Taxonomy Sources

Where do you find taxonomies, thesauri, and ontologies, both free and for purchase? We will list some sources.

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Taxonomy Warehouse

Free Web-Directory of Taxonomies

Taxonomy Warehouse is a free service (free to users and free to vocabulary publishers) provided by Synapse, the Knowledge Link Corporation (on the web at www.synaptica.com) for the benefit of the information and knowledge management community.

The Warehouse aims to provide a comprehensive directory of taxonomies, thesauri, classification schemes and other authority files from around the world, plus information about taxonomy references, resources and events.

• 510 Taxonomies
• Classified by 73 subject domains
• Produced by 260 publishers
• In 39 languages
• 65% produced in digital media
• 100 directly licensable

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Web Thesaurus Compendium

Thesauri and classifications categorized according to descriptors extracted from the OECD Macrothesaurus

aerospace industry / AIDS / archaeology / architecture / art / astronomy / chemistry / economic and social development / economics / education / Egypt / environment / folk culture / food preparation / general / geography / government / graphic arts / health / industry / legislation / linguistics / literature / mathematics / medicine / military activity / music / patents / proteins / psychology / research / sign-language / social sciences / technics / transportation / women