Provision to retrieve matched tokens ( From lucene ) and position directly

Elastic Stack Elasticsearch
1

Hi ,

I would like to know if there is any way to retrieve the matched token from
the index rather than the _source feed or any other feed stored.

So if the text is "elephant is a big ANIMAL" and i search for the term
"animal" , my expected result is ( Assuming i have applied the analyzer
with lowercase)

{
"token" : "animal",
"start_offset" : 20,
"end_offset" : 28,
"type" : "",
"position" : 5
}

Is this possible with Elasticsearch ?

Thanks
Vineeth

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2

Unfortunately, even at the Lucene level, this is something which is not
doable (yet[1]). The API that looks the closest to what you are looking for
is the term vectors API[2], which will be available in Elasticsearch 1.0.

[1] https://issues.apache.org/jira/browse/LUCENE-2878
[2]
http://www.elasticsearch.org/guide/en/elasticsearch/reference/master/search-termvectors.html

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Adrien Grand

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