anchor.diff:  		(:city :string ,(s-prefix "locn:postName"))
   		(:created :date ,(s-prefix "dcterms:created"))
   		(:modified :date ,(s-prefix "dcterms:modified")))
  -  :resource-base (s-url "http://backstage.bravoer.be/api/addresses/")
     :authorization (list :show (s-prefix "auth:show")
                          :update (s-prefix "auth:update")
                          :create (s-prefix "auth:create")
                          :delete (s-prefix "auth:delete"))
  +  :resource-base (s-url "http://data.bravoer.be/id/addresses/")
     :on-path "addresses")
   
   (define-resource telephone ()
     :class (s-prefix "vcard:Voice")
     :properties `((:value :url,(s-prefix "rdf:value")))
  -  :resource-base (s-url "http://backstage.bravoer.be/api/telephones/")
     :authorization (list :show (s-prefix "auth:show")
                          :update (s-prefix "auth:update")
                          :create (s-prefix "auth:create")
                          :delete (s-prefix "auth:delete"))
  +  :resource-base (s-url "http://data.bravoer.be/id/telephones/")
     :on-path "telephones")
   
   
  
positive.code: ;; a user-group can contain other user-groups
  ;;              can contain users
  ;;              has authorization types on objects
  (define-resource userGroup ()
    :class (s-prefix "foaf:Group")
    :resource-base (s-url "http://mu.semte.ch/application/groups/")
    :properties `((:name :string ,(s-prefix "foaf:name")))
    :has-many `((user :via ,(s-prefix "auth:belongsToActorGroup")
  		    :inverse t
  
negative.code:                 (:status :string ,(s-prefix "bravoer:status"))
  		(:created :date ,(s-prefix "dcterms:created"))
  		(:modified :date ,(s-prefix "dcterms:modified")))
    :resource-base (s-url "http://data.bravoer.be/id/scores/")
    :has-many `((part :via ,(s-prefix "nie:isLogicalPartOf")
  			   :inverse t
  			   :as "parts"))
  