One treatment of this idea comes from Cass Sunstein and Richard Thaler's "Nudge".

Entity and relation annotations:
id: 0
type: entity
value: text: Cass Sunstein
labels: <Person>
id: 1
type: entity
value: text: Richard Thaler
labels: <Person>
id: 2
type: entity
value: text: "Nudge"
labels: <Work_of_art>
type: relation
to_id: 2
labels: Person:creates:Work_of_art
from_id: 1