A rough JSON-LD serialisation of the HAL example at https://gist.github.com/572481

HAL to JSON-LD

{
    "@context": {
		"ex": "http://example.com",
        "ex:customer": {
            "@type": "@id"
        },
        "ex:quantity": {
            "@type": "xsd:integer"
        },
        "ex:price": {
            "@type": "xsd:float"
		},
		"ex:total": {
            "@type": "xsd:float"
		},
		"ex:placed": {
            "@type": "xsd:date"
		},
        "xsd": "http://www.w3.org/2001/XMLSchema#"
    },
	"@id": "/orders",
	"@type": "ex:Orders",
	"ex:order": {
		"@id":	"/orders/123"
		"@type": "ex:Order",
		"ex:customer": "/customer/bob",
		"ex:basket": {
			"@id": "/orderds/123/basket",
			"@type": "ex:Basket",
			"ex:item": {
				"@type": "ex:Item",
				"ex:sku": "ABC123",
				"ex:quantity": "2",
				"ex:price":	"9.50"
			},
			"ex:item": {
				"@type": "ex:Item",
				"ex:sku": "GFZT111",
				"ex:quantity": "1",
				"ex:price":	"11.00"
			},
		},
		"ex:total":	"30.00",
		"ex:currency": "USD",
		"ex:status": "shipped",
		"ex:placed": "2011-01-16"
	},
	"ex:order": {
		"@id":	"/orders/124"
		"@type": "ex:Order",
		"ex:customer": "/customer/jen",
		"ex:basket": {
			"@id": "/orderds/124/basket",
			"@type": "ex:Basket",
			"ex:item": {
				"@type": "ex:Item",
				"ex:sku": "KLM222",
				"ex:quantity": "1",
				"ex:price":	"9.00"
			},
			"ex:item": {
				"@type": "ex:Item",
				"ex:sku": "HHI50",
				"ex:quantity": "1",
				"ex:price":	"11.00"
			},
		},
		"ex:total":	"20.00",
		"ex:currency": "USD",
		"ex:status": "processing",
		"ex:placed": "2011-01-16"
	}
}