PROV-ISSUE-30 (name-for-bob): What name do we use for the BOB construct? [Conceptual Model]

PROV-ISSUE-30 (name-for-bob): What name do we use for the BOB construct? [Conceptual Model]

http://www.w3.org/2011/prov/track/issues/30

Raised by: Luc Moreau
On product: Conceptual Model

How do we call the construct referred to as BOB.  "BOB" was introduced as a placeholder at F2F1. Before F2F1, we use to refer to it as thing.