{ "dataset": { "name": "AI Knowledge Graph Entity Templates", "description": "Thirty node templates for building a connected schema.org knowledge graph. Each record defines a node id pattern, the properties that identify the entity, the edges it sends to other types with their expected targets and inverse properties, the edges it receives from the other templates, and an example node. All thirty example nodes connect in one linked example graph published alongside this file.", "url": "https://www.aitoaidatasets.com/directory/datasets/knowledge-graph/ai-knowledge-graph-entity-templates/", "version": "1.0.0", "date_created": "2026-09-22", "date_modified": "2026-09-22", "record_count": 30, "license": { "name": "CC BY 4.0", "url": "https://creativecommons.org/licenses/by/4.0/" }, "creator": { "name": "AI to AI Datasets", "url": "https://www.aitoaidatasets.com/" }, "source_vocabulary": { "name": "Schema.org vocabulary", "version": "30.1", "url": "https://schema.org/version/30.1/", "note": "Type names, parent types, property names, expected types and inverse properties are read from this schema.org release. Descriptions, guidance and templates are original to this dataset." }, "example_graph": "https://www.aitoaidatasets.com/data/datasets/ai-knowledge-graph-entity-templates/example-graph.jsonld", "notes": [ "Every name, address, number and URL in this example is fictional. example.com and .example are reserved for documentation (RFC 2606), and 555-01xx numbers are reserved for fiction.", "sameAs should point only at records that describe the same real entity, such as its own verified profiles or an authority record. Never guess an identifier." ], "fields": { "id": "Stable record id.", "schema_type": "The schema.org type name.", "parent_types": "Direct parent types in schema.org.", "ancestors": "Every ancestor type, nearest first.", "role": "What the node does in a graph.", "node_id_pattern": "A suggested @id pattern. Stable ids let every page reference the same node.", "identifier_properties": "Properties that identify the entity outside the graph.", "edges": "Outgoing relationships: property, target types, inverse property and a note.", "incoming_edges": "Edges from other templates in this dataset whose targets accept this type. Edges that accept any Thing, such as about, mainEntity and itemReviewed, are left out because they fit every type.", "attributes": "Literal properties with their expected types.", "example_node": "This type's node from example-graph.jsonld." } }, "records": [ { "id": "kg-001", "schema_type": "Organization", "schema_url": "https://schema.org/Organization", "parent_types": [ "Thing" ], "ancestors": [ "Thing" ], "role": "The hub of most site graphs. Other nodes point at it as publisher, provider, employer or parent.", "node_id_pattern": "{site_url}/#organization", "identifier_properties": [ "url", "sameAs", "legalName", "identifier" ], "edges": [ { "property": "founder", "target_types": [ "Organization", "Person" ], "note": "Who started it." }, { "property": "subOrganization", "target_types": [ "Organization" ], "inverse_property": "parentOrganization", "note": "Branches and locations it owns." }, { "property": "parentOrganization", "target_types": [ "Organization" ], "inverse_property": "subOrganization", "note": "The organization that owns it." }, { "property": "brand", "target_types": [ "Brand", "Organization" ], "note": "Brands it sells under." }, { "property": "contactPoint", "target_types": [ "ContactPoint" ], "note": "Ways to reach it." }, { "property": "logo", "target_types": [ "ImageObject" ], "note": "Its logo image." }, { "property": "address", "target_types": [ "PostalAddress" ], "note": "Its registered or main address." } ], "incoming_edges": [ { "from_type": "Organization", "property": "founder" }, { "from_type": "Organization", "property": "subOrganization" }, { "from_type": "Organization", "property": "parentOrganization" }, { "from_type": "Organization", "property": "brand" }, { "from_type": "LocalBusiness", "property": "parentOrganization" }, { "from_type": "Person", "property": "worksFor" }, { "from_type": "Person", "property": "alumniOf" }, { "from_type": "Person", "property": "affiliation" }, { "from_type": "WebSite", "property": "publisher" }, { "from_type": "Article", "property": "author" }, { "from_type": "Article", "property": "publisher" }, { "from_type": "Answer", "property": "author" }, { "from_type": "Product", "property": "brand" }, { "from_type": "Offer", "property": "seller" }, { "from_type": "Service", "property": "provider" }, { "from_type": "Review", "property": "author" }, { "from_type": "Event", "property": "organizer" }, { "from_type": "Event", "property": "performer" }, { "from_type": "ImageObject", "property": "creator" }, { "from_type": "VideoObject", "property": "creator" }, { "from_type": "VideoObject", "property": "publisher" }, { "from_type": "DefinedTermSet", "property": "publisher" }, { "from_type": "Dataset", "property": "creator" }, { "from_type": "JobPosting", "property": "hiringOrganization" }, { "from_type": "Course", "property": "provider" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "foundingDate", "expected_types": [ "Date" ] }, { "property": "description", "expected_types": [ "Text", "TextObject" ] } ], "example_node": { "@type": "Organization", "@id": "https://www.example.com/#organization", "name": "Harbor Street Foods", "legalName": "Harbor Street Foods LLC", "url": "https://www.example.com/", "logo": { "@id": "https://www.example.com/#logo" }, "foundingDate": "2014", "founder": { "@id": "https://www.example.com/about/morgan-example/#person" }, "brand": { "@id": "https://www.example.com/#brand" }, "subOrganization": { "@id": "https://www.example.com/locations/harbor-street/#bakery" }, "contactPoint": { "@id": "https://www.example.com/#contact" }, "sameAs": [ "https://social.example/harborstreetfoods" ] } }, { "id": "kg-002", "schema_type": "LocalBusiness", "schema_url": "https://schema.org/LocalBusiness", "parent_types": [ "Organization", "Place" ], "ancestors": [ "Organization", "Place", "Thing" ], "role": "A physical location customers visit. It is both an Organization and a Place, so it can sit inside other places and own offers.", "node_id_pattern": "{location_url}#localbusiness", "identifier_properties": [ "url", "sameAs", "telephone", "identifier" ], "edges": [ { "property": "parentOrganization", "target_types": [ "Organization" ], "inverse_property": "subOrganization", "note": "The company that runs the location." }, { "property": "address", "target_types": [ "PostalAddress" ], "note": "The street address." }, { "property": "geo", "target_types": [ "GeoCoordinates", "GeoShape" ], "note": "The coordinates." }, { "property": "openingHoursSpecification", "target_types": [ "OpeningHoursSpecification" ], "note": "Its hours." }, { "property": "containedInPlace", "target_types": [ "Place" ], "inverse_property": "containsPlace", "note": "A mall, market hall or building it sits inside." }, { "property": "aggregateRating", "target_types": [ "AggregateRating" ], "note": "Its overall rating." }, { "property": "image", "target_types": [ "ImageObject" ], "note": "A photo of the location." } ], "incoming_edges": [ { "from_type": "Organization", "property": "founder" }, { "from_type": "Organization", "property": "subOrganization" }, { "from_type": "Organization", "property": "parentOrganization" }, { "from_type": "Organization", "property": "brand" }, { "from_type": "LocalBusiness", "property": "parentOrganization" }, { "from_type": "LocalBusiness", "property": "containedInPlace" }, { "from_type": "Person", "property": "worksFor" }, { "from_type": "Person", "property": "alumniOf" }, { "from_type": "Person", "property": "affiliation" }, { "from_type": "WebSite", "property": "publisher" }, { "from_type": "Article", "property": "author" }, { "from_type": "Article", "property": "publisher" }, { "from_type": "Answer", "property": "author" }, { "from_type": "Product", "property": "brand" }, { "from_type": "Offer", "property": "seller" }, { "from_type": "Service", "property": "provider" }, { "from_type": "Review", "property": "author" }, { "from_type": "Place", "property": "containsPlace" }, { "from_type": "Place", "property": "containedInPlace" }, { "from_type": "Event", "property": "location" }, { "from_type": "Event", "property": "organizer" }, { "from_type": "Event", "property": "performer" }, { "from_type": "ImageObject", "property": "creator" }, { "from_type": "VideoObject", "property": "creator" }, { "from_type": "VideoObject", "property": "publisher" }, { "from_type": "DefinedTermSet", "property": "publisher" }, { "from_type": "Dataset", "property": "creator" }, { "from_type": "JobPosting", "property": "hiringOrganization" }, { "from_type": "JobPosting", "property": "jobLocation" }, { "from_type": "Course", "property": "provider" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "priceRange", "expected_types": [ "Text" ] }, { "property": "telephone", "expected_types": [ "Text" ] } ], "example_node": { "@type": "Bakery", "@id": "https://www.example.com/locations/harbor-street/#bakery", "name": "Harbor Street Bakery", "url": "https://www.example.com/locations/harbor-street/", "telephone": "+1-555-0100", "priceRange": "$", "servesCuisine": "Bakery", "hasMenu": "https://www.example.com/menu/", "image": { "@id": "https://www.example.com/#storefront" }, "address": { "@id": "https://www.example.com/#address" }, "geo": { "@id": "https://www.example.com/#geo" }, "openingHoursSpecification": [ { "@id": "https://www.example.com/#hours-weekdays" }, { "@id": "https://www.example.com/#hours-weekend" } ], "parentOrganization": { "@id": "https://www.example.com/#organization" }, "containedInPlace": { "@id": "https://www.example.com/#market-hall" }, "aggregateRating": { "@id": "https://www.example.com/locations/harbor-street/#rating" } } }, { "id": "kg-003", "schema_type": "Person", "schema_url": "https://schema.org/Person", "parent_types": [ "Thing" ], "ancestors": [ "Thing" ], "role": "A named human. People connect content to real expertise through author, founder and employee relationships.", "node_id_pattern": "{profile_url}#person", "identifier_properties": [ "url", "sameAs", "identifier" ], "edges": [ { "property": "worksFor", "target_types": [ "Organization" ], "note": "Current employer." }, { "property": "alumniOf", "target_types": [ "EducationalOrganization", "Organization" ], "inverse_property": "alumni", "note": "Schools attended." }, { "property": "affiliation", "target_types": [ "Organization" ], "note": "Organizations the person is connected to." }, { "property": "image", "target_types": [ "ImageObject" ], "note": "A photo of the person." } ], "incoming_edges": [ { "from_type": "Organization", "property": "founder" }, { "from_type": "WebSite", "property": "publisher" }, { "from_type": "Article", "property": "author" }, { "from_type": "Article", "property": "publisher" }, { "from_type": "Answer", "property": "author" }, { "from_type": "Offer", "property": "seller" }, { "from_type": "Service", "property": "provider" }, { "from_type": "Review", "property": "author" }, { "from_type": "Event", "property": "organizer" }, { "from_type": "Event", "property": "performer" }, { "from_type": "ImageObject", "property": "creator" }, { "from_type": "VideoObject", "property": "creator" }, { "from_type": "VideoObject", "property": "publisher" }, { "from_type": "DefinedTermSet", "property": "publisher" }, { "from_type": "Dataset", "property": "creator" }, { "from_type": "JobPosting", "property": "hiringOrganization" }, { "from_type": "Course", "property": "provider" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "jobTitle", "expected_types": [ "DefinedTerm", "Text" ] }, { "property": "knowsAbout", "expected_types": [ "Text", "Thing", "URL" ] } ], "example_node": { "@type": "Person", "@id": "https://www.example.com/about/morgan-example/#person", "name": "Morgan Example", "jobTitle": "Head Baker", "url": "https://www.example.com/about/morgan-example/", "worksFor": { "@id": "https://www.example.com/locations/harbor-street/#bakery" }, "knowsAbout": [ "Sourdough fermentation", "Laminated dough" ], "sameAs": [ "https://social.example/morganexample" ] } }, { "id": "kg-004", "schema_type": "WebSite", "schema_url": "https://schema.org/WebSite", "parent_types": [ "CreativeWork" ], "ancestors": [ "CreativeWork", "Thing" ], "role": "The site as a whole. Every page points to it with isPartOf.", "node_id_pattern": "{site_url}/#website", "identifier_properties": [ "url" ], "edges": [ { "property": "publisher", "target_types": [ "Organization", "Person" ], "note": "The organization that runs the site." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "inLanguage", "expected_types": [ "Language", "Text" ] } ], "example_node": { "@type": "WebSite", "@id": "https://www.example.com/#website", "name": "Harbor Street Bakery", "url": "https://www.example.com/", "inLanguage": "en-US", "publisher": { "@id": "https://www.example.com/#organization" } } }, { "id": "kg-005", "schema_type": "WebPage", "schema_url": "https://schema.org/WebPage", "parent_types": [ "CreativeWork" ], "ancestors": [ "CreativeWork", "Thing" ], "role": "One page. It ties the page URL to the thing the page is about.", "node_id_pattern": "{page_url}#webpage", "identifier_properties": [ "url" ], "edges": [ { "property": "isPartOf", "target_types": [ "CreativeWork" ], "inverse_property": "hasPart", "note": "The WebSite node." }, { "property": "mainEntity", "target_types": [ "Thing" ], "inverse_property": "mainEntityOfPage", "note": "The main thing on the page." }, { "property": "about", "target_types": [ "Thing" ], "inverse_property": "subjectOf", "note": "The subject of the page." }, { "property": "breadcrumb", "target_types": [ "BreadcrumbList" ], "note": "The breadcrumb trail." }, { "property": "primaryImageOfPage", "target_types": [ "ImageObject" ], "note": "The main image." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "datePublished", "expected_types": [ "Date", "DateTime" ] }, { "property": "dateModified", "expected_types": [ "Date", "DateTime" ] } ], "example_node": { "@type": "WebPage", "@id": "https://www.example.com/sourdough/#webpage", "name": "Country Sourdough Loaf", "url": "https://www.example.com/sourdough/", "isPartOf": { "@id": "https://www.example.com/#website" }, "about": { "@id": "https://www.example.com/sourdough/#product" }, "mainEntity": { "@id": "https://www.example.com/sourdough/#product" }, "breadcrumb": { "@id": "https://www.example.com/sourdough/#breadcrumb" }, "primaryImageOfPage": { "@id": "https://www.example.com/sourdough/#image" } } }, { "id": "kg-006", "schema_type": "Article", "schema_url": "https://schema.org/Article", "parent_types": [ "CreativeWork" ], "ancestors": [ "CreativeWork", "Thing" ], "role": "A written piece. Its author and publisher edges carry the credibility of the people and organization behind it.", "node_id_pattern": "{page_url}#article", "identifier_properties": [ "url", "mainEntityOfPage" ], "edges": [ { "property": "author", "target_types": [ "Organization", "Person" ], "note": "The Person who wrote it." }, { "property": "publisher", "target_types": [ "Organization", "Person" ], "note": "The Organization that published it." }, { "property": "about", "target_types": [ "Thing" ], "inverse_property": "subjectOf", "note": "The subject, ideally an entity with its own node." }, { "property": "isPartOf", "target_types": [ "CreativeWork" ], "inverse_property": "hasPart", "note": "The WebSite node." }, { "property": "video", "target_types": [ "Clip", "VideoObject" ], "note": "A video embedded in the article." }, { "property": "image", "target_types": [ "ImageObject" ], "note": "The lead image." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "headline", "expected_types": [ "Text" ] }, { "property": "datePublished", "expected_types": [ "Date", "DateTime" ] }, { "property": "dateModified", "expected_types": [ "Date", "DateTime" ] } ], "example_node": { "@type": "Article", "@id": "https://www.example.com/journal/feeding-our-starter/#article", "headline": "How We Feed Our Sourdough Starter", "datePublished": "2026-03-12", "author": { "@id": "https://www.example.com/about/morgan-example/#person" }, "publisher": { "@id": "https://www.example.com/#organization" }, "mainEntityOfPage": "https://www.example.com/journal/feeding-our-starter/", "isPartOf": { "@id": "https://www.example.com/#website" }, "about": { "@id": "https://www.example.com/glossary/levain/#term" }, "video": { "@id": "https://www.example.com/videos/shaping/#video" } } }, { "id": "kg-007", "schema_type": "FAQPage", "schema_url": "https://schema.org/FAQPage", "parent_types": [ "WebPage" ], "ancestors": [ "WebPage", "CreativeWork", "Thing" ], "role": "A page of questions with answers written by the site.", "node_id_pattern": "{page_url}#faqpage", "identifier_properties": [ "url" ], "edges": [ { "property": "mainEntity", "target_types": [ "Thing" ], "inverse_property": "mainEntityOfPage", "note": "The Question nodes." }, { "property": "isPartOf", "target_types": [ "CreativeWork" ], "inverse_property": "hasPart", "note": "The WebSite node." }, { "property": "about", "target_types": [ "Thing" ], "inverse_property": "subjectOf", "note": "The business or topic the questions are about." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] } ], "example_node": { "@type": "FAQPage", "@id": "https://www.example.com/faq/#faqpage", "name": "Harbor Street Bakery FAQ", "url": "https://www.example.com/faq/", "isPartOf": { "@id": "https://www.example.com/#website" }, "about": { "@id": "https://www.example.com/locations/harbor-street/#bakery" }, "mainEntity": [ { "@id": "https://www.example.com/faq/#q-gluten-free" } ] } }, { "id": "kg-008", "schema_type": "Question", "schema_url": "https://schema.org/Question", "parent_types": [ "Comment" ], "ancestors": [ "Comment", "CreativeWork", "Thing" ], "role": "One question. On an FAQ page each question has one accepted answer.", "node_id_pattern": "{page_url}#q-{question_slug}", "identifier_properties": [], "edges": [ { "property": "acceptedAnswer", "target_types": [ "Answer", "ItemList" ], "note": "The answer node." }, { "property": "suggestedAnswer", "target_types": [ "Answer", "ItemList" ], "note": "Other answers, on community Q&A pages." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "text", "expected_types": [ "Text" ] } ], "example_node": { "@type": "Question", "@id": "https://www.example.com/faq/#q-gluten-free", "name": "Do you bake gluten-free bread?", "acceptedAnswer": { "@id": "https://www.example.com/faq/#a-gluten-free" } } }, { "id": "kg-009", "schema_type": "Answer", "schema_url": "https://schema.org/Answer", "parent_types": [ "Comment" ], "ancestors": [ "Comment", "CreativeWork", "Thing" ], "role": "One answer to one question.", "node_id_pattern": "{page_url}#a-{question_slug}", "identifier_properties": [], "edges": [ { "property": "parentItem", "target_types": [ "Comment", "CreativeWork" ], "note": "The question it answers." }, { "property": "author", "target_types": [ "Organization", "Person" ], "note": "Who wrote the answer." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Question", "property": "acceptedAnswer" }, { "from_type": "Question", "property": "suggestedAnswer" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "text", "expected_types": [ "Text" ] } ], "example_node": { "@type": "Answer", "@id": "https://www.example.com/faq/#a-gluten-free", "text": "We bake one gluten-free loaf on Saturdays. Our kitchen uses wheat flour every day, so it is not made in a gluten-free environment.", "parentItem": { "@id": "https://www.example.com/faq/#q-gluten-free" }, "author": { "@id": "https://www.example.com/#organization" } } }, { "id": "kg-010", "schema_type": "BreadcrumbList", "schema_url": "https://schema.org/BreadcrumbList", "parent_types": [ "ItemList" ], "ancestors": [ "ItemList", "Intangible", "Thing" ], "role": "The chain of parent pages above a page.", "node_id_pattern": "{page_url}#breadcrumb", "identifier_properties": [], "edges": [ { "property": "itemListElement", "target_types": [ "ListItem", "Thing" ], "note": "One ListItem per level, each pointing at a page." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "breadcrumb" }, { "from_type": "Question", "property": "acceptedAnswer" }, { "from_type": "Question", "property": "suggestedAnswer" } ], "attributes": [ { "property": "numberOfItems", "expected_types": [ "Integer" ] } ], "example_node": { "@type": "BreadcrumbList", "@id": "https://www.example.com/sourdough/#breadcrumb", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": { "@type": "WebPage", "@id": "https://www.example.com/" } }, { "@type": "ListItem", "position": 2, "name": "Bread", "item": { "@type": "WebPage", "@id": "https://www.example.com/bread/" } }, { "@type": "ListItem", "position": 3, "name": "Country Sourdough Loaf", "item": { "@type": "WebPage", "@id": "https://www.example.com/sourdough/" } } ] } }, { "id": "kg-011", "schema_type": "Product", "schema_url": "https://schema.org/Product", "parent_types": [ "Thing" ], "ancestors": [ "Thing" ], "role": "Something for sale. Offers, ratings and reviews all attach to the product node.", "node_id_pattern": "{page_url}#product", "identifier_properties": [ "sku", "gtin13", "mpn", "url" ], "edges": [ { "property": "brand", "target_types": [ "Brand", "Organization" ], "note": "The brand it is sold under." }, { "property": "offers", "target_types": [ "Demand", "Offer" ], "inverse_property": "itemOffered", "note": "Price and availability." }, { "property": "aggregateRating", "target_types": [ "AggregateRating" ], "note": "The overall rating." }, { "property": "review", "target_types": [ "Review" ], "note": "Individual reviews." }, { "property": "image", "target_types": [ "ImageObject" ], "note": "Product photos." }, { "property": "isVariantOf", "target_types": [ "ProductGroup", "ProductModel" ], "inverse_property": "hasVariant", "note": "The ProductGroup when this is one variant." } ], "incoming_edges": [ { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "category", "expected_types": [ "CategoryCode", "PhysicalActivityCategory", "Text", "Thing", "URL" ] }, { "property": "description", "expected_types": [ "Text", "TextObject" ] } ], "example_node": { "@type": "Product", "@id": "https://www.example.com/sourdough/#product", "name": "Country Sourdough Loaf", "sku": "HSB-SD-001", "category": "Bread", "image": { "@id": "https://www.example.com/sourdough/#image" }, "brand": { "@id": "https://www.example.com/#brand" }, "offers": { "@id": "https://www.example.com/sourdough/#offer" }, "aggregateRating": { "@id": "https://www.example.com/sourdough/#rating" }, "review": { "@id": "https://www.example.com/sourdough/#review-1" } } }, { "id": "kg-012", "schema_type": "Offer", "schema_url": "https://schema.org/Offer", "parent_types": [ "Intangible" ], "ancestors": [ "Intangible", "Thing" ], "role": "The terms something is sold on. It links the item to the seller.", "node_id_pattern": "{page_url}#offer", "identifier_properties": [ "url" ], "edges": [ { "property": "itemOffered", "target_types": [ "AggregateOffer", "CreativeWork", "Event", "MenuItem", "Product", "Service", "Trip" ], "inverse_property": "offers", "note": "The product or service being sold." }, { "property": "seller", "target_types": [ "Organization", "Person" ], "note": "Who sells it." } ], "incoming_edges": [ { "from_type": "Product", "property": "offers" }, { "from_type": "Service", "property": "offers" }, { "from_type": "Event", "property": "offers" } ], "attributes": [ { "property": "price", "expected_types": [ "Number", "Text" ] }, { "property": "priceCurrency", "expected_types": [ "Text" ] }, { "property": "availability", "expected_types": [ "ItemAvailability" ] }, { "property": "priceValidUntil", "expected_types": [ "Date" ] } ], "example_node": { "@type": "Offer", "@id": "https://www.example.com/sourdough/#offer", "price": "9.00", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "url": "https://www.example.com/sourdough/", "itemOffered": { "@id": "https://www.example.com/sourdough/#product" }, "seller": { "@id": "https://www.example.com/locations/harbor-street/#bakery" } } }, { "id": "kg-013", "schema_type": "Brand", "schema_url": "https://schema.org/Brand", "parent_types": [ "Intangible" ], "ancestors": [ "Intangible", "Thing" ], "role": "A name products are sold under, separate from the company that owns it.", "node_id_pattern": "{site_url}/#brand", "identifier_properties": [ "url", "sameAs" ], "edges": [ { "property": "logo", "target_types": [ "ImageObject" ], "note": "The brand mark." } ], "incoming_edges": [ { "from_type": "Organization", "property": "brand" }, { "from_type": "Product", "property": "brand" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "slogan", "expected_types": [ "Text" ] } ], "example_node": { "@type": "Brand", "@id": "https://www.example.com/#brand", "name": "Harbor Street", "logo": { "@id": "https://www.example.com/#logo" }, "slogan": "Bread worth the wait" } }, { "id": "kg-014", "schema_type": "Service", "schema_url": "https://schema.org/Service", "parent_types": [ "Intangible" ], "ancestors": [ "Intangible", "Thing" ], "role": "Work a business does for customers.", "node_id_pattern": "{page_url}#service", "identifier_properties": [ "url" ], "edges": [ { "property": "provider", "target_types": [ "Organization", "Person" ], "note": "The business that provides it." }, { "property": "offers", "target_types": [ "Demand", "Offer" ], "inverse_property": "itemOffered", "note": "Its price terms." }, { "property": "audience", "target_types": [ "Audience" ], "note": "Who it is for." } ], "incoming_edges": [ { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "serviceType", "expected_types": [ "GovernmentBenefitsType", "Text" ] }, { "property": "areaServed", "expected_types": [ "AdministrativeArea", "GeoShape", "Place", "Text" ] } ], "example_node": { "@type": "Service", "@id": "https://www.example.com/custom-cakes/#service", "name": "Custom Cake Orders", "serviceType": "Custom cakes", "provider": { "@id": "https://www.example.com/locations/harbor-street/#bakery" }, "areaServed": "Anytown", "url": "https://www.example.com/custom-cakes/" } }, { "id": "kg-015", "schema_type": "Review", "schema_url": "https://schema.org/Review", "parent_types": [ "CreativeWork" ], "ancestors": [ "CreativeWork", "Thing" ], "role": "One person's review of one thing.", "node_id_pattern": "{page_url}#review-{n}", "identifier_properties": [], "edges": [ { "property": "itemReviewed", "target_types": [ "Thing" ], "note": "The thing reviewed." }, { "property": "author", "target_types": [ "Organization", "Person" ], "note": "Who wrote it." }, { "property": "reviewRating", "target_types": [ "Rating" ], "note": "The rating given." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Product", "property": "review" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "reviewBody", "expected_types": [ "Text" ] }, { "property": "datePublished", "expected_types": [ "Date", "DateTime" ] } ], "example_node": { "@type": "Review", "@id": "https://www.example.com/sourdough/#review-1", "itemReviewed": { "@id": "https://www.example.com/sourdough/#product" }, "author": { "@type": "Person", "name": "Jamie Example" }, "reviewRating": { "@type": "Rating", "ratingValue": "5", "bestRating": "5" }, "reviewBody": "Crackly crust, open crumb, and it still tasted fresh on day three.", "datePublished": "2026-08-14" } }, { "id": "kg-016", "schema_type": "AggregateRating", "schema_url": "https://schema.org/AggregateRating", "parent_types": [ "Rating" ], "ancestors": [ "Rating", "Intangible", "Thing" ], "role": "The average of many ratings for one thing.", "node_id_pattern": "{item_url}#rating", "identifier_properties": [], "edges": [ { "property": "itemReviewed", "target_types": [ "Thing" ], "note": "The thing rated." } ], "incoming_edges": [ { "from_type": "LocalBusiness", "property": "aggregateRating" }, { "from_type": "Product", "property": "aggregateRating" }, { "from_type": "Review", "property": "reviewRating" } ], "attributes": [ { "property": "ratingValue", "expected_types": [ "Number", "Text" ] }, { "property": "reviewCount", "expected_types": [ "Integer" ] }, { "property": "ratingCount", "expected_types": [ "Integer" ] }, { "property": "bestRating", "expected_types": [ "Number", "Text" ] } ], "example_node": { "@type": "AggregateRating", "@id": "https://www.example.com/sourdough/#rating", "itemReviewed": { "@id": "https://www.example.com/sourdough/#product" }, "ratingValue": "4.8", "reviewCount": "126", "bestRating": "5" } }, { "id": "kg-017", "schema_type": "Place", "schema_url": "https://schema.org/Place", "parent_types": [ "Thing" ], "ancestors": [ "Thing" ], "role": "A physical place that is not a business: a venue, building or public space.", "node_id_pattern": "{place_url}#place", "identifier_properties": [ "url", "sameAs" ], "edges": [ { "property": "address", "target_types": [ "PostalAddress" ], "note": "Its address." }, { "property": "geo", "target_types": [ "GeoCoordinates", "GeoShape" ], "note": "Its coordinates." }, { "property": "containsPlace", "target_types": [ "Place" ], "inverse_property": "containedInPlace", "note": "Places inside it." }, { "property": "containedInPlace", "target_types": [ "Place" ], "inverse_property": "containsPlace", "note": "A larger place around it." } ], "incoming_edges": [ { "from_type": "LocalBusiness", "property": "containedInPlace" }, { "from_type": "Place", "property": "containsPlace" }, { "from_type": "Place", "property": "containedInPlace" }, { "from_type": "Event", "property": "location" }, { "from_type": "JobPosting", "property": "jobLocation" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "telephone", "expected_types": [ "Text" ] } ], "example_node": { "@type": "Place", "@id": "https://www.example.com/#market-hall", "name": "Harbor Street Market Hall", "address": { "@id": "https://www.example.com/#address" }, "geo": { "@id": "https://www.example.com/#geo" }, "containsPlace": { "@id": "https://www.example.com/locations/harbor-street/#bakery" } } }, { "id": "kg-018", "schema_type": "PostalAddress", "schema_url": "https://schema.org/PostalAddress", "parent_types": [ "ContactPoint" ], "ancestors": [ "ContactPoint", "StructuredValue", "Intangible", "Thing" ], "role": "A street or mailing address. Shared addresses can be one node referenced by several places.", "node_id_pattern": "{site_url}/#address", "identifier_properties": [], "edges": [], "incoming_edges": [ { "from_type": "Organization", "property": "contactPoint" }, { "from_type": "Organization", "property": "address" }, { "from_type": "LocalBusiness", "property": "address" }, { "from_type": "Place", "property": "address" }, { "from_type": "Event", "property": "location" } ], "attributes": [ { "property": "streetAddress", "expected_types": [ "Text" ] }, { "property": "addressLocality", "expected_types": [ "Text" ] }, { "property": "addressRegion", "expected_types": [ "AdministrativeArea", "Text" ] }, { "property": "postalCode", "expected_types": [ "Text" ] }, { "property": "addressCountry", "expected_types": [ "Country", "Text" ] } ], "example_node": { "@type": "PostalAddress", "@id": "https://www.example.com/#address", "streetAddress": "100 Harbor Street", "addressLocality": "Anytown", "addressRegion": "ST", "postalCode": "00000", "addressCountry": "US" } }, { "id": "kg-019", "schema_type": "GeoCoordinates", "schema_url": "https://schema.org/GeoCoordinates", "parent_types": [ "StructuredValue" ], "ancestors": [ "StructuredValue", "Intangible", "Thing" ], "role": "A latitude and longitude.", "node_id_pattern": "{location_url}#geo", "identifier_properties": [], "edges": [], "incoming_edges": [ { "from_type": "LocalBusiness", "property": "geo" }, { "from_type": "Place", "property": "geo" } ], "attributes": [ { "property": "latitude", "expected_types": [ "Number", "Text" ] }, { "property": "longitude", "expected_types": [ "Number", "Text" ] } ], "example_node": { "@type": "GeoCoordinates", "@id": "https://www.example.com/#geo", "latitude": 0, "longitude": 0, "description": "Placeholder coordinates for a fictional location." } }, { "id": "kg-020", "schema_type": "OpeningHoursSpecification", "schema_url": "https://schema.org/OpeningHoursSpecification", "parent_types": [ "StructuredValue" ], "ancestors": [ "StructuredValue", "Intangible", "Thing" ], "role": "The hours for one group of days.", "node_id_pattern": "{location_url}#hours-{days}", "identifier_properties": [], "edges": [], "incoming_edges": [ { "from_type": "LocalBusiness", "property": "openingHoursSpecification" }, { "from_type": "ContactPoint", "property": "hoursAvailable" } ], "attributes": [ { "property": "dayOfWeek", "expected_types": [ "DayOfWeek" ] }, { "property": "opens", "expected_types": [ "Time" ] }, { "property": "closes", "expected_types": [ "Time" ] }, { "property": "validFrom", "expected_types": [ "Date", "DateTime" ] }, { "property": "validThrough", "expected_types": [ "Date", "DateTime" ] } ], "example_node": { "@type": "OpeningHoursSpecification", "@id": "https://www.example.com/#hours-weekdays", "dayOfWeek": [ "https://schema.org/Monday", "https://schema.org/Tuesday", "https://schema.org/Wednesday", "https://schema.org/Thursday", "https://schema.org/Friday" ], "opens": "07:00", "closes": "15:00" } }, { "id": "kg-021", "schema_type": "ContactPoint", "schema_url": "https://schema.org/ContactPoint", "parent_types": [ "StructuredValue" ], "ancestors": [ "StructuredValue", "Intangible", "Thing" ], "role": "One way to reach one team.", "node_id_pattern": "{site_url}/#contact-{team}", "identifier_properties": [], "edges": [ { "property": "hoursAvailable", "target_types": [ "OpeningHoursSpecification" ], "note": "When the line is staffed." } ], "incoming_edges": [ { "from_type": "Organization", "property": "contactPoint" } ], "attributes": [ { "property": "contactType", "expected_types": [ "Text" ] }, { "property": "telephone", "expected_types": [ "Text" ] }, { "property": "availableLanguage", "expected_types": [ "Language", "Text" ] }, { "property": "areaServed", "expected_types": [ "AdministrativeArea", "GeoShape", "Place", "Text" ] } ], "example_node": { "@type": "ContactPoint", "@id": "https://www.example.com/#contact", "contactType": "customer service", "telephone": "+1-555-0100", "availableLanguage": [ "English", "Spanish" ], "hoursAvailable": { "@id": "https://www.example.com/#hours-weekdays" } } }, { "id": "kg-022", "schema_type": "Event", "schema_url": "https://schema.org/Event", "parent_types": [ "Thing" ], "ancestors": [ "Thing" ], "role": "Something that happens at a time and place.", "node_id_pattern": "{page_url}#event", "identifier_properties": [ "url" ], "edges": [ { "property": "location", "target_types": [ "Place", "PostalAddress", "VirtualLocation" ], "note": "Where it happens." }, { "property": "organizer", "target_types": [ "Organization", "Person" ], "note": "Who runs it." }, { "property": "performer", "target_types": [ "Organization", "Person" ], "note": "Who presents or performs." }, { "property": "offers", "target_types": [ "Demand", "Offer" ], "inverse_property": "itemOffered", "note": "Ticket terms." } ], "incoming_edges": [ { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "startDate", "expected_types": [ "Date", "DateTime" ] }, { "property": "endDate", "expected_types": [ "Date", "DateTime" ] }, { "property": "eventStatus", "expected_types": [ "EventStatusType" ] }, { "property": "eventAttendanceMode", "expected_types": [ "EventAttendanceModeEnumeration" ] } ], "example_node": { "@type": "Event", "@id": "https://www.example.com/events/sourdough-basics/#event", "name": "Sourdough Basics Workshop", "startDate": "2026-10-17T09:00:00-04:00", "endDate": "2026-10-17T12:00:00-04:00", "eventStatus": "https://schema.org/EventScheduled", "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode", "location": { "@id": "https://www.example.com/#market-hall" }, "organizer": { "@id": "https://www.example.com/locations/harbor-street/#bakery" }, "performer": { "@id": "https://www.example.com/about/morgan-example/#person" }, "offers": { "@type": "Offer", "price": "45.00", "priceCurrency": "USD", "availability": "https://schema.org/InStock", "url": "https://www.example.com/events/sourdough-basics/" } } }, { "id": "kg-023", "schema_type": "ImageObject", "schema_url": "https://schema.org/ImageObject", "parent_types": [ "MediaObject" ], "ancestors": [ "MediaObject", "CreativeWork", "Thing" ], "role": "An image file with its rights details.", "node_id_pattern": "{image_url}#image", "identifier_properties": [ "contentUrl", "url" ], "edges": [ { "property": "creator", "target_types": [ "Organization", "Person" ], "note": "Who made it." } ], "incoming_edges": [ { "from_type": "Organization", "property": "logo" }, { "from_type": "LocalBusiness", "property": "image" }, { "from_type": "Person", "property": "image" }, { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "WebPage", "property": "primaryImageOfPage" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "Article", "property": "image" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Product", "property": "image" }, { "from_type": "Offer", "property": "itemOffered" }, { "from_type": "Brand", "property": "logo" } ], "attributes": [ { "property": "caption", "expected_types": [ "MediaObject", "Text" ] }, { "property": "creditText", "expected_types": [ "Text" ] }, { "property": "license", "expected_types": [ "CreativeWork", "URL" ] }, { "property": "copyrightNotice", "expected_types": [ "Text" ] } ], "example_node": { "@type": "ImageObject", "@id": "https://www.example.com/sourdough/#image", "contentUrl": "https://www.example.com/images/country-sourdough.jpg", "caption": "A country sourdough loaf", "creator": { "@id": "https://www.example.com/about/morgan-example/#person" }, "license": "https://creativecommons.org/licenses/by/4.0/", "creditText": "Harbor Street Bakery" } }, { "id": "kg-024", "schema_type": "VideoObject", "schema_url": "https://schema.org/VideoObject", "parent_types": [ "MediaObject" ], "ancestors": [ "MediaObject", "CreativeWork", "Thing" ], "role": "A video file or embed.", "node_id_pattern": "{page_url}#video", "identifier_properties": [ "contentUrl", "embedUrl", "url" ], "edges": [ { "property": "creator", "target_types": [ "Organization", "Person" ], "note": "Who made it." }, { "property": "publisher", "target_types": [ "Organization", "Person" ], "note": "Who published it." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "Article", "property": "video" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "description", "expected_types": [ "Text", "TextObject" ] }, { "property": "thumbnailUrl", "expected_types": [ "URL" ] }, { "property": "uploadDate", "expected_types": [ "Date", "DateTime" ] }, { "property": "duration", "expected_types": [ "Duration", "QuantitativeValue" ] } ], "example_node": { "@type": "VideoObject", "@id": "https://www.example.com/videos/shaping/#video", "name": "Shaping a Country Loaf", "description": "Pre-shaping and final shaping for a country sourdough loaf.", "thumbnailUrl": "https://www.example.com/images/shaping-thumb.jpg", "uploadDate": "2026-02-01", "duration": "PT3M40S", "contentUrl": "https://www.example.com/videos/shaping.mp4", "creator": { "@id": "https://www.example.com/about/morgan-example/#person" }, "publisher": { "@id": "https://www.example.com/#organization" } } }, { "id": "kg-025", "schema_type": "DefinedTermSet", "schema_url": "https://schema.org/DefinedTermSet", "parent_types": [ "CreativeWork" ], "ancestors": [ "CreativeWork", "Thing" ], "role": "A glossary. It groups terms so each one has a home.", "node_id_pattern": "{glossary_url}#termset", "identifier_properties": [ "url" ], "edges": [ { "property": "hasDefinedTerm", "target_types": [ "DefinedTerm" ], "note": "The terms it contains." }, { "property": "publisher", "target_types": [ "Organization", "Person" ], "note": "Who maintains it." } ], "incoming_edges": [ { "from_type": "WebPage", "property": "isPartOf" }, { "from_type": "Article", "property": "isPartOf" }, { "from_type": "FAQPage", "property": "isPartOf" }, { "from_type": "Answer", "property": "parentItem" }, { "from_type": "Offer", "property": "itemOffered" }, { "from_type": "DefinedTerm", "property": "inDefinedTermSet" } ], "attributes": [ { "property": "name", "expected_types": [ "Text" ] }, { "property": "description", "expected_types": [ "Text", "TextObject" ] } ], "example_node": { "@type": "DefinedTermSet", "@id": "https://www.example.com/glossary/#termset", "name": "Harbor Street Bread Glossary", "url": "https://www.example.com/glossary/", "publisher": { "@id": "https://www.example.com/#organization" }, "hasDefinedTerm": [ { "@id": "https://www.example.com/glossary/levain/#term" } ] } }, { "id": "kg-026", "schema_type": "DefinedTerm", "schema_url": "https://schema.org/DefinedTerm", "parent_types": [ "Intangible" ], "ancestors": [ "Intangible", "Thing" ], "role": "One defined term. 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