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Node types and counts in the Alzheimer’s Knowledge Base listed in descending order by prevalence. Additional node types will be added over time, and counts will increase as new data sources are incorporated or existing sources are updated to newer versions.
| Node label | Total nodes, N |
| Gene | 62,407 |
| Drug | 35,063 |
| BiologicalProcess | 11,381 |
| Pathway | 4570 |
| MolecularFunction | 2884 |
| CellularComponent | 1391 |
| Symptom | 438 |
| BodyPart | 402 |
| DrugClass | 345 |
| Disease | 20 |
