Is located at Used to indicate that a source is located at, or in proximity to, the target source Location I have used this often particularly in RelatedFeatures where a particular sample or specimen it located near, or at, a reference site 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).