1
我是elasticsearch的新手。 我想要实现span的功能,在精确的词组匹配和精确的词序列匹配之后,还要考虑到子串匹配。Elasticsearch:Span_near和子字符串匹配
例如:
文件我对指数:
- 男子霜
- 男士抗皱霜
- 男子先进的除皱霜
- 妇女霜
- 妇女抗皱霜
- women's advanc ED抗皱霜
如果我搜索“男人的精华”,我要得到相同的序列如上图所示。 预期的搜索结果:
- 男子霜 - >精确短语匹配
- 男士抗皱霜 - >与
slop 1
- 男子的高级抗皱霜的搜索字词顺序 - >搜索词序列与
slop 2
- 女士霜 - >子字符精确短语匹配
- 女士皱纹膏 - >子字符串搜索字词序列
slop 1
名
- 妇女先进的除皱霜 - >搜索子项序列与
slop 2
我能达到前3周的结果与span_near
已经嵌套span_terms
与slop = 2
和in_order = true
。
我不能去实现它剩下的4至6,因为span_near是有嵌套span_terms不支持wildcard
,在这个例子中“男人的奶油” OR“男子霜”。 有什么方法可以使用ELASTICSEARCH实现它?
最新通报
我的指数:
{
"bluray": {
"settings": {
"index": {
"uuid": "4jofvNfuQdqbhfaF2ibyhQ",
"number_of_replicas": "1",
"number_of_shards": "5",
"version": {
"created": "1000199"
}
}
}
}
}
映射:
{
"bluray": {
"mappings": {
"movies": {
"properties": {
"genre": {
"type": "string"
}
}
}
}
}
}
我运行下面的查询:
POST /bluray/movies/_search
{
"query": {
"bool": {
"should": [
{
"span_near": {
"clauses": [
{
"span_term": {
"genre": "women"
}
},
{
"span_term": {
"genre": "cream"
}
}
],
"collect_payloads": false,
"slop": 12,
"in_order": true
}
},
{
"custom_boost_factor": {
"query": {
"match_phrase": {
"genre": "women cream"
}
},
"boost_factor": 4.1
}
},
{
"match": {
"genre": {
"query": "women cream",
"analyzer": "standard",
"minimum_should_match": "99%"
}
}
}
]
}
}
}
这是给我下面的结果:
"took": 3,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"failed": 0
},
"hits": {
"total": 6,
"max_score": 0.011612939,
"hits": [
{
"_index": "bluray",
"_type": "movies",
"_id": "u9aNkZAoR86uAiW9SX8szQ",
"_score": 0.011612939,
"_source": {
"genre": "men's cream"
}
},
{
"_index": "bluray",
"_type": "movies",
"_id": "cpTyKrL6TWuJkXvliibVBQ",
"_score": 0.009290351,
"_source": {
"genre": "men's wrinkle cream"
}
},
{
"_index": "bluray",
"_type": "movies",
"_id": "rn_SFvD4QBO6TJQJNuOh5A",
"_score": 0.009290351,
"_source": {
"genre": "men's advanced wrinkle cream"
}
},
{
"_index": "bluray",
"_type": "movies",
"_id": "9a31_bRpR2WfWh_4fgsi_g",
"_score": 0.004618556,
"_source": {
"genre": "women's cream"
}
},
{
"_index": "bluray",
"_type": "movies",
"_id": "q-DoBBl2RsON_qwLRSoh9Q",
"_score": 0.0036948444,
"_source": {
"genre": "women's advanced wrinkle cream"
}
},
{
"_index": "bluray",
"_type": "movies",
"_id": "TxzCP8B_Q8epXtIcfgEw3Q",
"_score": 0.0036948444,
"_source": {
"genre": "women's wrinkle cream"
}
}
]
}
}
这是不正确的。为什么当我搜索女性时会先搜索男性?
注意:搜索“男士霜”仍然会返回更好的结果,但不会遵循搜索词序列。
我试图运用指标说明如下:http://stackoverflow.com/questions/9421358/filename-search-with-elasticsearch,但仍然没有以搜索字词顺序返回子字符串结果。我也用这里提供的要点 - > http://sense.qbox.io/gist/db82c3fca956c8bffae19559b1fe3108c101e851,这也没有给我想要的结果。 –
你是否找到了解决方案?我也有同样的问题。 – letalumil