Hands-On Data
Tim HiebenthalPractical tips around Data Analytics, Analytics Engineering and Modeling from a former Marketing Analyst who transitioned into a Full-Stack Data Worker. 10 year experience in various industries, data stacks and business domains across Start- and Scale Ups
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 35 | Founded | 2 years ago | Last Issue | 22 days ago |
| Active | |||||
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handsondata.substack.comLatest Issues
Ontology Everywhere!
Ontologies have been around since the 80/90s. In the 00’s, the academic semantic web crowd was planning and building them while the rest of us were still figuring out data warehouses and “big data”.
Then Palantir went public and suddenly...
Two Paths to Agentic Analytics: Anthropic's Curated Garden vs OpenAI's Context Flood
Anthropic and OpenAI both published how they built their internal analytics agents this year. The posts landed months apart, but they converge on the same hard-won insight: raw text-to-SQL is the easy part (halfway solved since years). Wher...
Local Thoughts - How 2 days obsessing over agent memory led to DuckBrain
Three weeks ago I wrote a post about AI agent harnesses. The short version: a harness is the chassis, the steering, and the sensors - the engineering that connects a model’s power to the wheels. It gives a weaker model structure, tools, and...
AI Agent Harness demystified
Harness?!
When I first heard 'harness' in the context of AI agents, I assumed it was buzzword dressing for a system prompt. I was wrong — and the gap between those two things turns out to matter a lot.
(If you feel the way I did, I sug...
Where the Human in the Loop Still Shines in the Era of Agentic Coding
Nowadays, I usually try to use AI for any job to figure out how well it works currently and whether it would be helpful in the future. With agentic coding on the rise and the underlying models, frameworks, and surrounding tooling getting li...
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