Notes

1. Membership is represented by using a MembershipRole to associate a person with an organization (a committee, or other organization).
2. The MembershipRole is associated with the organization using vivo:roleContributesTo and vivo:contributingRole
3. The MembershipRole has an optional label.  The label is used to indicate the whether the person is "Chair" or "Member" or some other term that further describes the membership.