{
    "@context": {
        "@base": "https://secorolab.github.io/",
        "xsd": "http://www.w3.org/2001/XMLSchema#",
        "course": "https://secorolab.github.io/metamodels/website/course#",

        "Course":          { "@id": "course:Course" },
        "CourseMaterial":  { "@id": "course:CourseMaterial" },

        "name":           { "@id": "course:name",           "@type": "xsd:string" },
        "description":    { "@id": "course:description",    "@type": "xsd:string" },
        "semester":       { "@id": "course:semester",       "@type": "xsd:string" },
        "course-code":    { "@id": "course:course-code",    "@type": "xsd:string" },
        "format":         { "@id": "course:format",         "@type": "xsd:string" },
        "credits":        { "@id": "course:credits",        "@type": "xsd:string" },
        "language":       { "@id": "course:language",       "@type": "xsd:string" },
        "prerequisites":  { "@id": "course:prerequisites",  "@type": "xsd:string" },
        "teaching-assistants": {
            "@id": "course:teaching-assistants",
            "@container": "@set",
            "@context": {
                "name": {
                "@id": "course:ta-name"
                },
                "ref": {
                "@id": "course:ta-ref",
                "@type": "@id"
                }
            }
        },
        "learning-focus": {
            "@id":        "course:learning-focus",
            "@type":      "xsd:string",
            "@container": "@set"
        },
        "materials": {
            "@id": "course:materials",
            "@container": "@set",
            "@context": {
                "name": {
                "@id": "course:material-text"
                },
                "ref": {
                "@id": "course:material-url",
                "@type": "@id"
                }
            }
        },
        "url": { "@id": "course:url", "@type": "@id" }
    }
}