timeVocab
type: Ontology
comment: Microvocabulary capturing relations between streamed graphs and time instants. We reuse, i.e. specialize, from PROV ontology.

endsAtTime
type: DatatypeProperty
comment: The time instant at which the validity of a graph ends.
range: dateTime
sub property of: endedAtTime

generatedAtTime
type: DatatypeProperty
comment: The time instant at which a graph was generated (do we also need observedAt cf. https://github.com/streamreasoning/RSP-QL/issues/11#issuecomment-112418620?) .
range: dateTime
sub property of: generatedAtTime

receivedAtTime
type: DatatypeProperty
comment: The time instant at which a graph was received by an engine.
range: dateTime

startsAtTime
type: DatatypeProperty
comment: The time instant at which the validity of a graph starts.
range: dateTime
sub property of: startedAtTime

transmittedAtTime
type: DatatypeProperty
comment: The time instant at which a graph was transmitted to an engine.
range: dateTime