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Just my thoughts and Sharing what I learn while building things.

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HalfLife: Building a Temporal Re-Ranking Engine for RAG
31 Mar 2026SYSTEMS

HalfLife: Building a Temporal Re-Ranking Engine for RAG

RAG systems fail silently when old, authoritative facts override new truths. HalfLife is the middleware layer I built to fix it — combining intent-aware query classification, multi-strategy decay functions, and a learned MLP to make retrieval time-aware.

13 min read
Amay Dixit

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About This Blog

I write about my experiences building backend systems, exploring new technologies, and contributing to open source projects. Expect technical deep-dives, lessons learned, and occasional thoughts on the dev life.

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