Are tasks accomplished by at least one device ?

Affects: SAREF

Situation: The axiom below states that each and every task is accomplished by at least one device. This restriction is too strong and not necessary. One should be able to describe a task even if no device accomplishes it.

Axiom subClassOf( saref:Task ObjectMinCardinality ( 1 saref:isAccomplishedBy saref:Device ) )

Proposal: To remove these axioms.

Status: agreed during SmartM2M-2nd RG Meeting about 2 NWIs SAREFv3 and SAREF Com Framework V2 2019-05-06

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