Is related to Used to indicate that one entity has a complex relationship with another entity that is not a simple, hierarchical parent-child relationship. For example, this term can be used to express the fact that an instrument cleaning Action is related to an instrument deployment action even though it may be performed as part of a separate site visit. Used for related Actions. ODM2 Controlled Vocabulary Relationship Type CV ODM2 Working Group A vocabulary for describing the type of relationship between two entities in an ODM2 database. Examples include related Actions, Results, datasets, etc. The RelationshipType describes the nature of the relationship between the two entity instances (e.g., a Specimen SamplingFeature "was collected at" a Site SamplingFeature).