Table 3 Some properties of the relations in the OBO Relation Ontology
Relation | Transitive | Symmetric | Reflexive | Antisymmetric |
|---|---|---|---|---|
is_a | + | - | + | + |
part_of | + | - | + | + |
located_in | + | - | + | - |
contained_in | - | - | - | - |
adjacent_to | - | - | - | - |
transformation_of | + | - | - | - |
derives_ from | + | - | - | - |
preceded_by | + | - | - | - |
has_participant | - | - | - | - |
has_agent | - | - | - | - |