A report listing changes to the Preferred Term of a Descriptor or Supplementary Concept Record in the Medical Subject Headings (MeSH) vocabulary. The dataset includes updates from 2023 through the 2026 release, as published by datadiscovery.nlm.nih.gov. It was last updated on February 10, 2026.
Use Cases
- Track vocabulary evolution by analyzing changes in REPLACED_VALUE and REPLACEMENT_VALUE over the Year column.
- Audit and update knowledge graphs by mapping old UI identifiers to new terms using the UPDATED_FIELD and NOTES columns.
- Validate term mappings in biomedical text-mining pipelines using the REPLACED_VALUE and REPLACEMENT_VALUE fields.
Strengths
- Covers a multi-year update period from 2023 to 2026, providing longitudinal context.
- Provides structured change tracking with specific columns for old and new values (REPLACED_VALUE, REPLACEMENT_VALUE).
- Available in multiple machine-readable formats including CSV, JSON, XML, and RDF.
Limitations
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- datadiscovery.nlm.nih.gov
- Collection Method
- Likely an official extract from the National Library of Medicine's MeSH vocabulary maintenance process.
- Time Range
- 2023 to 2026
- Freshness
- Last updated 2026-02-10 20:38:13.