Blog
Engineering notes, including the parts that didn't work.
Long-form writing on retrieval, graphs and ontology governance. Currently the substantial pieces live under guides and resources — links below rather than duplicates.
- 13 August 2026 · GuideHow to evaluate a retrieval system honestlyWhy answer rate is the metric that fools you, what a refusal control is, and how to compare two configurations without scoring willingness to guess as quality.
- 15 August 2026 · ResourceBuy or build: grounded answers over your own contentAn inventory of the seven systems you would own, the concurrency bug that fills a graph with duplicates, and the four questions that actually decide it.
- 15 August 2026 · GuideWhy your first ontology is always wrongNobody knows their own taxonomy before extracting it. The useful question is not how to guess right, but what it costs to change your mind.
Or read the guides instead.
7 of them, mostly vendor-neutral, on retrieval you can stand behind.