The GDL project has defined a common set of metadata based on the Learning Resources Metadata Initiative(LRMI). This will ensure quality and allow for the GDL platform to present resources with a consistent set of metadata.
The Global Digital Library metadata is based on the LRMI Specification Version 1.1. The LRMI project has been inspired by other projects with similar visions in furtherance of its goal of interoperating with other specifications. These initiatives are:
Mandatory properties marked with *
GIF, JPEG, PNG or SVG
Picture for metadescription
The title of the resource.
Link til to the resources
Link til EPUB(if different than link)
The subject of the content.
The date on which the resource was created.
The individual credited with the creation of the resource.
The subject of the book, according to one of the following schemas:
Select a schema and start typing a keyword to see matching subjects. You can add multiple subjects.
Referring to numbers of pages in a book(if it is a book)
The individual credited with the translation of the resource.
The organization credited with publishing the resource.
Language code (ISO-639-2) 3-letter or ISO-639-3
The primary language of the resource.
Url or CreativeWork
A license document that applies to this content, typically indicated by URL.
A resource that was used in the creation of this resource. This term can be repeated for multiple sources.
An alignment to an established educational framework.
The purpose of the work in the context of education.
The role that describes the target audience of the content.
Approximate or typical time it takes to work with or through this learning resource for the typical intended target audience.
The typical range of ages the content’s intended end user.
Indicates reading level.
The predominant mode of learning supported by the learning resource. Acceptable values are active, expositive, or mixed.
The predominant type or kind characterizing the learning resource.
Indicates that the resource is compatible with the referenced accessibility API. (WebSchemas wiki lists possible values).
Identifies input methods that are sufficient to fully control the described resource. (WebSchemas wiki lists possible values).
Content features of the resource, such as accessible media, alternatives and supported enhancements for accessibility. (WebSchemas wiki lists possible values).
A characteristic of the described resource that is physiologically dangerous to some users. Related to WCAG 2.0 guideline 2.3. (WebSchemas wiki lists possible values).
Document and file formats for different types of e-books and content (storybooks, textbooks, etc) and other resources that are committed into the GDL platform, there are two preferred formats:
In addition, we ask for a print ready version in PDF(PDF 1.4 - 1.7).
All text needs to be encoded in UTF-8. This includes both metadata and textual content.