NCCR Data Platform — Metadata & Documentation
The National Childhood Cancer Registry (NCCR) Data Platform is a secure, interactive system for exploring, discovering, and requesting de-identified cancer data for children, adolescents, and young adults (ages 0–39).
This site provides machine-readable metadata for the platform’s datasources and data dictionaries, published as linked data using standard semantic web vocabularies.
What’s here
| Section | Description |
|---|---|
| Metadata | RDF ontology files, dataset catalog, and variable-level metadata |
| Data Sources | Descriptions of the 9 NCCR datasources |
| Vocabulary | Classes and properties defined in the NCCR vocabulary |
| Usage & Examples | Code snippets for Python, R, and SPARQL |
Download files
| File | Description |
|---|---|
| nccr_vocab.ttl | Vocabulary — OWL ontology (schema) |
| nccr_datmm.ttl | Dataset catalog — DATMM 6.0.0 |
| nccr_instances.ttl | Instance data — 28,620 triples across all 9 datasources |
Citation
Childhood Cancer Data Initiative (CCDI) National Childhood Cancer Registry (NCCR) Data Platform: An interactive data platform for NCCR cancer statistics [Internet]. National Cancer Institute. DOI: 10.71925/byd9-3d93.