先来一个简单的测试
# curl -XPOST "http://192.168.9.155:9200/_analyze?analyzer=standard&pretty" -d 'PHP是世界上最好的语言' //_analyze表示分析分词；analyzer=standard，表示分词方式standard; -d表示测试的一段文字
测试结果
{
"tokens" : [
{
"token" : "php",
"start_offset" : 0,
"end_offset" : 3,
"type" : "<ALPHANUM>",
"position" : 0
},
{
"token" : "是",
"start_offset" : 3,
"end_offset" : 4,
"type" : "<IDEOGRAPHIC>",
"position" : 1
},
{
"token" : "世",
"start_offset" : 4,
"end_offset" : 5,
"type" : "<IDEOGRAPHIC>",
"position" : 2
},
{
"token" : "界",
"start_offset" : 5,
"end_offset" : 6,
"type" : "<IDEOGRAPHIC>",
"position" : 3
},
{
"token" : "上",
"start_offset" : 6,
"end_offset" : 7,
"type" : "<IDEOGRAPHIC>",
"position" : 4
},
{
"token" : "最",
"start_offset" : 7,
"end_offset" : 8,
"type" : "<IDEOGRAPHIC>",
"position" : 5
},
{
"token" : "好",
"start_offset" : 8,
"end_offset" : 9,
"type" : "<IDEOGRAPHIC>",
"position" : 6
},
{
"token" : "的",
"start_offset" : 9,
"end_offset" : 10,
"type" : "<IDEOGRAPHIC>",
"position" : 7
},
{
"token" : "语",
"start_offset" : 10,
"end_offset" : 11,
"type" : "<IDEOGRAPHIC>",
"position" : 8
},
{
"token" : "言",
"start_offset" : 11,
"end_offset" : 12,
"type" : "<IDEOGRAPHIC>",
"position" : 9
}
]
}
接下来使用我们的IK
ik 带有两个分词器
ik_max_word ：会将文本做最细粒度的拆分；尽可能多的拆分出词语，拼接各种可能的组合 。
ik_smart：会做最粗粒度的拆分；已被分出的词语将不会再次被其它词语占有 。
curl -XPOST "http://192.168.9.155:9200/_analyze?analyzer=ik_smart&pretty" -d 'PHP是世界上最好的语言' //ik_smart方式
{
"tokens" : [
{
"token" : "php",
"start_offset" : 0,
"end_offset" : 3,
"type" : "ENGLISH",
"position" : 0
},
{
"token" : "世界上",
"start_offset" : 4,
"end_offset" : 7,
"type" : "CN_WORD",
"position" : 1
},
{
"token" : "最好",
"start_offset" : 7,
"end_offset" : 9,
"type" : "CN_WORD",
"position" : 2
},
{
"token" : "语言",
"start_offset" : 10,
"end_offset" : 12,
"type" : "CN_WORD",
"position" : 3
}
]
}
curl -XPOST "http://192.168.9.155:9200/_analyze?analyzer=ik_max_word&pretty" -d 'PHP是世界上最好的语言' //ik_max_word方式
{
"tokens" : [
{
"token" : "php",
"start_offset" : 0,
"end_offset" : 3,
"type" : "ENGLISH",
"position" : 0
},
{
"token" : "世界上",
"start_offset" : 4,
"end_offset" : 7,
"type" : "CN_WORD",
"position" : 1
},
{
"token" : "世界",
"start_offset" : 4,
"end_offset" : 6,
"type" : "CN_WORD",
"position" : 2
},
{
"token" : "上",
"start_offset" : 6,
"end_offset" : 7,
"type" : "CN_CHAR",
"position" : 3
},
{
"token" : "最好",
"start_offset" : 7,
"end_offset" : 9,
"type" : "CN_WORD",
"position" : 4
},
{
"token" : "语言",
"start_offset" : 10,
"end_offset" : 12,
"type" : "CN_WORD",
"position" : 5
}
]
}
区别很明显~
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/aiops/2342.html