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RSS
Blog posts tagged with 'elasticsearch'
英文关键字提取工具
Created: -Tuesday, October 6, 2020 1:33:48 PM
Latest updated:Tuesday, October 21, 2025 5:03:52 PM views(2041)
开源工具
RAKE（https://github.com/zelandiya/RAKE-tutorial）KEA(http://www.nzdl.org/Kea/) 监督式机器学习，使用训练数据和受控词表。maui indexer(htt
Elasticsearch 9.x + Elastic.Clients.Elasticsearch 9.18
Created: -Sunday, October 27, 2024 8:43:23 PM
Latest updated:Sunday, October 12, 2025 3:46:22 AM views(1007)
2.create a mapping
curl -XPOST http://localhost:9200/index/_mapping -H 'Content-Type:application/json' -d'
{
思路非常清晰，终于看懂ES是如何对文档评分(打分策略详解与explain手把手计算)
Created: -Saturday, February 24, 2018 9:33:49 AM
Latest updated:Saturday, October 4, 2025 12:47:36 AM views(2746)
一、目的一个搜索引擎使用的时候必定需要排序这个模块，一般情况下在不选择按照某一字段排序的情况下，都是按照打分的高低进行一个默认排序的，所以如果正式使用的话，必须对默认排序的打分策略有一个详细的了解才可以，否则被问起来为什么这个在前面，那个在
Elasticsearch查询：8.1.3.内容精确匹配查询（字段用分词器NGram按一字一词的形式分词，再利用短语查询来搜索）
Created: -Sunday, March 18, 2018 12:33:07 AM
Latest updated:Saturday, October 4, 2025 12:16:25 AM views(3634)
在有搜索引擎之前，我们查文档常使用顺序匹配。我们需要在文档中顺序扫描，找到完全匹配的子句。
elasticsearch 5.x+IK分词器+Java实现配置近义词功能教程
Created: -Thursday, May 18, 2017 2:36:02 AM
Latest updated:Saturday, October 4, 2025 12:05:42 AM views(2475)
elasticsearch 5.x+IK分词器+Java实现配置近义词功能教程
elasticsearch2.x+IK分词器+Java实现配置近义词功能教程
Created: -Wednesday, May 17, 2017 9:29:57 AM
Latest updated:Friday, October 3, 2025 11:46:39 PM views(2609)
http://blog.csdn.net/tianzhaixing2013/article/details/51506496
同义词配置
step 1
elasticserach.yml 最后一行添加： index
Elasticsearch | Error:Elasticsearch on Ubuntu（3） -Error and Configure Elasticsearch 7.x on Ubuntu
Created: -Thursday, January 30, 2020 6:49:42 AM
Latest updated:Friday, October 3, 2025 9:41:58 AM views(4938)
Error and Configure Elasticsearch 7.x on Ubuntu
elasticsearch config - 如何设置分配给elasticsearch的内存大小？
Created: -Thursday, November 12, 2020 5:12:43 PM
Latest updated:Thursday, October 2, 2025 7:12:50 PM views(3463)
如何设置分配给elasticsearch的内存大小
Elasticsearch的评分机制原理
Created: -Thursday, March 16, 2017 9:07:59 AM
Latest updated:Thursday, October 2, 2025 5:59:58 PM views(2094)
Elasticsearch是基于Lucene的，所以他的默认评分机制也是基于Lucene的。如果没有干预评分算法的时候，每次查询，Lucene会基于一个评分算法来计算所有文档和搜索语句的相关评分。
Lucene的评分公式
Lucene的
How To Install and uninstall reinstall OpenJDK on Ubuntu 18.04（aliyun）
Created: -Wednesday, January 1, 2020 2:11:29 PM
Latest updated:Thursday, October 2, 2025 4:46:16 PM views(3985)
How To Install and uninstall reinstall OpenJDK on Ubuntu 18.04（aliyun）