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Scientific Extension Specification

  • Title: Scientific
  • Identifier: scientific
  • Field Name Prefix: sci
  • Scope: Item, Collection
  • Extension Maturity Classification: Proposal

Scientific metadata is considered to be data that indicate from which publication a data originates and how the data itself should be cited or referenced. Overall, it helps to increase reproducibility and citability.

Human-readable references and DOIs can be used in this extension. DOIs are persistent digital interoperable identifier that uniquely identify for digital publications. They can be registered at registration agencies affiliated with the International DOI Foundation.

This extension applies to STAC Items and STAC Collections. As these scientific information are often closely bound to the collection level and therefore are shared across all items, it is recommended adding the fields to the corresponding STAC Collection.

Item and Collection Fields

For Items, the fields are placed in the properties. For Collections, the fields are placed on the top level of the Collection.

Field Name Type Description
sci:doi string The DOI name of the data, e.g. 10.1000/xyz123. This MUST NOT be a DOIs link. For all DOI names respective DOI links SHOULD be added to the links section (see chapter "Relation types").
sci:citation string The recommended human-readable reference (citation) to be used by publications citing the data. No specific citation style is suggested, but the citation should contain all information required to find the publication distinctively.
sci:publications [Publication Object] List of relevant publications referencing and describing the data.

Publication Object

Field Name Type Description
doi string DOI of a publication referencing the data.
citation string Citation of a publication referencing the data.

doi - The DOI name of a publication which describes and references the data. The publications should include more information about the data and how it was processed. This MUST NOT be a DOI link. For all DOI names respective DOI links SHOULD be added to the links section (see chapter "Relation types").

citation - Human-readable reference (citation) of a publication which describes and references the data. The publications should include more information about the data and how it was processed. No specific citation style is suggested, but a citation should contain all information required to find the publication distinctively.

Relation types

This extension adds the following types as applicable rel types for the Link Object:

Type Description
cite-as For all DOI names specified the respective DOI links SHOULD be added to the links section with the rel type cite-as (see the IETF draft).

Implementations

None yet, still in proposal stage.