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Enterprise Sovereign RAG & pgvector Hybrid Clusters: Architecting Zero-Hallucination Knowledge Engines for Production
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Enterprise Sovereign RAG & pgvector Hybrid Clusters: Architecting Zero-Hallucination Knowledge Engines for Production

DEV Community: postgres·Nexariza AI·1 day ago
#ZvG326K1
#devtopostgresql#devto#dev#vector#dense

In 2026, the era of naive vector search is officially over. If your enterprise RAG pipeline relies...

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DynamoDB changed how it bills a vector read
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DynamoDB changed how it bills a vector read

DEV Community: aws·Martin Hicks·4 days ago
#1hvOSPVM
#devtoaws#devto#dev#size#vector

A DynamoDB read of an item with a vector attribute cost 2 read units on 9th October 2026 and 1 on 22nd October. What changed, what didn't, and what I can't explain.

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Building RAG on PostgreSQL with Pgvector and Ruby on rails
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Building RAG on PostgreSQL with Pgvector and Ruby on rails

DEV Community: ruby·A.Talaat·5 days ago
#YyXo1ymA
#devtoruby#devto#dev#vector#database

🧠 Your Database Is Already a Vector Database Most RAG tutorials start the same way: "First, spin up...

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Evaluating Graph-RAG vs. Standard RAG: A Hallucination Benchmark on Fact-Dense Queries - MachineLearningMastery.com
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Evaluating Graph-RAG vs. Standard RAG: A Hallucination Benchmark on Fact-Dense Queries - MachineLearningMastery.com

In this article, you will learn how to benchmark a deterministic 3-Tiered Graph-RAG system against a standard vector RAG pipeline on fact-dense queries, and what the results reveal about matching prompt complexity to model capacity.

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Amazon S3 Vectors now supports metadata pre-filtering for higher recall on filtered searches | Amazon Web Services
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Amazon S3 Vectors now supports metadata pre-filtering for higher recall on filtered searches | Amazon Web Services

#awsnews#news#aws#vector#index

Amazon S3 Vectors now supports metadata pre filtering, delivering up to 5x higher recall on filtered searches. Filters evaluate before similarity search so scoped queries return more relevant results. Ideal for RAG, agentic apps, and document search.

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Everyone Should Know SIMD

Mitchell Hashimoto·3 months ago
#ksilZ8GE
#fafbfc#user#fafafa#background#vector

SIMD has a reputation for being complex. I've met many very good software engineers who dismiss it as something too complex to learn or a niche optimization meant for only the highest-performance software, not useful in everyday programming.

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The Evolution of 'More Like This'
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The Evolution of 'More Like This'

Hacker News·5 months ago
#48C0qOwQ

More Like This lets search start from a selected document instead of a new query. The classic approach relies on similar words; the modern approach uses embeddings and nearest-vector search.…

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How LLMs Actually Work
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How LLMs Actually Work

Hacker News·5 months ago
#iGq4kvbh
#0xkato#model#token#attention#vector

A from-the-ground-up walkthrough of how modern LLMs work, from tokens to transformer blocks to the next-token loop

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