. . . "A relation between an Observation and the entity whose quality was observed, or between an Actuation and the entity whose property was modified, or between an act of Sampling and the entity that was sampled."@en . . "has feature of interest"@en . . . . . . . . . . . . "For example, in an Observation of the weight of a person, the FeatureOfInterest is the person and the property is its weight."@en . "A relation between an Observation and the entity whose quality was observed, or between an Actuation and the entity whose property was modified, or between an act of Sampling and the entity that was sampled."@en . . . . . . . . .