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Or, follow the steps below to browse ontologies.\n\n1. Navigate to the Seven Bridges GitHub repository for all published ontologies at https://github.com/sbg/public-ontologies.\n2. Click on the **Ontologies** folder.\n3. Select the relevant folder.\n4. Choose an RDF file containing the versioned ontology you wish to access.\n\n##Ontology organization and versioning\n\nOntologies are carefully versioned and maintained in our repository. Each ontology folder contains further folders which represent specific versions of the ontology. Each version folder contains only one data.rdf file which is a specific version of the ontology.\n\nVersioning is preserved in the name of the version folders, with the following format: YEAR.MONTH.PATCH. For instance, 2014.4.1 is the first patch of the 2017.4.0 release which occurred in April of 2017.\n\n##Table of versioned ontologies\n\nBelow, find a table of versioned ontologies available. Versioning information is provided in the YEAR.MONTH.PATCH format.\n[block:parameters]\n{\n  \"data\": {\n    \"0-0\": \"TCGA (Data Browser)\",\n    \"1-0\": \"TCGA (file specific)\",\n    \"2-0\": \"CCLE (Data Browser)\",\n    \"3-0\": \"CCLE (file specific)\",\n    \"4-0\": \"Cancer (Data Browser)\",\n    \"5-0\": \"Cancer (file specific)\",\n    \"0-1\": \"TCGA\",\n    \"2-1\": \"CCLE\",\n    \"3-1\": \"CCLE\",\n    \"4-1\": \"TCGA GRCh38\",\n    \"5-1\": \"TCGA GRCh38\",\n    \"1-1\": \"TCGA\",\n    \"h-0\": \"Name of ontology\",\n    \"h-1\": \"Dataset\",\n    \"h-2\": \"Version\",\n    \"h-3\": \"Ontology URL\",\n    \"0-2\": \"2014.11.1\",\n    \"1-2\": \"2014.11.1\",\n    \"2-2\": \"2016.5.1\",\n    \"3-2\": \"2016.5.1\",\n    \"4-2\": \"2017.4.1\",\n    \"5-2\": \"2017.4.1\",\n    \"0-3\": \"https://semantics.sbgenomics.com/ontology/tcga-data-browser/2014.11.1\",\n    \"1-3\": \"https://semantics.sbgenomics.com/ontology/tcga-file-specific/2014.11.1\",\n    \"2-3\": \"https://semantics.sbgenomics.com/ontology/ccle-data-browser/2016.5.1\",\n    \"3-3\": \"https://semantics.sbgenomics.com/ontology/ccle-file-specific/2016.5.1\",\n    \"4-3\": \"https://semantics.sbgenomics.com/ontology/cancer-data-browser/2017.4.1\",\n    \"5-3\": \"https://semantics.sbgenomics.com/ontology/cancer-file-specific/2017.4.1\"\n  },\n  \"cols\": 4,\n  \"rows\": 6\n}\n[/block]\n##Resources\n\n* [SPARQL metadata ontologies](doc:sparql-metadata-ontologies) \n* [Query via SPARQL](doc:query-via-sparql) \n* [Access data from SPARQL](doc:access-data-from-sparql)\n* [TCGA GRCh38 metadata](doc:tcga-grch38-metadata) \n* [TCGA metadata](doc:tcga-metadata)  \n* [CCLE metadata](doc:ccle-metadata)","excerpt":"","slug":"dataset-ontologies","type":"basic","title":"Dataset ontologies"}

Dataset ontologies


[block:callout] { "type": "warning", "title": "On this page", "body": "* [Overview](#section-overview)\n* [Access ontologies](#section-access-ontologies)\n* [Ontology organization and versioning](#section-ontology-organization-and-versioning)\n* [Table of versioned ontologies](#section-table-of-versioned-ontologies)\n* [Resources](#section-resources)" } [/block] ##Overview On this page, learn more about the metadata ontologies for TCGA, TCGA GRCh38, and CCLE which are used in the [Data Browser](doc:about-the-data-browser) , [the SPARQL endpoint](doc:about-sparql), and [the Datasets API](doc:about-the-datasets-api) . These ontologies are schemas for datasets exposed on the opensparql endpoint and are good resources to stay up-to-date on the structure and versioning of the schema for data on the CGC. ##Access ontologies Access ontologies directly using the URLs in the [table below](#section-table-of-versioned-ontologies). Or, follow the steps below to browse ontologies. 1. Navigate to the Seven Bridges GitHub repository for all published ontologies at https://github.com/sbg/public-ontologies. 2. Click on the **Ontologies** folder. 3. Select the relevant folder. 4. Choose an RDF file containing the versioned ontology you wish to access. ##Ontology organization and versioning Ontologies are carefully versioned and maintained in our repository. Each ontology folder contains further folders which represent specific versions of the ontology. Each version folder contains only one data.rdf file which is a specific version of the ontology. Versioning is preserved in the name of the version folders, with the following format: YEAR.MONTH.PATCH. For instance, 2014.4.1 is the first patch of the 2017.4.0 release which occurred in April of 2017. ##Table of versioned ontologies Below, find a table of versioned ontologies available. Versioning information is provided in the YEAR.MONTH.PATCH format. [block:parameters] { "data": { "0-0": "TCGA (Data Browser)", "1-0": "TCGA (file specific)", "2-0": "CCLE (Data Browser)", "3-0": "CCLE (file specific)", "4-0": "Cancer (Data Browser)", "5-0": "Cancer (file specific)", "0-1": "TCGA", "2-1": "CCLE", "3-1": "CCLE", "4-1": "TCGA GRCh38", "5-1": "TCGA GRCh38", "1-1": "TCGA", "h-0": "Name of ontology", "h-1": "Dataset", "h-2": "Version", "h-3": "Ontology URL", "0-2": "2014.11.1", "1-2": "2014.11.1", "2-2": "2016.5.1", "3-2": "2016.5.1", "4-2": "2017.4.1", "5-2": "2017.4.1", "0-3": "https://semantics.sbgenomics.com/ontology/tcga-data-browser/2014.11.1", "1-3": "https://semantics.sbgenomics.com/ontology/tcga-file-specific/2014.11.1", "2-3": "https://semantics.sbgenomics.com/ontology/ccle-data-browser/2016.5.1", "3-3": "https://semantics.sbgenomics.com/ontology/ccle-file-specific/2016.5.1", "4-3": "https://semantics.sbgenomics.com/ontology/cancer-data-browser/2017.4.1", "5-3": "https://semantics.sbgenomics.com/ontology/cancer-file-specific/2017.4.1" }, "cols": 4, "rows": 6 } [/block] ##Resources * [SPARQL metadata ontologies](doc:sparql-metadata-ontologies) * [Query via SPARQL](doc:query-via-sparql) * [Access data from SPARQL](doc:access-data-from-sparql) * [TCGA GRCh38 metadata](doc:tcga-grch38-metadata) * [TCGA metadata](doc:tcga-metadata) * [CCLE metadata](doc:ccle-metadata)