Notes

Blog

Notes on knowledge graphs, data modeling, GraphRAG, SQL/PGQ, GQL, and migration planning.

Technical notes and writing

Jun 13, 2026

Learning Neo4j with Mikan Oranges

Using Japanese citrus varieties to learn graph modeling with parent-child relationships, family trees, and path queries.

Jun 7, 2026

Migration planning with graphs

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

Jun 6, 2026

Learning Neo4j with Okonomiyaki

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