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 research and guides — links below rather than duplicates.
- 13 August 2026 · ResearchWhat we measured, and what we haven'tGraph retrieval participates in 87% of our question runs and has not been shown to improve accuracy over plain RAG. Why we publish the unfavourable number.
- 15 August 2026 · EngineeringFrom nine documents lost to zeroA pipeline that silently dropped 4% of a corpus, a step consuming 348% of the timeout budget, and the four fixes — none of which was faster code.
- 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.
Nine of them, mostly vendor-neutral, on retrieval you can stand behind.