The functionality of the cancer data aggregator can be described as this: a user is currently on a data portal or application (for example one of the NCI Cloud resources from the Broad Institute, ISB, or Seven Bridges Genomics). That application will connect to the Cancer Data Aggregator through an API that allows users to query parameters for data sets. The aggregator then queries across the Cancer Research Data Commons (which will be secured by Auth/AuthZ authentication), NCI Data Coordinating Centers, an