Elasticsearch IK 同义词
同义词配置
step 1
elasticserach.yml 最后一行添加：index.analysis.analyzer.default.type: ik
step 2
在elasticsearch-2.3.1/config目录下面，存放synonyms.txt
其中，synonyms.txt 编码格式为’utf-8’，内容为：
#Example:
ipod, i-pod, i pod
foozball , foosball
universe , cosmos
西红柿, 番茄
马铃薯, 土豆
aa, bbstep 3
新建立索引类型设置
json
curl -XPUT localhost:9200/test/_mapping?pretty -d '
{
"settings": {
"index": {
"analysis": {
"analyzer": {
"jt_cn": {
"type": "custom",
"use_smart": "true",
"tokenizer": "ik_smart",
"filter": ["jt_tfr","jt_sfr"],
"char_filter": ["jt_cfr"]
},
"ik_smart": {
"type": "ik",
"use_smart": "true"
},
"ik_max_word": {
"type": "ik",
"use_smart": "false"
}
},
"filter": {
"jt_tfr": {
"type": "stop",
"stopwords": [" "]
},
"jt_sfr": {
"type": "synonym",
"synonyms_path": "synonyms.txt"
}
},
"char_filter": {
"jt_cfr": {
"type": "mapping",
"mappings": [
"| => \\|"
]
}
}
}
}
},
"mappings": {
"solution": {
"properties": {
"title": {
"include_in_all": true,
"analyzer": "jt_cn",
"term_vector": "with_positions_offsets",
"boost": 8,
"store": true,
"type": "string"
}
}
}
}
}
'step 4
json
curl -XPUT localhost:9200/test/solution/1 -d '
{
"title": "番茄"
}
'
curl -XPUT localhost:9200/test/solution/2 -d '
{
"title": "西红柿"
}
'step 5
json
curl -XPOST 'localhost:9200/test/solution/_search?pretty' -d '
{
"query": {
"query_string": {
"title": {
"query": "西红柿",
"analyzer": "jt_cn"
}
}
},
"highlight": {
"pre_tags": [
"<tag1>",
"<tag2>"
],
"post_tags": [
"</tag1>",
"</tag2>"
],
"fields": {
"title": {}
}
}
}
'step 6
json
{
"took": 3,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 2,
"max_score": 0.4500804,
"hits": [
{
"_index": "test",
"_type": "solution",
"_id": "1",
"_score": 0.4500804,
"_source": {
"title": "西红柿"
}
},
{
"_index": "test",
"_type": "solution",
"_id": "2",
"_score": 0.36006433,
"_source": {
"title": "番茄"
}
}
]
}
}