An RDF vocabulary for representing web services and web-based APIs, from RESTful APIs (including RSS feeds, OAI-PMH endpoints, SPARQL endpoints etc.) to SOAP web services to XML/RPC web services etc...
A top-domain ontology that provides definitions for the foundational entities of biomedicine as a basic vocabulary to unambiguously describe facts in this domain.
MeSH is the National Library of Medicine's controlled vocabulary thesaurus. It consists of sets of terms naming descriptors in a hierarchical structure that permits searching at various levels of...
Resource Equity has developed their own standard list of topical keywords, specific to their focus area: Gender & land rights. The topical keywords are a simple list with no hierarchy, nor is it...
Simple Knowledge Organization System (SKOS) is a common data model for sharing and linking knowledge organization systems via the Web. Many knowledge organization systems, such as thesauri,...
YAGO2s is a huge semantic knowledge base, derived from Wikipedia WordNet and GeoNames. Currently, YAGO2s has knowledge of more than 10 million entities (like persons, organizations, cities, etc.) and...