Graph-Based Approach for Advanced Analysis of Building Design models
summary
A fully automated IFC to Neo4j ETL converts IFC STEP files via an IFC web server to CSV then to nodes and relationships with auto-generated Cypher scripts; it preserves schema meta‑graph, supports multiple federated models and multi‑label inheritance, and imports thousands of entities and relationships in bulk. Demonstrated features include shortest-path indoor navigation for room-to-room routing, diffing two model versions to find added/removed elements, material queries that join multiple assignment patterns, and a Neo4j web browser plus 3D BIM viewer that run queries interactively and performantly.
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chapters (10)
- 0:00Introduction to the session
- 1:18Digital building models
- 4:24Defining the problem
- 5:36The conversion workflow
- 9:03IFC schema and standards
- 12:39Modeling relationships
- 14:17Automating conversion
- 16:08Practical analysis examples
- 20:05Future potential and outlook
- 22:46Q&A and live demonstration
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