{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["009:25"], "contactPoint": {"@type": "vcard:Contact", "fn": "National Library of Medicine", "hasEmail": "mailto:custserv@nlm.nih.gov"}, "description": "Medical Subject Headings (MeSH) is a hierarchically-organized terminology for indexing and cataloging of biomedical information. It is used for the indexing of PubMed and other NLM databases. Please see the Terms and Conditions for more information regarding the use and re-use of MeSH. NLM produces Medical Subject Headings XML, ASCII, MARC 21 and RDF formats. \n\nUpdates to the data files are made according to the following schedule:\n\nMeSH XML\nMeSH Descriptor files updated annually\nMeSH Qualifier files updated annually\nMeSH Supplemental Concept Records (SCR) updated daily (Monday - Friday)\n\nMeSH ASCII\nMeSH Descriptor files updated annually\nMeSH Qualifier files updated annually\nMeSH Supplemental Concept Records (SCR) updated daily (Monday - Friday)\n\nMeSH MARC21\nAll files posted monthly\n\nMeSH RDF\nAll files posted daily (Monday - Friday)", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://nlmpubs.nlm.nih.gov/projects/mesh/rdf/2022/", "mediaType": "application/rdf+xml", "title": "Download - MeSH - Current Production Year"}, {"@type": "dcat:Distribution", "downloadURL": "https://nlmpubs.nlm.nih.gov/projects/mesh/MESH_FILES/xmlmesh/", "mediaType": "application/xml", "title": "Download - MeSH - Current Production Year"}, {"@type": "dcat:Distribution", "downloadURL": "https://nlmpubs.nlm.nih.gov/projects/mesh/MESH_FILES/meshmarc/", "mediaType": "text/html", "title": "Download - MeSH - Current Production Year"}, {"@type": "dcat:Distribution", "downloadURL": "https://nlmpubs.nlm.nih.gov/projects/mesh/MESH_FILES/asciimesh/", "mediaType": "text/html", "title": "Download - MeSH - Current Production Year"}, {"@type": "dcat:Distribution", "description": "Directories 1999-2010\n-All the yearly release files produced by MeSH from 1999 to 2010\n\nDirectories 2011-2016\n-These directories contain the yearly release file of MeSH. These files are distributed in November of the prior MeSH year and do not get updated.\n\nRDF MESH N-TRIPLE DATA folders - for info see https://id.nlm.nih.gov/mesh/", "downloadURL": "https://nlmpubs.nlm.nih.gov/projects/mesh/", "mediaType": "text/html", "title": "Download - MeSH - Archive of Prior Production Years"}, {"@type": "dcat:Distribution", "description": "The SPARQL 1.1 endpoint returns RDF results and graphs.  The lookup API returns simple JSON.", "downloadURL": "https://id.nlm.nih.gov/mesh/swagger/ui#/", "mediaType": "text/html", "title": "API - MeSH RDF SPARKL endpoint"}, {"@type": "dcat:Distribution", "description": "The browser offers two search methods: FullWord Search and SubString Search.  Each method can be further modified to search by Exact Match, All Fragments, or Any Fragment.  ", "downloadURL": "https://meshb.nlm.nih.gov/search", "mediaType": "text/html", "title": "Query Interface - MeSH Browser - Current Production Year"}, {"@type": "dcat:Distribution", "description": "Resources supporting the RDF serialization of the Medical Subject Headings (MeSH).", "downloadURL": "https://id.nlm.nih.gov/mesh/", "mediaType": "text/html", "title": "MeSH RDF Resources"}, {"@type": "dcat:Distribution", "description": "MeSH on Demand identifies MeSH Terms in your text using the NLM Medical Text Indexer (MTI) program. After processing, MeSH on Demand returns a list of MeSH Terms relevant to your text as well as a list of related articles from PubMed.", "downloadURL": "https://meshb.nlm.nih.gov/MeSHonDemand", "mediaType": "text/html", "title": "MeSH on Demand"}], "identifier": "https://datadiscovery.nlm.nih.gov/api/views/arcv-nkd5", "issued": "2020-08-06", "keyword": ["api", "dataset", "health data standards", "terminologies"], "landingPage": "https://www.nlm.nih.gov/mesh/meshhome.html", "license": "http://opendefinition.org/licenses/odc-odbl/", "modified": "2025-07-16", "programCode": ["009:041"], "publisher": {"@type": "org:Organization", "name": "National Library of Medicine"}, "theme": ["Terminology"], "title": "Medical Subject Headings (MeSH)"}