Koji Annoura

Koji Annoura is a Knowledge Graph Architect based in Japan.

His work focuses on turning knowledge into traceable data: preserving knowledge, comparing different views, tracking changes over time, and making provenance visible.

His talks cover practical knowledge modeling, graph databases, graph query standards, open-source data systems, Context Graphs, and AI-assisted knowledge workflows. He is especially interested in how graph models can connect knowledge, evidence, decisions, and time in a traceable way.

He co-founded Neo4j Users Group Tokyo in 2013 and founded Apache Hop User Group Japan in 2021.