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Figure 2 | BMC Bioinformatics

Figure 2

From: Federated ontology-based queries over cancer data

Figure 2

caBIG® semantic infrastructure and semantic layer built in our COnQueST system. Figure 2: Different levels of metadata in the caBIG® semantic infrastructure shown for two data sources that share a common data element (CDE). The CDE is annotated with concepts from the NCI thesaurus ontology. The top part of the diagram (above the dotted line) shows the ontologies built in the COnQueST system to facilitate ontology-based queries over caBIG® data services.

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BMC Bioinformatics

ISSN: 1471-2105

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