---
name: buildata-residential-batch
version: 3
generatorVersion: 4.0.0-ifc-native
task_categories: [graph-ml, node-classification, link-prediction, material-prediction]
tags: [BIM, IFC, architecture, building, graph-neural-network, synthetic, material, pset]
license: cc-by-4.0
---

# buildata-residential-batch

Buildata v4.0.0-ifc-native synthetic BIM dataset. Buildings as semantic IFC graphs with real property sets,
material nodes, and topology — designed for training Graph Neural Networks on building data.

## Statistics

| Metric | Value |
|---|---|
| Buildings | 4 |
| Nodes | 4,234 |
| Edges | 8,969 |
| Typology | residential |
| IFC Schema | IFC4X3_ADD2 |
| Semantic density | 100.0% |
| Pset coverage | 99.4% |
| Avg quality score | 0.895 |
| Split | train:4 |

## Entity distribution (top 5)
- IfcBeam: 1152
- IfcWall: 1008
- IfcColumn: 768
- IfcSpace: 432
- IfcOpeningElement: 371

## Relation distribution (top 5)
- RelContainedInSpatialStructure: 3347
- hasMaterial: 2976
- RelSpaceBoundary: 1368
- RelAggregates: 488
- RelVoidsElement: 371

## Material distribution (top 5)
- Concrete: 1216
- Timber: 1003
- Gypsum: 264
- Brick: 253
- CLT: 244

## Training tasks
- `bim_element_classification` — predict IFC entity from features
- `metadata_completion` — predict missing BIM properties
- `relation_prediction` — predict edge relation type
- `building_topology_learning` — learn spatial structure
- `ifc_reasoning` — validate IFC rules
- `material_prediction` — predict element material (new in v3)

## Property sets included (from IFC4X3 Annex A)
Pset_WallCommon · Pset_DoorCommon · Pset_WindowCommon · Pset_SpaceCommon ·
Pset_SlabCommon · Pset_ColumnCommon · Pset_BeamCommon · Pset_BuildingCommon ·
Pset_BuildingStoreyCommon · Pset_SpaceOccupancyRequirements ·
Pset_SpaceFireSafetyRequirements · Pset_SpaceThermalLoad ·
Pset_DoorWindowGlazingType · Pset_SpaceCoveringRequirements

## Citation
```bibtex
@dataset{buildata_v3_2026,
  title = {Buildata: Synthetic BIM Dataset for AI},
  year  = {2026},
  note  = {Generated with Buildata 4.0.0-ifc-native}
}
```
