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syou6162 2017/11/16
ElasticSearch
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Lucene’s Practical Scoring Function | Elasticsearch: The Definitive Guide [2.x] | Elastic
WARNING: The 2.x versions of Elasticsearch have passed their EOL dates. If you are running a 2.x version, we strongly advise you to upgrade. This documentation is no longer maintained and may be removed. For the latest information, see the current Elasticsearch documentation.
syou6162 2016/09/23
ElasticSearch

ir
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Theory Behind Relevance Scoring | Elasticsearch: The Definitive Guide [2.x] | Elastic
Lucene (and thus Elasticsearch) uses the Boolean model to find matching documents, and a formula called the practical scoring function to calculate relevance. This formula borrows concepts from term frequency/inverse document frequency and the vector space model but adds more-modern features like a coordination factor, field length normalization, and term or query clause boosting. Don’t be alarmed
syou6162 2016/09/23
ElasticSearch
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Scripting | Elasticsearch Guide [8.6] | Elastic
syou6162 2015/12/04
kibana
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