Tech & business writings

Research, essays, and working notes from the practice — how AI actually changes the way organizations build, retrieve, and decide.

Diagram: a document's structure tree derives a frozen benchmark of tasks, which retrieval systems pass or fail

The Document Writes Its Own Exam

A tagged PDF already declares how it is organized. DTAA uses that declaration to enumerate every information task the document supports — before any question is written — then measures how reliably RAG systems complete them. On eight professionally tagged documents, the best system passes 42% of task phrasings.

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Diagram: the Evidence Core loop — capture, AI structures, human confirms, trusted store

Nonprofits don’t have a data problem. They have a data-entry problem.

Community organizations do far more than they ever document; the proof is scattered across phones, chat threads, and sign-in sheets. Evidence Core accepts that chaos as input, structures it with AI, and lets humans confirm — so reports trace back to real evidence. A whitepaper for decision makers, in English and Chinese.

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Diagram: a tagged document's structure tree compiled into an evidence graph with typed edges

Don’t Chunk the Document — Compile It

Tagged PDFs carry an authoritative account of their own structure. Evidence Graph Retrieval compiles it instead of chunking it — and on held-out questions reaches perfect evidence recall at 4× less context, with recall at corpus scale that chunking cannot buy at any budget.

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Diagram: partners and users connected through one Kindness Network platform, with signups, notifications and newsletters flowing back automatically

City of Irvine features Kindness Network

The City of Irvine now points residents to meetkindness.org — the platform Cyphia Solutions built for Kindness Network. Partner institutions publish their own programs and events, community members sign up and stay informed, staff approve and broadcast — while signups, notifications, email updates, and newsletters run themselves.

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