Introduction

Overview

Questions

• How do I package data in a FAIR way?
• How can I list the authors of individual files?
• Can I use multiple licenses in the same data package?
• How can I visualize JSON-LD metadata?

Objectives

• Construct an RO-Crate by hand using JSON
• Describe each part of the Research Object
• Learn basic JSON-LD to create FAIR metadata
• Connect different parts of the Research Object using identifiers

Introduction

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This tutorial assumes you have already completed An overview of the RO-Crate concept and its implementations:

Video: An overview of the RO-Crate concept and its implementations (see also slides and transcript)

Tutorial walk-through

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In this tutorial, meant to be read along with the RO-Crate specification, we’ll walk through the initial steps for creating a basic RO-Crate. You are invited to replicate the below steps on your local computer.

Abbreviations

• FAIR: Findable, Accessible, Interoperable, Reusable; a set of principles for publishing research data and metadata
• JSON: JavaScript Object Notation, a generic structured text-based data format
• JSON-LD: JSON Linked Data, a way to express Linked Data (RDF) using regular JSON
• RO-Crate: Research Object Crate; a way to package research data with structured FAIR metadata

Key Points

• RO-Crate provides a structure to make FAIR data packages
• schema.org in JSON-LD provides a controlled vocabulary for FAIR metadata
• Each entity of the crate is described separately
• Cross-references between entities create a graph
• The RO-Crate specification recommends which types and keys to use