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ro-crate-java v2.1.0-rc4

Tzochev, Nikola; Pfeil, Andreas ORCID iD icon 1; Chelbi, Sabrine ORCID iD icon 1
1 Scientific Computing Center (SCC), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

Research-Object-Crate is a flexible research data package format. It allows you to package or link to data and describe it in a machine-readable and human-readable way. It uses Linked Data (JSON-LD) to describe its content. The combination of a file-based package and a possibility to link to data on the Web makes the format useful for a number of use-cases.

Software libraries enable developers and users to create and modify such crates. They have the potential to enable valid crates without knowing the specification perfectly, and can be used to build this functionality into other applications.

Ro-crate-java is such a software library, written in the Java programming language. It has similar functionality as the existing implementations (ro-crate-py, ro-crate-ruby), which are implemented by the RO-Crate project. In contrast to those implementations, ro-crate-java has a strong focus on the correctness of the crates according to the specification, as well as performance. This means that ro-crate-java is especially well suited to create large crates, or large amounts of them. It can therefore, for example, be used to create crates for data in large repositories which are not packaged yet.


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Originalveröffentlichung
DOI: 10.5281/zenodo.17571028
BibTeX (UTF-8) BibTeX (ASCII) EndNote/Refer (.enw) RIS CSL-JSON ISI
Zugehörige Institution(en) am KIT Scientific Computing Center (SCC)
Publikationstyp Forschungsdaten
Publikationsdatum 10.11.2025
Erstellungsdatum 06.06.2025 - 10.11.2025
Identifikator KITopen-ID: 1000188206
HGF-Programm 46.21.05 (POF IV, LK 01) HMC
Lizenz Apache License 2.0
Externe Relationen Supplement
Forschungsdaten/Software
Schlagwörter Research Object Crate, data packaging, metadata, research data, software library, java, Helmholtz Metadata Collaboration Platform (HMC)
Liesmich

Please also read the README.md file in the source code.

🚀 Highlights

  • You can now add a DataEntity without adding it to the roots "hasPart", by providing the ID of another entity (addDataEntity(entity, parentId)). This other entity needs to be in the crate already in order to validate this action. You may use this to build your hierarchies as you need.
  • The hierarchy of files and directories is (for local files) already encoded in the file paths. You can now map this automatically to hasPart/isPartOf connections using Crate::createDataEntityFileStructure.

What's Changed

Full Changelog: https://github.com/kit-data-manager/ro-crate-java/compare/v2.1.0-rc3...v2.1.0-rc4
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