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Posted to issues-all@impala.apache.org by "Raghav Jindal (Jira)" <ji...@apache.org> on 2025/11/23 17:38:00 UTC

[jira] [Assigned] (IMPALA-14566) Add support for cosine similarity function

     [ https://issues.apache.org/jira/browse/IMPALA-14566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghav Jindal reassigned IMPALA-14566:
--------------------------------------

    Assignee: Raghav Jindal

> Add support for cosine similarity function
> ------------------------------------------
>
>                 Key: IMPALA-14566
>                 URL: https://issues.apache.org/jira/browse/IMPALA-14566
>             Project: IMPALA
>          Issue Type: Task
>            Reporter: Abhishek Rawat
>            Assignee: Raghav Jindal
>            Priority: Major
>
> The cosine similarity function measures the angle between two vectors, regardless of their length (magnitude). The use cases include measuring text similarity and is ideal when the direction (semantic meaning/concept) is more important than the magnitude.
> Impala doesn't support a native vector data type yet, so we could possibly use an ARRAY<FLOAT> data type for representing vectors.



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