Hong Kong AI Podcast

EP07: Why Search Is Broken & What Comes After RAG (Michelangiolo Mazzeschi)

1 h 1 min · 4. maj 2026
episode EP07: Why Search Is Broken & What Comes After RAG (Michelangiolo Mazzeschi) cover

Description

Michelangiolo quit quantitative finance during COVID to teach himself computer science from his home in Italy — now he builds some of the most interesting search infrastructure in Hong Kong. We dig into why vanilla RAG is broken, his "covariate search" approach that applies variable weights across multiple semantic dimensions at once, and an algorithmic tagging method he's publishing that aims to outperform zero-shot LLM labelling at scale. Then the fun part: Michelangiolo wrote and illustrated a 460-page Lovecraftian comic called "The Crimson Duke" using Midjourney — discovering a probabilistic consistency trick for character generation along the way.

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episode EP14: Floppy Disks, Language Models & the I-Ching (Cantonese) (Dr. Bruce Cheung) artwork

EP14: Floppy Disks, Language Models & the I-Ching (Cantonese) (Dr. Bruce Cheung)

Dr. Bruce Cheung (張維) has been doing AI in Hong Kong since before most people had a computer. One of the first Computer Science graduates from HKU in 1985, he built statistical language models on floppy disks using LISP and Prolog — decades before anyone said 'LLM.' Now Head of the College of Life Sciences and Technology at HKU SPACE, he bridges AI with law and education, arguing that Hong Kong's universities have been quietly world-class in AI research since the 1980s while the public only noticed when ChatGPT arrived. Plus: why Manus costs too much, whether Gemini will ever serve Hong Kong, ADHD in the AI age, and Aug's theory that the I-Ching is the 'bones' for structured AI thinking — which Bruce agrees with.

22. juni 20261 h 2 min