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- 1. Elasticsearch Server chapter5. 蟆 蟆郁骸 レ
- 2. 螳 豺 襭 螻 elasticsearch螳 螻牛 ろ襴渚 蠍磯 れ 語企ゼ 襭 瑚骸 蟆 覦 ろ襾狩語 レ 覩語 れ 讌 螻殊 譴 覩瑚 狩 轟 ろ襾狩瑚 覦 伎 蟆 螻郁骸 蟯 碁 蟆
- 3. 1. Apache Lucene scoring 讌 ろ襾狩語 蟯煙 豺 蠍磯蓋 豺 襭 螻 螻襴讀 TD/IDF (Term Frequency - Inverse Document Frequency) ろ襾狩瑚 朱 讌襯 襷 螻 螳 るゴ
- 4. Score properties ろ襾狩 譴(Document boost) 瑚骸 ろ襾狩語 譯殊伎 譴 譴(Field boost) 讌 螻殊 譯殊伎 譴 譟一讌(Coord) ろ襾狩瑚 れ 蠍磯 螳 IDF(Inverse Document Frequency) 企 れ螳 朱 覓語襯 企 螳 蠍語願鍵譴(Length norm) 螳 れ 蠍磯. 螳 蠍語襦 讌. Term frequency 企 れ螳 襾狩語 豢 觜
- 5. 蠍磯蓋 螻 螻旧 score(q,d)=coord(q,d)queryNorm(q)(tf (tind)idf (t)2 boost(t)norm(t,d)) 殊 れ螳 覓殊襦 ろ襾狩 螳 讌 蟆企. ろ襾狩 螳 襦 ろ襾狩 螳 讌 蟆企. 譴螳 襦 ろ襾狩 螳 讌 蟆企. ref : https://lucene.apache.org/core/4_0_0/core/org/apache/lucene/search/similarities/ TFIDFSimilarity.html
- 6. 2. Scripting 蠍磯 elasticsearch ろ襴渚語煙 語企ゼ 讌 蠍磯蓋朱 MVEL javascript, python, groovy讌
- 7. 3. れ 語企 伎 蟆 り記 語 襭 れ 覿蠍磯ゼ 螳 語伎 譬襯 蟯 願 豢豢 覿 螻
- 8. 語企ゼ 豌襴蠍 語企ゼ 豌襴 覦覯 語企襦 るジ ろ襾狩碁ゼ 語企襦 覿襴 語 ろ襾狩碁ゼ ろ襾狩語 語覯襦
- 9. 語企ゼ 螳讌蠍 語 螳讌 殊企襴 豺 一拘(Apache Tika) 蠏讌 (Language detection) ろ瑚 蠍語伎襦 語 螳讌螳 伎.
- 10. 譴襦 レ 覩語蠍 讌 譴 讌 query field 譴 れ 譴 譴 れ 讌 襴曙 譴 螳 螳讌
- 11. 譴襯 讌 豢螳 { "query" : { "prefix" : { "title" : { "value" : "cri", "boost" : 3.0 } } } }
- 12. Demo - boost query
- 13. 譴襯 讌 豢螳 { "query": { "constant_score": { "query": { "query_string": { "query": "available:false author:heller" } } } } }
- 15. 譴襯 語 豢螳 { "title" : "The Complete Sherlock Holmes", "author" : "Arthur Conan Doyle", "year": 1936 }
- 16. 譴襯 語 豢螳 { "title" : "The Complete Sherlock Holmes", "author" : { "_value" : "Arthur Conan Doyle", "_boost" : 10.0, }, "year": 1936 }
- 17. 6. 覩瑚 狩 企ゼ 蟆, 覩瑚 狩蟇磯 襷れ広 襯朱れ crime蟆 Crime and Punishment 訖襷 , criminality abuse企 企 れ 蟆 願 覦 襷 襭
- 18. synonym analyzer synonym 襷ろ synonym襦狩 豢螳
- 20. 7. 讌 伎 蠍磯 危 Analyze API(Testing Analyzers) elasticsearch 企至 tokenize螻 index 企至 ル讌 危危蠍郁 る. 蠏碁 elasticsearch analyze API襯 螻(覯蟾) 谿瑚 : https://www.elastic.co/guide/en/elasticsearch/guide/current/analysis-intro.html?q=_analy
- 21. Demo - analyze API
- 22. 7. 讌 伎 蠍磯 危 Explain API 貎朱Μ 轟 襾狩瑚 企至 螳 螻磯伎讌 覲企 蠍磯 螻 谿瑚 : https://www.elastic.co/guide/en/elasticsearch/reference/current/search-explain.html?q=_explain
- 23. Demo - explain API