| Subject | Object |
| ?:equal (0..*) | "This ordering relation for qualitative values indicates that the subject is equal to the object."@en |
| ?:greater (0..*) | "This ordering relation for qualitative values indicates that the subject is greater than the object."@en |
| ?:greater or equal (0..*) | "This ordering relation for qualitative values indicates that the subject is greater than or equal to the object."@en |
| ?:lesser (0..*) | "This ordering relation for gr:QualitativeValue pairs indicates that the subject is lesser than the object."@en |
| ?:lesser or equal (0..*) | "This ordering relation for gr:QualitativeValue pairs indicates that the subject is lesser than or equal to the object."@en |
| ?:predecessor of (0..*) | "This property indicates that the subject is a previous, often discontinued variant of the gr:ProductOrServiceModel used as the object.
Example: Golf III predecessorOf Golf IV
This relation is transitive."@en |
| ?:successor of (0..*) | "This property indicates that the subject is a newer, often updated or improved variant of the gr:ProductOrServiceModel used as the object.
Example: Golf III successorOf Golf II
This relation is transitive."@en |