--- title: "Identification scheme" chunk: 1/1 source: "https://en.wikipedia.org/wiki/Identification_scheme" category: "reference" tags: "science, encyclopedia" date_saved: "2026-05-05T11:34:34.817649+00:00" instance: "kb-cron" --- In metadata, an identification scheme is used to identify unique records in a set. If a data element is used to identify a record within a data set, the data element uses the Identifier representation term. An identification scheme should be contrasted with a classification scheme. Classification schemes are used to classify individual records into categories. Many records in a data set may be in a single category. == See also == Classification scheme Metadata Representation term == References ==