Nicomacos Food Graph — An open vocabulary for restaurant, dish, ingredient, and food provenance data. Extends Schema.org for the food / hospitality domain.
https://nfg.ngraph.jp/schema/v0.2/
Use this URL inside the @context array of your JSON-LD payload alongside https://schema.org:
{
"@context": [
"https://schema.org",
"https://nfg.ngraph.jp/schema/v0.2/context.jsonld"
],
"@type": [ "Restaurant", "nfg:SeafoodRestaurant" ],
"name": "蟹と海鮮ぼんた",
"nfg:vadCertified": true,
"nfg:vadSource": "owner_verified",
"nfg:confidenceScore": 0.95
}
nfg:SeafoodRestaurantnfg:CocktailBarnfg:KappoRestaurantnfg:Dishnfg:Ingredientnfg:vadCertified (xsd:boolean) — Verified Authentic Data: owner-confirmednfg:vadSource (xsd:string) — Source of verification (e.g. owner_verified, brand_official)nfg:confidenceScore (xsd:decimal, 0.0–1.0) — Data confidencenfg:culturalContext (xsd:string) — Cultural / regional context for international audiencenfg:cookingMethods (set of strings)nfg:dishCategorynfg:mainIngredients (set of strings)nfg:provenance — Origin / sourcing infonfg:scientificName (e.g. Latin name for fish/crab)nfg:seasonStart (xsd:date)nfg:seasonEnd (xsd:date)NFG follows semantic versioning. Breaking changes increment minor (e.g. v0.2 → v0.3) during the 0.x phase. v1.0 will be released after community stabilization.
株式会社 NGraph (NGraph Inc.) — https://ngraph.jp/
NFG is the data standard powering OMISEAI and partner restaurants.