Well,不要刷屏了

请问一下关于ik分词器分词内容中文和数字混合时无法分出数字有没有解决办法

Elasticsearch | 作者 druke | 发布于2018年04月21日 | 阅读数:7064

例如以下查询无法匹配2018,请问有没有解决办法?
GET _analyze?pretty
{
  "analyzer": "ik_smart",
  "text": "恒大积分2018"
}

{
"tokens": [
{
"token": "恒",
"start_offset": 0,
"end_offset": 1,
"type": "CN_CHAR",
"position": 0
},
{
"token": "大",
"start_offset": 1,
"end_offset": 2,
"type": "CN_CHAR",
"position": 1
},
{
"token": "积分",
"start_offset": 2,
"end_offset": 4,
"type": "CN_WORD",
"position": 2
}
]
}
 
 
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我在ES6.2.2上安装的原生elasticsearch_ik,没有扩展词典:
和你一样的检索匹配如下,
{
"tokens": [
{
"token": "恒",
"start_offset": 0,
"end_offset": 1,
"type": "CN_CHAR",
"position": 0
},
{
"token": "大",
"start_offset": 1,
"end_offset": 2,
"type": "CN_CHAR",
"position": 1
},
{
"token": "积分",
"start_offset": 2,
"end_offset": 4,
"type": "CN_WORD",
"position": 2
},
{
"token": "2018",
"start_offset": 4,
"end_offset": 8,
"type": "ARABIC",
"position": 3
}
]
}
如上,并且不论是粗粒度还是细粒度都包含的。
 
更进一步如果你想完全匹配可以通过"match_phrase”短语匹配实现。
更多讨论参考:https://www.zhihu.com/question/26424192

dotNetDR_ - elasticsearch 6.x

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es5.5.3,没发现你这问题
{
"tokens": [
{
"token": "恒",
"start_offset": 0,
"end_offset": 1,
"type": "CN_CHAR",
"position": 0
},
{
"token": "大",
"start_offset": 1,
"end_offset": 2,
"type": "CN_CHAR",
"position": 1
},
{
"token": "积分",
"start_offset": 2,
"end_offset": 4,
"type": "CN_WORD",
"position": 2
},
{
"token": "2018",
"start_offset": 4,
"end_offset": 8,
"type": "ARABIC",
"position": 3
}
]
}

yayg2008

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尝试下细粒度分词ik_max_word

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