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tool: OpenRefine

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Desktop tool to clean messy tables, match values to external identifiers such as Wikidata, and convert tables to RDF with an extension.

Desktop applicationPlug-inWeb application +3
FAIR FAIR
Life cycle PlanCollectProcessAnalysePreserveShareReuse
Licence
BSD-3-Clause
Cost
Free of charge
Source code
Open source
Activity
Active ยท last release Mar 2026
Domains
Cross-domain

About

OpenRefine helps users inspect, clean and reconcile tabular data. With RDF extensions, it can be used to transform structured data and metadata into RDF, making it useful when applying semantic models or preparing FAIR metadata and data for exposure.

Where it fits in the FAIR Metroline

Metroline steps

Use cases

Related tools

Ontotext Refine Ontotext Refine OpenRefine-based tool from Ontotext to clean tabular, JSON or XML data and map it visually to RDF for loading into GraphDB. Cross-domain GraphDB GraphDB RDF database (triplestore) with a SPARQL endpoint, reasoning and SHACL validation; the Free edition needs a free licence key, Enterprise is paid. Cross-domain

Adoption and activity

12057GitHub stars
3.10.1latest release ยท Mar 2026
Oct 2026last code change

From GitHub, 23 Oct 2026.

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