NPL Report MS 31 I TERMINOLOGY Data CurationOrganization and integration of data collected from various sources, annotation of the data, and publication and presentation of the data such that the value of the data is maintained over time, and the data remains available for reuse and preservation. Data Interoperability Addresses the ability of systems and services that create, exchange and consume data to have clear, shared expectations for the contents, context and meaning of that data. Data Integration Aggregation of datasets from heterogeneous sources by linking, combination or fusion. Data Provenance A history of the dataset that captures its origin, purpose and all modifications it underwent since its creation. FAIR principles A set of guiding principles to make data Findable, Accessible, Interoperable and Re-usable. MeasurementThe process of experimentally obtaining one or more quantity values that can reasonably be attributed to a quantity. MetadataA set of descriptors of the dataset that make the dataset easier to locate, understand and use. Metadata can include information about the purpose of the dataset creation, the experimental setup or the data formats. Depending on the nature of the investigation, metadata can be data in its own right. OntologyA formal representation of a knowledge domain that comprises a vocabulary of terms, as well as relations between them. An ontology can be presented as a knowledge graph where terms are depicted as vertices and relationships as edges. ReproducibilityCondition of measurement, out of a set of conditions that includes different locations, operators, measuring systems, and replicate measurements on the same or similar objects. TraceabilityProperty of a measurement result whereby the result can be related to a reference through a documented unbroken chain of calibrations, each contributing to the measurement uncertainty. Uncertainty of MeasurementThe parameter characterizing the dispersion of the quantity values being attributed to a measurand
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