# Do MLT queries in Elasticsearch use term vectors?

**URL:** <https://discuss.elastic.co/t/do-mlt-queries-in-elasticsearch-use-term-vectors/21925>\
**Category:** Elasticsearch\
**Created:** [January 30, 2015, 5:01pm UTC](https://discuss.elastic.co/t/do-mlt-queries-in-elasticsearch-use-term-vectors/21925 "2015-01-30T17:01:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Max\_Charas](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/max_charas/32/889_2.png) [@Max\_Charas](https://discuss.elastic.co/u/Max_Charas)\
**Post date:** [January 30, 2015, 5:01pm UTC](https://discuss.elastic.co/t/do-mlt-queries-in-elasticsearch-use-term-vectors/21925/1 "2015-01-30T17:01:44Z")

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Do more like this queries  
[http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-mlt-query.html](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-mlt-query.html) in  
Elasticsearch (1.4.2) make use of term vectors if these ar activated?

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**Author:** ![gambol38](https://avatars.discourse-cdn.com/v4/letter/g/c5a1d2/32.png) [@gambol38](https://discuss.elastic.co/u/gambol38)\
**Post date:** [February 5, 2015, 4:57pm UTC](https://discuss.elastic.co/t/do-mlt-queries-in-elasticsearch-use-term-vectors/21925/2 "2015-02-05T16:57:35Z")

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I'm having hard times debugging Elasticsearch 1.4.2 and yes it seems so,  
but only when using the more like this query, not when using the more like  
this action.  
The more like this action seems to fetch the source field, extract the  
value of your mlt fields, then to re-analyze them.

On Friday, January 30, 2015 at 6:01:44 PM UTC+1, Max Charas wrote:

> Do more like this queries  
> [http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-mlt-query.html](http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-mlt-query.html) in  
> Elasticsearch (1.4.2) make use of term vectors if these ar activated?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 12:34am UTC](https://discuss.elastic.co/t/do-mlt-queries-in-elasticsearch-use-term-vectors/21925/3 "2017-07-06T00:34:42Z")

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