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AggregateRating

A Schema.org Type
The average rating based on multiple ratings or reviews.
PropertyExpected TypeDescription
Properties from AggregateRating
itemReviewed Thing The item that is being reviewed/rated.
ratingCount Integer The count of total number of ratings.
reviewCount Integer The count of total number of reviews.
Properties from Rating
author Organization  or
Person
The author of this content or rating. Please note that author is special in that HTML 5 provides a special mechanism for indicating authorship via the rel tag. That is equivalent to this and may be used interchangeably.
bestRating Number  or
Text
The highest value allowed in this rating system. If bestRating is omitted, 5 is assumed.
ratingExplanation Text A short explanation (e.g. one to two sentences) providing background context and other information that led to the conclusion expressed in the rating. This is particularly applicable to ratings associated with "fact check" markup using ClaimReview.
ratingValue Number  or
Text
The rating for the content.

Usage guidelines:

  • Use values from 0123456789 (Unicode 'DIGIT ZERO' (U+0030) to 'DIGIT NINE' (U+0039)) rather than superficially similiar Unicode symbols.
  • Use '.' (Unicode 'FULL STOP' (U+002E)) rather than ',' to indicate a decimal point. Avoid using these symbols as a readability separator.
reviewAspect Text This Review or Rating is relevant to this part or facet of the itemReviewed.
worstRating Number  or
Text
The lowest value allowed in this rating system. If worstRating is omitted, 1 is assumed.
Properties from Thing
additionalType URL An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.
alternateName Text An alias for the item.
description Text A description of the item.
disambiguatingDescription Text A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
identifier PropertyValue  or
Text  or
URL
The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details.
image ImageObject  or
URL
An image of the item. This can be a URL or a fully described ImageObject.
mainEntityOfPage CreativeWork  or
URL
Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See background notes for details.
Inverse property: mainEntity
name Text The name of the item.
potentialAction Action Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
sameAs URL URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
subjectOf CreativeWork  or
Event
A CreativeWork or Event about this Thing.
Inverse property: about
url URL URL of the item.

Instances of AggregateRating may appear as a value for the following properties
PropertyOn TypesDescription
aggregateRating Brand  or
CreativeWork  or
Event  or
Offer  or
Organization  or
Place  or
Product  or
Service
The overall rating, based on a collection of reviews or ratings, of the item.

More specific Types
Examples

Example 1
Copied
Example notes or example HTML without markup.
GreatFood
4 stars - based on 250 reviews
1901 Lemur Ave
Sunnyvale, CA 94086
(408) 714-1489
<a href="http://www.greatfood.com">www.greatfood.com</a>

Hours:
Mon-Sat 11am - 2:30pm
Mon-Thur 5pm - 9:30pm
Fri-Sat 5pm - 10pm

Categories: Middle Eastern, Mediterranean
Price Range: $$
Takes Reservations: Yes
Example encoded as Microdata embedded in HTML.
<div itemscope itemtype="https://schema.org/Restaurant">
  <span itemprop="name">GreatFood</span>

  <div itemprop="aggregateRating" itemscope itemtype="https://schema.org/AggregateRating">
    <span itemprop="ratingValue">4</span> stars -
    based on <span itemprop="reviewCount">250</span> reviews
  </div>

  <div itemprop="address" itemscope itemtype="https://schema.org/PostalAddress">
    <span itemprop="streetAddress">1901 Lemur Ave</span>
    <span itemprop="addressLocality">Sunnyvale</span>,
    <span itemprop="addressRegion">CA</span> <span itemprop="postalCode">94086</span>
  </div>
  <span itemprop="telephone">(408) 714-1489</span>
  <a itemprop="url" href="http://www.greatfood.com">www.greatfood.com</a>

  Hours:
  <meta itemprop="openingHours" content="Mo-Sa 11:00-14:30">Mon-Sat 11am - 2:30pm
  <meta itemprop="openingHours" content="Mo-Th 17:00-21:30">Mon-Thu 5pm - 9:30pm
  <meta itemprop="openingHours" content="Fr-Sa 17:00-22:00">Fri-Sat 5pm - 10:00pm

  Categories:
  <span itemprop="servesCuisine">
    Middle Eastern
  </span>,
  <span itemprop="servesCuisine">
    Mediterranean
  </span>

  Price Range: <span itemprop="priceRange">$$</span>
  Takes Reservations: Yes
</div>
Example encoded as RDFa embedded in HTML.
<div vocab="https://schema.org/" typeof="Restaurant">
  <span property="name">GreatFood</span>

  <div property="aggregateRating" typeof="AggregateRating">
    <span property="ratingValue">4</span> stars -
    based on <span property="reviewCount">250</span> reviews
  </div>

  <div property="address" typeof="PostalAddress">
    <span property="streetAddress">1901 Lemur Ave</span>
    <span property="addressLocality">Sunnyvale</span>,
    <span property="addressRegion">CA</span> <span property="postalCode">94086</span>
  </div>
  <span property="telephone">(408) 714-1489</span>
  <a property="url" href="http://www.greatfood.com">www.greatfood.com</a>

  Hours:
  <meta property="openingHours" content="Mo-Sa 11:00-14:30">Mon-Sat 11am - 2:30pm
  <meta property="openingHours" content="Mo-Th 17:00-21:30">Mon-Thu 5pm - 9:30pm
  <meta property="openingHours" content="Fr-Sa 17:00-22:00">Fri-Sat 5pm - 10:00pm

  Categories:
  <span property="servesCuisine">
    Middle Eastern
  </span>,
  <span property="servesCuisine">
    Mediterranean
  </span>

  Price Range: <span property="priceRange">$$</span>
  Takes Reservations: Yes
</div>
Example encoded as JSON-LD in a HTML script tag.
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Restaurant",
  "address": {
    "@type": "PostalAddress",
    "addressLocality": "Sunnyvale",
    "addressRegion": "CA",
    "postalCode": "94086",
    "streetAddress": "1901 Lemur Ave"
  },
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "4",
    "reviewCount": "250"
  },
  "name": "GreatFood",
  "openingHours": [
    "Mo-Sa 11:00-14:30",
    "Mo-Th 17:00-21:30",
    "Fr-Sa 17:00-22:00"
  ],
  "priceRange": "$$",
  "servesCuisine": [
    "Middle Eastern",
    "Mediterranean"
  ],
  "telephone": "(408) 714-1489",
  "url": "http://www.greatfood.com"
}
</script>
Structured representation of the JSON-LD example.
Example 2
Copied
Example notes or example HTML without markup.
Kenmore White 17" Microwave
<img src="kenmore-microwave-17in.jpg" alt='Kenmore 17" Microwave' />
Rated 3.5/5 based on 11 customer reviews

$55.00
In stock

Product description:
0.7 cubic feet countertop microwave. Has six preset cooking categories and
 convenience features like Add-A-Minute and Child Lock.

Customer reviews:

Not a happy camper - by Ellie, April 1, 2011
1/5 stars
The lamp burned out and now I have to replace it.

 Value purchase - by Lucas, March 25, 2011
4/5 stars
Great microwave for the price. It is small and fits in my apartment.
...
Example encoded as Microdata embedded in HTML.
<div itemscope itemtype="https://schema.org/Product">
  <span itemprop="name">Kenmore White 17" Microwave</span>
  <img itemprop="image" src="kenmore-microwave-17in.jpg" alt='Kenmore 17" Microwave' />
  <div itemprop="aggregateRating"
    itemscope itemtype="https://schema.org/AggregateRating">
   Rated <span itemprop="ratingValue">3.5</span>/5
   based on <span itemprop="reviewCount">11</span> customer reviews
  </div>

  <div itemprop="offers" itemscope itemtype="https://schema.org/Offer">

    <!--price is 1000, a number, with locale-specific thousands separator
    and decimal mark, and the $ character is marked up with the
    machine-readable code "USD" -->
    <span itemprop="priceCurrency" content="USD">$</span><span
          itemprop="price" content="1000.00">1,000.00</span>

    <link itemprop="availability" href="https://schema.org/InStock" />In stock
  </div>

  Product description:
  <span itemprop="description">0.7 cubic feet countertop microwave.
  Has six preset cooking categories and convenience features like
  Add-A-Minute and Child Lock.</span>

  Customer reviews:

  <div itemprop="review" itemscope itemtype="https://schema.org/Review">
    <span itemprop="name">Not a happy camper</span> -
    by <span itemprop="author">Ellie</span>,
    <meta itemprop="datePublished" content="2011-04-01">April 1, 2011
    <div itemprop="reviewRating" itemscope itemtype="https://schema.org/Rating">
      <meta itemprop="worstRating" content = "1">
      <span itemprop="ratingValue">1</span>/
      <span itemprop="bestRating">5</span>stars
    </div>
    <span itemprop="reviewBody">The lamp burned out and now I have to replace
    it. </span>
  </div>

  <div itemprop="review" itemscope itemtype="https://schema.org/Review">
    <span itemprop="name">Value purchase</span> -
    by <span itemprop="author">Lucas</span>,
    <meta itemprop="datePublished" content="2011-03-25">March 25, 2011
    <div itemprop="reviewRating" itemscope itemtype="https://schema.org/Rating">
      <meta itemprop="worstRating" content = "1"/>
      <span itemprop="ratingValue">4</span>/
      <span itemprop="bestRating">5</span>stars
    </div>
    <span itemprop="reviewBody">Great microwave for the price. It is small and
    fits in my apartment.</span>
  </div>
  ...
</div>
Example encoded as RDFa embedded in HTML.
<div vocab="https://schema.org/" typeof="Product">
  <span property="name">Kenmore White 17" Microwave</span>
  <img property="image" src="kenmore-microwave-17in.jpg" alt='Kenmore 17" Microwave' />
  <div property="aggregateRating"
     typeof="AggregateRating">
   Rated <span property="ratingValue">3.5</span>/5
   based on <span property="reviewCount">11</span> customer reviews
  </div>

  <div property="offers" typeof="Offer">
    <!--price is 1000, a number, with locale-specific thousands separator
        and decimal mark, and the $ character is marked up with the
        machine-readable code "USD" -->
    <span property="priceCurrency" content="USD">$</span><span
      property="price" content="1000.00">1,000.00</span>
    <link property="availability" href="https://schema.org/InStock" />In stock
  </div>

  Product description:
  <span property="description">0.7 cubic feet countertop microwave.
  Has six preset cooking categories and convenience features like
  Add-A-Minute and Child Lock.</span>

  Customer reviews:

  <div property="review" typeof="Review">
    <span property="name">Not a happy camper</span> -
    by <span property="author">Ellie</span>,
    <meta property="datePublished" content="2011-04-01">April 1, 2011
    <div property="reviewRating" typeof="Rating">
      <meta property="worstRating" content = "1">
      <span property="ratingValue">1</span>/
      <span property="bestRating">5</span>stars
    </div>
    <span property="reviewBody">The lamp burned out and now I have to replace
    it. </span>
  </div>

  <div property="review" typeof="Review">
    <span property="name">Value purchase</span> -
    by <span property="author">Lucas</span>,
    <meta property="datePublished" content="2011-03-25">March 25, 2011
    <div property="reviewRating" typeof="Rating">
      <meta property="worstRating" content = "1"/>
      <span property="ratingValue">4</span>/
      <span property="bestRating">5</span>stars
    </div>
    <span property="reviewBody">Great microwave for the price. It is small and
    fits in my apartment.</span>
  </div>
  ...
</div>
Example encoded as JSON-LD in a HTML script tag.
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Product",
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "3.5",
    "reviewCount": "11"
  },
  "description": "0.7 cubic feet countertop microwave. Has six preset cooking categories and convenience features like Add-A-Minute and Child Lock.",
  "name": "Kenmore White 17\" Microwave",
  "image": "kenmore-microwave-17in.jpg",
  "offers": {
    "@type": "Offer",
    "availability": "https://schema.org/InStock",
    "price": "55.00",
    "priceCurrency": "USD"
  },
  "review": [
    {
      "@type": "Review",
      "author": "Ellie",
      "datePublished": "2011-04-01",
      "reviewBody": "The lamp burned out and now I have to replace it.",
      "name": "Not a happy camper",
      "reviewRating": {
        "@type": "Rating",
        "bestRating": "5",
        "ratingValue": "1",
        "worstRating": "1"
      }
    },
    {
      "@type": "Review",
      "author": "Lucas",
      "datePublished": "2011-03-25",
      "reviewBody": "Great microwave for the price. It is small and fits in my apartment.",
      "name": "Value purchase",
      "reviewRating": {
        "@type": "Rating",
        "bestRating": "5",
        "ratingValue": "4",
        "worstRating": "1"
      }
    }
  ]
}
</script>
Structured representation of the JSON-LD example.
Example 3
Copied
Example notes or example HTML without markup.
<img src="dell-30in-lcd.jpg" alt="A Dell UltraSharp monitor" />
Dell UltraSharp 30" LCD Monitor

87 out of 100 based on 24 user ratings

$1250 to $1495 from 8 sellers

Sellers:
<a href="save-a-lot-monitors.com/dell-30.html">
  Save A Lot Monitors - $1250</a>
<a href="jondoe-gadgets.com/dell-30.html">
  Jon Doe's Gadgets - $1350</a>
...
Example encoded as Microdata embedded in HTML.
<div itemscope itemtype="https://schema.org/Product">
  <img itemprop="image" src="dell-30in-lcd.jpg" alt="A Dell UltraSharp monitor"/>
  <span itemprop="name">Dell UltraSharp 30" LCD Monitor</span>

  <div itemprop="aggregateRating"
    itemscope itemtype="https://schema.org/AggregateRating">
    <span itemprop="ratingValue">87</span>
    out of <span itemprop="bestRating">100</span>
    based on <span itemprop="ratingCount">24</span> user ratings
  </div>

  <div itemprop="offers" itemscope itemtype="https://schema.org/AggregateOffer">
    <span itemprop="lowPrice">$1250</span>
    to <span itemprop="highPrice">$1495</span>
    from <span itemprop="offerCount">8</span> sellers

    Sellers:
    <div itemprop="offers" itemscope itemtype="https://schema.org/Offer">
        <a itemprop="url" href="save-a-lot-monitors.com/dell-30.html">
        Save A Lot Monitors - $1250</a>
    </div>
    <div itemprop="offers" itemscope itemtype="https://schema.org/Offer">
        <a itemprop="url" href="jondoe-gadgets.com/dell-30.html">
        Jon Doe's Gadgets - $1350</a>
    </div>
  </div>
  ...
</div>
Example encoded as RDFa embedded in HTML.
<div vocab="https://schema.org/" typeof="Product">
    <img property="image" src="dell-30in-lcd.jpg" alt="A Dell UltraSharp monitor"> <span property="name">Dell UltraSharp 30" LCD Monitor</span>
    <div property="aggregateRating" typeof="AggregateRating">
        <span property="ratingValue">87</span> out of
        <span property="bestRating">100</span> based on
        <span property="ratingCount">24</span> user ratings
    </div>
    <div property="offers" typeof="AggregateOffer">
        <span property="lowPrice">$1250</span> to
        <span property="highPrice">$1495</span> from
        <span property="offerCount">8</span> sellers Sellers:
        <div property="offers" typeof="Offer">
            <a property="url" href="save-a-lot-monitors.com/dell-30.html">Save A Lot Monitors - $1250</a>
        </div>
        <div property="offers" typeof="Offer">
            <a property="url" href="jondoe-gadgets.com/dell-30.html">Jon Doe's Gadgets - $1350</a>
        </div>
        ...
    </div>
</div>
Example encoded as JSON-LD in a HTML script tag.
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Product",
  "aggregateRating": {
    "@type": "AggregateRating",
    "bestRating": "100",
    "ratingCount": "24",
    "ratingValue": "87"
  },
  "image": "dell-30in-lcd.jpg",
  "name": "Dell UltraSharp 30\" LCD Monitor",
  "offers": {
    "@type": "AggregateOffer",
    "highPrice": "$1495",
    "lowPrice": "$1250",
    "offerCount": "8",
    "offers": [
      {
        "@type": "Offer",
        "url": "save-a-lot-monitors.com/dell-30.html"
      },
      {
        "@type": "Offer",
        "url": "jondoe-gadgets.com/dell-30.html"
      }
    ]
  }
}
</script>
Structured representation of the JSON-LD example.
Example 4
Copied
Example notes or example HTML without markup.
<a href="category/books.html">Books</a> >
 <a href="category/books-literature.html">Literature &amp; Fiction</a> >
 <a href="category/books-classics">Classics</a>

<img src="catcher-in-the-rye-book-cover.jpg"
  alt="cover art: red horse, city in background"/>
The Catcher in the Rye - Mass Market Paperback
by <a href="/author/jd_salinger.html">J.D. Salinger</a>
4 stars - 3077 reviews

Price: $6.99
In Stock

Product details
224 pages
Publisher: Little, Brown, and Company - May 1, 1991
Language: English
ISBN-10: 0316769487

Reviews:

5 stars - <b>"A masterpiece of literature" </b>
by John Doe. Written on May 4, 2006
I really enjoyed this book. It captures the essential challenge people face
as they try make sense of their lives and grow to adulthood.

4 stars - <b>"love it LOLOL111!" </b>
by Bob Smith, Written on June 15, 2006
Catcher in the Rye is a fun book. It's a good book to read.
Example encoded as Microdata embedded in HTML.
<body itemscope itemtype="https://schema.org/WebPage">
...
<div itemprop="breadcrumb">
  <a href="category/books.html">Books</a> >
  <a href="category/books-literature.html">Literature &amp; Fiction</a> >
  <a href="category/books-classics">Classics</a>
</div>

<div itemprop="mainEntity" itemscope itemtype="https://schema.org/Book">

<img itemprop="image" src="catcher-in-the-rye-book-cover.jpg"
     alt="cover art: red horse, city in background"/>
<span itemprop="name">The Catcher in the Rye</span> -
 <link itemprop="bookFormat" href="https://schema.org/Paperback">Mass Market Paperback
by <a itemprop="author" href="/author/jd_salinger.html">J.D. Salinger</a>

<div itemprop="aggregateRating" itemscope itemtype="https://schema.org/AggregateRating">
  <span itemprop="ratingValue">4</span> stars -
  <span itemprop="reviewCount">3077</span> reviews
</div>

<div itemprop="offers" itemscope itemtype="https://schema.org/Offer">
  Price: $<span itemprop="price">6.99</span>
  <meta itemprop="priceCurrency" content="USD" />
  <link itemprop="availability" href="https://schema.org/InStock">In Stock
</div>

Product details
<span itemprop="numberOfPages">224</span> pages
Publisher: <span itemprop="publisher">Little, Brown, and Company</span> -
 <meta itemprop="datePublished" content="1991-05-01">May 1, 1991
Language: <span itemprop="inLanguage">English</span>
ISBN-10: <span itemprop="isbn">0316769487</span>

Reviews:

<div itemprop="review" itemscope itemtype="https://schema.org/Review">
  <span itemprop="reviewRating">5</span> stars -
  <b>"<span itemprop="name">A masterpiece of literature</span>"</b>
  by <span itemprop="author">John Doe</span>,
  Written on <meta itemprop="datePublished" content="2006-05-04">May 4, 2006
  <span itemprop="reviewBody">I really enjoyed this book. It captures the essential
  challenge people face as they try make sense of their lives and grow to adulthood.</span>
</div>

<div itemprop="review" itemscope itemtype="https://schema.org/Review">
  <span itemprop="reviewRating">4</span> stars -
  <b>"<span itemprop="name">A good read.</span>" </b>
  by <span itemprop="author">Bob Smith</span>,
  Written on <meta itemprop="datePublished" content="2006-06-15">June 15, 2006
  <span itemprop="reviewBody">Catcher in the Rye is a fun book. It's a good book to read.</span>
</div>

</div>
...
</body>
Example encoded as RDFa embedded in HTML.
<body vocab="https://schema.org/" typeof="WebPage">
...
<div property="breadcrumb">
  <a href="category/books.html">Books</a> >
  <a href="category/books-literature.html">Literature &amp; Fiction</a> >
  <a href="category/books-classics">Classics</a>
</div>

<div property="mainEntity" typeof="Book">

<img property="image" src="catcher-in-the-rye-book-cover.jpg"
    alt="cover art: red horse, city in background"/>
<span property="name">The Catcher in the Rye</span> -
 <link property="bookFormat" href="https://schema.org/Paperback">Mass Market Paperback
by <a property="author" href="/author/jd_salinger.html">J.D. Salinger</a>

<div property="aggregateRating" typeof="AggregateRating">
  <span property="ratingValue">4</span> stars -
  <span property="reviewCount">3077</span> reviews
</div>

<div property="offers" typeof="Offer">
  Price: $<span property="price">6.99</span>
  <meta property="priceCurrency" content="USD" />
  <link property="availability" href="https://schema.org/InStock">In Stock
</div>

Product details
<span property="numberOfPages">224</span> pages
Publisher: <span property="publisher">Little, Brown, and Company</span> -
 <meta property="datePublished" content="1991-05-01">May 1, 1991
Language: <span property="inLanguage">English</span>
ISBN-10: <span property="isbn">0316769487</span>

Reviews:

<div property="review" typeof="Review">
  <span property="reviewRating">5</span> stars -
  <b>"<span property="name">A masterpiece of literature</span>"</b>
  by <span property="author">John Doe</span>,
  Written on <meta property="datePublished" content="2006-05-04">May 4, 2006
  <span property="reviewBody">I really enjoyed this book. It captures the essential
  challenge people face as they try make sense of their lives and grow to adulthood.</span>
</div>

<div property="review" typeof="Review">
  <span property="reviewRating">4</span> stars -
  <b>"<span property="name">A good read.</span>" </b>
  by <span property="author">Bob Smith</span>,
  Written on <meta property="datePublished" content="2006-06-15">June 15, 2006
  <span property="reviewBody">Catcher in the Rye is a fun book. It's a good book to read.</span>
</div>

</div>
...
</body>
Example encoded as JSON-LD in a HTML script tag.
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebPage",
  "breadcrumb": "Books > Literature & Fiction > Classics",
  "mainEntity":{
	  "@type": "Book",
	  "author": "/author/jd_salinger.html",
	  "bookFormat": "https://schema.org/Paperback",
	  "datePublished": "1991-05-01",
	  "image": "catcher-in-the-rye-book-cover.jpg",
	  "inLanguage": "English",
	  "isbn": "0316769487",
	  "name": "The Catcher in the Rye",
	  "numberOfPages": "224",
	  "offers": {
	    "@type": "Offer",
	    "availability": "https://schema.org/InStock",
	    "price": "6.99",
	    "priceCurrency": "USD"
	  },
	  "publisher": "Little, Brown, and Company",
	  "aggregateRating": {
	    "@type": "AggregateRating",
	    "ratingValue": "4",
	    "reviewCount": "3077"
	  },
	  "review": [
	    {
	      "@type": "Review",
	      "author": "John Doe",
	      "datePublished": "2006-05-04",
	      "name": "A masterpiece of literature",
	      "reviewBody": "I really enjoyed this book. It captures the essential challenge people face as they try make sense of their lives and grow to adulthood.",
	      "reviewRating": {
            "@type": "Rating",
            "ratingValue": "5"
           }
	    },
	    {
	      "@type": "Review",
	      "author": "Bob Smith",
	      "datePublished": "2006-06-15",
	      "name": "A good read.",
	      "reviewBody": "Catcher in the Rye is a fun book. It's a good book to read.",
	      "reviewRating": "4"
	    }
	  ]
  	}
}
</script>
Structured representation of the JSON-LD example.