Notes

Blog

Hands-on notes on technologies I use, what they make possible, where they become difficult, and the details that matter in practice.

A row of colorful glass bottles displayed in a museum

Published Here

Sep 23, 2026

Why Knowledge Should Survive the LLM

Why reusable knowledge should live outside any one LLM, preserve changes in meaning, keep multiple perspectives, and remain traceable over time.

Technology

Jul 11, 2026

FB15K: Loading FB15K-237 into Neo4j

A practical Cypher import—and what a graph of MIDs and 237 relation names reveals about knowledge graph benchmark data.

Knowledge Graph

Jul 11, 2026

FB15K: Understanding the Dataset

What FB15K and FB15K-237 contain, why inverse relations matter, and what these widely used benchmarks actually measure.

Knowledge Graph

Jul 10, 2026

COVID-19: Same Patient, Different Data

How mixed CSV and Excel files, Japanese character encodings, source-specific patient IDs, and conflicting values turned COVID-19 data integration into an identity and provenance problem.

Data Quality

Jun 7, 2026

Migration Planning: Using Graphs

How graph modeling can help clarify dependencies, inconsistencies, validation points, and cutover risks in system and data migration.

Migration

Updated Jul 11, 2026

Jun 6, 2026

Learning Neo4j: Okonomiyaki

Using a familiar food domain to learn graph modeling with shops, places, noren relationships, ingredients, and cooking steps.

Neo4j

Updated Jul 11, 2026

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