A publisher is an organization that publishes. The owner of a publishing company may be a person, and the name of the publisher may be the name of a person.
(=> (Publisher ?X) (Value-Cardinality ?X Publisher.Name 1)) (=> (Publisher.Name $X $Y) (Publisher $X)) (=> (Publisher.Address $X $Y) (Publisher $X)) (=> (Doc.Publisher $X $Y) (Publisher $Y))