---
title: "Discussion on \"Semantic Search Found the Playbook but Missed the “Not”\" | Hashnode"
description: "Discussion on \"Semantic Search Found the Playbook but Missed the “Not”\". A containerised experiment compares phrase matching with semantic search, showing recovered matches, missed negation, and the trade-offs of rejection rules."
url: "https://hashnode.com/posts/semantic-search-playbook-retrieval-negation/6af31c6b12d97dbc275567a9"
---

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# [Semantic Search Found the Playbook but Missed the “Not”](https://blog.codapus.studio/semantic-search-playbook-retrieval-negation?utm_source=hashnode&utm_medium=feed)

A containerised experiment compares phrase matching with semantic search, showing recovered matches, missed negation, and the trade-offs of rejection rules.

33m ago · 7 min read · blog.codapus.studio  
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-   [#ai-engineering](https://hashnode.com/tag/ai-engineering)
-   [#semantic-search](https://hashnode.com/tag/semantic-search)
-   [#embeddings](https://hashnode.com/tag/embeddings)
-   [#site-reliability-engineering](https://hashnode.com/tag/site-reliability-engineering)
-   [#sre](https://hashnode.com/tag/sre)

## Written by

[Sotiris Zacharopoulos](https://hashnode.com/@sz-codapus-studio)

@sz-codapus-studio · Dublin, Ireland

  
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