# Boolean similarity for elasticsearch 2.x

**URL:** <https://discuss.elastic.co/t/boolean-similarity-for-elasticsearch-2-x/120264>\
**Category:** Elasticsearch\
**Created:** [February 16, 2018, 10:22pm UTC](https://discuss.elastic.co/t/boolean-similarity-for-elasticsearch-2-x/120264 "2018-02-16T22:22:14Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Renata\_Mendonca](https://avatars.discourse-cdn.com/v4/letter/r/f14d63/32.png) [@Renata\_Mendonca](https://discuss.elastic.co/u/Renata_Mendonca)\
**Post date:** [February 16, 2018, 10:22pm UTC](https://discuss.elastic.co/t/boolean-similarity-for-elasticsearch-2-x/120264/1 "2018-02-16T22:22:14Z")

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Hi everyone,

I would like to use boolean similarity, however I am on elasticsearch 2.4 (for company reasons I cannot upgrade atm). Is there any workaround to have sth like boolean similarity on elasticsearch 2.4?

Thx in advance

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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:** [March 16, 2018, 10:22pm UTC](https://discuss.elastic.co/t/boolean-similarity-for-elasticsearch-2-x/120264/2 "2018-03-16T22:22:42Z")

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