1 class Personne(EntityType):

     2     nom = String()

     3     prenom = String()

     4     type = String()

     5     travaille = SubjectRelation('Societe')

     6     evaluee = SubjectRelation(('Note', 'Personne'))

     7     connait = SubjectRelation('Personne', symetric=True)

     8     

     9 class Societe(EntityType):

    10     nom = String()

    11     evaluee = SubjectRelation('Note')

    12     

    13 class Note(EntityType):

    14     type = String()

    15     ecrit_par = SubjectRelation('Personne')

    16 

    17 class SubNote(Note):

    18     __specializes_schema__ = True

    19     descr = String()

    20 

    21 class tags(RelationDefinition):

    22     subject = 'Tag'

    23     object = ('Personne', 'Note')

    24 

    25 class evaluee(RelationDefinition):

    26     subject = 'EUser'

    27     object = 'Note'