TheSPITFIRE Ontology (spt) is based on the alignment among Dolce+DnS Ultralite(dul), the W3C Semantic Sensor Network ontology (ssn) and the Event Model-F ontology (event). @en

Ontology for representing Online Presence @en

An ontology that let users define relationships between Tag objects and URIs of Semantic Web resources @en

The Music Ontology Specification provides main concepts and properties fo describing music (i.e. artists, albums and tracks) on the Semantic Web @en

Common Tags are references to unique, well-defined concepts, complete with metadata and their own URLs. @en

A vocabulary for describing biographical information about people, both living and dead. @en