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The User Interface ontology allows the definition of forms for processing RDF model data, and include a bootstrap form for editing forms. It allows user interface hints such as background colors, can be associated with objects and classes.

This ontology defines a set of properties which may be used for reprenting physical quantities. Each is an RDF Property which realtes a quantity to a number which expreses the quantity in that expressed that quntity in the given unit. :bed ex:length _:a. _a: m 2. Property chaining is the equivalent of unit multiplication. Inverse properties correspond to reciprocal units. Because conventional signs for units are very case-sensitive, this ontology breaks from the normal convention that all property localnames begin with lowercase. See also http://www-ksl.stanford.edu/knowledge-sharing/papers/engmath.html

Country codes used in the WHO Mortality Database, a collection of mortality data by country, year, sex, age group, and cause of death.

The underlying ontology for wikibase

This ontology is for use in describing Workspaces. Workspaces are places where data is stored and associated policies of privacy. A given application typically stores information in several different workspaces, some being user private, some shared, and some public. it is crucial that the user has easy control over the destiny of information.

An XML language for describing Web services. This specification defines the core language which can be used to describe Web services based on an abstract model of what the service offers. It also defines the conformance criteria for documents in this language. (from homepage)

Controlled vocabularies used at Leibniz Institute for Psychology (ZPID) in SKOS format.

The Library of Congress Demographic Group Terms (LCDGT) is designed to describe the characteristics of the intended audiences of resources, and also the creators of, and contributors to, those resources.

A meta-registry system for software dependencies, with IDs like `pkg:type/namespace/name@version?qualifiers#subpath`

The identifier for an XKCD comic