Hi,
I am digging into Elasticsearch for a feasibility study, I would like to
see if elasticsearch's synonym filter could help pick up rows of data that
share similar wording in a column.
I have implemented a simple prototype
- I have downloaded accounts.json from elasticsearch.org
- I placed synonym.txt to the config directory under elasticsearch install
with one line content as following
Dona=>Dale - modified an online example from "Rafat Kuc-3" to as following:
curl -XPOST 'localhost:9200/bank/account' -d '
{
"settings": {
"index" : {
"analysis" : {
"analyzer" : {
"synonym" : {
"tokenizer" : "whitespace",
"filter" : ["synonym"]
}
},
"filter" : {
"synonym" : {
"type" : "synonym",
"synonyms_path" : "synonym.txt"
}
}
}
}
},
"mappings" : {
"account" : {
"properties" : {
"firstname" : { "type" : "string", "index" : "analyzed", "analyzer" :
"synonym" }
}
}
}
}'
this is successful!
- load accounts data with
curl -XPOST 'localhost:9200/bank/account/_bulk?pretty' --data-binary
@accounts.json
this is also successful
Problem I have is: I tried to use elasticsearch/_plugin/head to search
giving account.firstname (query string) equals to "Dale", hope to get back
two rows, with firstname "Dale" and "Dona". But I only get one row back.
Can someone tell me if I am missing anything to have the synonym filter
works correctly?
I see that the pluggin head has a query function such as "fuzzy", and it
returns rows with "Hale" and "Dale", where is the rule defined and how can
I insert my own rule?
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