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https://issues.apache.org/jira/browse/HIVE-9557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Pivovarov updated HIVE-9557:
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Description:
algo description http://en.wikipedia.org/wiki/Cosine_similarity
{code}
--one word different, total 2 words
str_sim_cosine("Test String1", "Test String2") = (2 -1) / 2 = 0.5f
{code}
was:
algo description http://en.wikipedia.org/wiki/Cosine_similarity
> Create Cosine Similarity UDF
> ----------------------------
>
> Key: HIVE-9557
> URL: https://issues.apache.org/jira/browse/HIVE-9557
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Reporter: Alexander Pivovarov
> Assignee: Alexander Pivovarov
>
> algo description http://en.wikipedia.org/wiki/Cosine_similarity
> {code}
> --one word different, total 2 words
> str_sim_cosine("Test String1", "Test String2") = (2 -1) / 2 = 0.5f
> {code}
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