# \#sdr

**URL:** https://forum.thousandbrains.org/tag/sdr/64.md

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## [ChatGPT on Sparse Data Representations](https://forum.thousandbrains.org/t/chatgpt-on-sparse-data-representations/960)

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**Author:** [@Rich\_Morin](https://forum.thousandbrains.org/u/Rich_Morin)\
**Replies:** 7\
**Last updated:** [January 18, 2026, 6:49am UTC](https://forum.thousandbrains.org/t/chatgpt-on-sparse-data-representations/960 "2026-01-18T06:49:44Z")

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I’ve been vaguely in tune with Sparse Data Representations (SDRs) since reading “On Intelligence”. Indeed, the idea has reminded me of similar ideas (e.g., cosine similarity, genetic algorithm encodings). However, I’ve a…