我有以下python代码中所示的方案。 在此，我试图将纽约和纽约明确定义为同义词。但不幸的是，它不起作用。因为我是弹性搜索的新手，请您指导我。 另外，我正在使用自定义分析器。 我也有带有文本的文件alias.txt： 纽约，纽约，纽约
from datetime import datetime
from elasticsearch import Elasticsearch
es = Elasticsearch()
keywords = ['thousand eyes', 'facebook', 'superdoc', 'quora', 'your story', 'Surgery', 'lending club', 'ad roll',
'the honest company', 'Draft kings', 'newyork']
count = 1
doc_setting = {
"settings": {
"analysis": {
"analyzer": {
"my_analyzer_keyword": {
"type": "custom",
"tokenizer": "keyword",
"filter": [
"asciifolding",
"lowercase",
"synonym"
]
},
"my_analyzer_shingle": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"asciifolding",
"lowercase",
"synonym"
]
}
},
"filter": {
"synonym": {
"type": "synonym",
"synonyms_path": "synonyms.txt",
"ignore_case": "true"
}
}
}
}, "mappings": {
"your_type": {
"properties": {
"keyword": {
"type": "string",
"index_analyzer": "my_analyzer_keyword",
"search_analyzer": "my_analyzer_shingle"
}
}
}
}
}
validate=es.index(index='test', doc_type='your_type', body=doc_setting)
print(validate)
for keyword in keywords:
doc = {
'id': count,
'keyword': keyword
}
res = es.index(index="test", doc_type='your_type', id=count, body=doc)
print(res['result'])
count = count + 1
#res11 = es.get(index="test", doc_type='your_type', id=1)
#print(res11['_source'])
es.indices.refresh(index="test")
question = "I saw news on ny news channel of lending club on facebook, your story and quora"
print("Question asked: %s" % question)
res = es.search(index="test",`enter code here` doc_type='your_type', body={
"query": {"match": {"keyword": question}}})
print("Got %d Hits:" % res['hits']['total'])
for hit in res['hits']['hits']:
print(hit["_source"])
答案 0 :(得分：2)
PUT / test_index
{
"settings": {
"analysis": {
"analyzer": {
"my_analyzer_keyword": {
"type": "custom",
"tokenizer": "keyword",
"filter": [
"asciifolding",
"lowercase",
"synonym"
]
},
"my_analyzer_shingle": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"asciifolding",
"lowercase",
"synonym"
]
}
},
"filter": {
"synonym" : {
"type" : "synonym",
"lenient": true,
"synonyms" : ["ny,newyork,nyork"]
}
}
}
}, "mappings": {
"your_type": {
"properties": {
"keyword": {
"type": "text",
"analyzer": "my_analyzer_keyword",
"search_analyzer": "my_analyzer_shingle"
}
}
}
}
}
然后使用
进行分析POST /test_index/_analyze
{
"analyzer" : "my_analyzer_shingle",
"text" : "I saw news on ny news channel of lending club on facebook, your story and quorat"
}
我得到的令牌是
{
"tokens": [
{
"token": "i",
"start_offset": 0,
"end_offset": 1,
"type": "<ALPHANUM>",
"position": 0
},
{
"token": "saw",
"start_offset": 2,
"end_offset": 5,
"type": "<ALPHANUM>",
"position": 1
},
{
"token": "news",
"start_offset": 6,
"end_offset": 10,
"type": "<ALPHANUM>",
"position": 2
},
{
"token": "on",
"start_offset": 11,
"end_offset": 13,
"type": "<ALPHANUM>",
"position": 3
},
{
"token": "ny",
"start_offset": 14,
"end_offset": 16,
"type": "<ALPHANUM>",
"position": 4
},
{
"token": "newyork",
"start_offset": 14,
"end_offset": 16,
"type": "SYNONYM",
"position": 4
},
{
"token": "nyork",
"start_offset": 14,
"end_offset": 16,
"type": "SYNONYM",
"position": 4
},
{
"token": "news",
"start_offset": 17,
"end_offset": 21,
"type": "<ALPHANUM>",
"position": 5
},
{
"token": "channel",
"start_offset": 22,
"end_offset": 29,
"type": "<ALPHANUM>",
"position": 6
},
{
"token": "of",
"start_offset": 30,
"end_offset": 32,
"type": "<ALPHANUM>",
"position": 7
},
{
"token": "lending",
"start_offset": 33,
"end_offset": 40,
"type": "<ALPHANUM>",
"position": 8
},
{
"token": "club",
"start_offset": 41,
"end_offset": 45,
"type": "<ALPHANUM>",
"position": 9
},
{
"token": "on",
"start_offset": 46,
"end_offset": 48,
"type": "<ALPHANUM>",
"position": 10
},
{
"token": "facebook",
"start_offset": 49,
"end_offset": 57,
"type": "<ALPHANUM>",
"position": 11
},
{
"token": "your",
"start_offset": 59,
"end_offset": 63,
"type": "<ALPHANUM>",
"position": 12
},
{
"token": "story",
"start_offset": 64,
"end_offset": 69,
"type": "<ALPHANUM>",
"position": 13
},
{
"token": "and",
"start_offset": 70,
"end_offset": 73,
"type": "<ALPHANUM>",
"position": 14
},
{
"token": "quorat",
"start_offset": 74,
"end_offset": 80,
"type": "<ALPHANUM>",
"position": 15
}
]
}
搜索会产生
POST /test_index/_search
{
"query" : {
"match" : { "keyword" : "I saw news on ny news channel of lending club on facebook, your story and quora" }
}
}
{
"took": 36,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 3,
"max_score": 1.6858001,
"hits": [
{
"_index": "test_index",
"_type": "your_type",
"_id": "4",
"_score": 1.6858001,
"_source": {
"keyword": "newyork"
}
},
{
"_index": "test_index",
"_type": "your_type",
"_id": "2",
"_score": 1.1727304,
"_source": {
"keyword": "facebook"
}
},
{
"_index": "test_index",
"_type": "your_type",
"_id": "5",
"_score": 0.6931472,
"_source": {
"keyword": "quora"
}
}
]
}
}