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DataCatalog Specification v. 0.1

Bioschemas specification for describing data repositories and data catalogs in the life-sciences.


The following people have been involved in the creation of this specification document. They are all members of the Data Repositories group.

Group Leader(s)

Henning Hermjakob

Other team members


A guide for how to describe data catalogs/repositories in the life-sciences using annotation. hierarchy

This is a new Profile that fits into the hierarchy as follows:

Thing > CreativeWork > DataCatalog

Key to specification table properties where the Expected Types have been changed, or new (i.e., Bioschemas created) properties/types are green. properties/types are red.

Pending properties/types are blue.

External (i.e., from 3rd party ontology) properties/types are black.

CD = Cardinality

Property Expected Type Description CD Controlled Vocabulary
Marginality: Minimum
description Text Schema: A description of the item. ONE
keywords Text Schema: Keywords or tags used to describe this content. Multiple entries in a keywords list are typically delimited by commas.
Bioschemas: Use terms from Controlled Vocabularies where possible.
provider Organization
Schema: The service provider, service operator, or service performer; the goods producer. Another party (a seller) may offer those services or goods on behalf of the provider. A provider may also serve as the seller.
Bioschemas: Contact information for this data repository/catalog.
name Text Schema: The name of the item. ONE
rdf:type URL Bioschemas: This is used by validation tools to indentify the profile used. You must use the value specified in the Controlled Vocabulary column. ONE Missing!
url URL Schema: URL of the item. ONE
Marginality: Recommended
alternateName Text Schema: An alias for the item. MANY
citation CreativeWork
Schema: A citation or reference to another creative work, such as another publication, web page, scholarly article, etc.
dateModified Date
Schema: The date on which the CreativeWork was most recently modified or when the item's entry was modified within a DataFeed.
BioSchemas: The date on which the data catalog/repository was most recently modified.
dataset Dataset Schema: A dataset contained in this catalog. Inverse-property: includedInDataCatalog. MANY
identifier PropertyValue
Schema: The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details.
Bioschema: Unique identifier for the data catalog.
license CreativeWork
Schema: A license document that applies to this content, typically indicated by URL. ONE
publication PublicationEvent Schema: A publication event associated with the item. MANY
sourceOrganization Organization
Schema: The Organization on whose behalf the creator was working. MANY
Marginality: Optional
datePublished Date
Schema: Date of first broadcast/publication. ONE
fileFormat Text
Schema: Media type, typically MIME format (see IANA site) of the content e.g. application/zip of a SoftwareApplication binary. In cases where a CreativeWork has several media type representations, 'encoding' can be used to indicate each MediaObject alongside particular fileFormat information. Unregistered or niche file formats can be indicated instead via the most appropriate URL, e.g. defining Web page or a Wikipedia entry. MANY

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