
|
gptkb:BM25
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gptkbp:basedOn
|
probabilistic information retrieval model
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gptkbp:category
|
Information retrieval
Ranking functions
|
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gptkbp:citation
|
gptkb:A_probabilistic_model_of_information_retrieval:_development_and_comparative_experiments_(Robertson_&_Walker,_1994)
gptkb:The_Probabilistic_Relevance_Framework:_BM25_and_Beyond_(Robertson_&_Zaragoza,_2009)
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gptkbp:developedBy
|
gptkb:Karen_Spärck_Jones
gptkb:City_University_London
gptkb:Stephen_Robertson
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gptkbp:form
|
document length normalization
inverse document frequency
term frequency
|
|
https://www.w3.org/2000/01/rdf-schema#label
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Okapi BM25
|
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gptkbp:influenced
|
gptkb:Elasticsearch
gptkb:Apache_Lucene
gptkb:Solr
|
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gptkbp:introducedIn
|
1990s
|
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gptkbp:openSource
|
gptkb:Elasticsearch
gptkb:Apache_Lucene
gptkb:Solr
gptkb:Whoosh
|
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gptkbp:parameter
|
b
k1
|
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gptkbp:partOf
|
gptkb:Okapi_information_retrieval_system
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gptkbp:relatedTo
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gptkb:TF-IDF
gptkb:BM11
gptkb:BM15
|
|
gptkbp:usedFor
|
search engines
document ranking
|
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gptkbp:bfsParent
|
gptkb:BM25
gptkb:Stephen_Robertson
|
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gptkbp:bfsLayer
|
5
|