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schema.md

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Metadata Schema

These fields are used in the metadata records. Most fields are adapted from Dublin Core, but some are custom adaptations or ad-hoc extensions. The type column indicates whether the field is allowed to have only a single value or multiple values, or whether it's a sub-object:

  • S: single-value
  • M: multi-value
  • O: object

For some statistics on actual usage of these metadata fields in different types of document, see the statistics report.

General information

Field name Description Example Type
doctype The document type: thes, docthes, report, book or article. docthes S
subset The subset for machine learning purposes which this document belongs to, either train or test. train S
repository The name of the repository from which the record was harvested. Theseus S
id The identifier of the document. This is a DSpace URL that will show a landing page for the document. https://www.utupub.fi/handle/10024/148744 S
url The URL of the PDF document. https://www.utupub.fi/bitstream/handle/10024/148744/Kossila_Johannes_opinnayte.pdf S
rowid The sheet ID and row number of the record in the metadata curation spreadsheet. Used for tracing changes back to the spreadsheet to make corrections. thes123 S
ground_truth The ground truth metadata about the document as a sub-object, see below. { "title": "My title" } O

Ground truth metadata

The ground truth metadata is given as a separate object in the field ground_truth. In this context, "ground truth" means that the metadata corresponds with what can be seen by a human cataloguer looking at the PDF document.

Ground truth metadata can contain the following fields:

Field name Description Example Type
language The language of the resource expressed as a BCP47 language tag. fi S
title The main title of the publication. Developing a football game for Android S
alt_title Alternative or parallel titles of the publication, suffixed with a BCP47 language tag. Jalkapallopelin kehittäminen Androidille {fi} S
creator The primary author(s) of the resource. Rajala, Hanna M
year The year on which the resource was issued or made available. 2023 S
publisher The entity/entities responsible for making the resource available. Luonnonvarakeskus M
doi The Digital Object Identifier (DOI) associated with the resource. 10.1234/abcd.56789 S
e-isbn The International Standard Book Number (ISBN) associated with the resource. 978-0-123456-78-9 M
p-isbn The ISBN of the printed version of this document. 978-0-987654-32-1 M
e-issn The Electronic International Standard Serial Number (e-ISSN) of the resource. 1234-5678 S
p-issn The Print International Standard Serial Number (p-ISSN) of the printed version of this document. 9876-5432 S
type_coar The type of the resource according to the Confederation of Open Access Repositories Resource Types classification. research article S