PCA Reference Data and Services
Toggle Dark/Light/Auto modeToggle Dark/Light/Auto modeToggle Dark/Light/Auto mode


A class with identifier http://rds.posccaesar.org/ontology/lis14/rdl/QualityDatum

MetadataThis section provides information about 'QualityDatum' itself.

Source ontologyIndustrial Data Ontology
is primitivetrue
natural language definitionAn information object that quantifies a quality.
primitive rationaleA precise account of the notion of representation of magnitudes is beyond scope of IDO.
usage noteQuantification may be on nominal, ordinal, and other scales.
This class may be used for data that don't fit the restriction to "single unit, single number" of 'scalar quantity datum', including data employing vectors instead of numbers, and conventional categories like "high" and "medium".
CommentThis class is inspired by the class "measurement datum" of the Information Artifact Ontology (IAO). The change of wording from "measurement" to "quality" is intended to support cases where measurement is not involved, such as with nominal values.
See alsoobo:IAO_0000109
Example10 volts, high (of pressure), low (of temperature), category 3 (as used to rate the strength 'quality' of a storm), 3 MB (a file size), qualifications, grades.
scope noteIntroduce subclasses of 'quality datum' in RDL to distinguish categories of data, such as nominal versus measured values.

ConstraintsThis section lists constraints that members of 'QualityDatum' shall satisfy.

ContextThis section provides super- and subtypes as well as members of 'QualityDatum'.