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2018年1月18日 — 协调因子将评分与文档里匹配词的数量相乘，然后除以查询里所有词的数量，如果使用协调因子，评分会变成：. 文档里有 fox → 评分： 1.5 * 1 / 3 = 0.5 ...

2019年11月9日 — 綜合排序：Function Score Query 優化算分. Scoring & Sorting. Elasticsearch 預設會以document 的相關度算分進行排序. 可以指定一個or 多 ...

2018年7月4日 — ElasticSearch - function_score 簡介 · multiply（默認） : new_score = old_score * 加強score · sum : new_score = old_score + 加強score ...

2023年7月31日 — The default algorithm in ES for calculating the score is BM25, which calculates the score with the formula: _score = boost * idf * tf.

2023年6月22日 — Function Score is a powerful query in Elasticsearch that allows you to modify the relevance score of documents returned by a query.

2023年11月14日 — Elasticsearch scoring is a critical aspect of providing relevant search results. By understanding the scoring mechanisms and using the Explain ...

2018年10月29日 — The _score in Elasticsearch is a way of determining how relevant a match is to the query. The default scoring function used by Elasticsearch ...

The function_score allows you to modify the score of documents that are retrieved by a query. This can be useful if, for example, a score function is ...

The function_score allows you to modify the score of documents that are retrieved by a query. This can be useful if, for example, a score function is ...

2020年12月23日 — Relevancy scoring is the backbone of a search engine, understanding how it works is important for creating a good search engine.