Vocabularies currently developed and maintained @ LinkedScience.org:

• Linked Science Core Vocabulary (LSC): http://linkedscience.org/lsc/ns/
• Teaching Core Vocabulary (TEACH): http://linkedscience.org/teach/ns/

Check also the vocabularies and ontologies for spatiotemporal information hosted at ObservedChange.com:

• Management of a Crisis Vocabulary (MOAC)
• Open Time and Space Core Vocabulary  (TISC)

• Change Vocabulary (CHANGE)