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What is JSON-LD?
What is JSON-LD?
Published: 2012/06/19
Channel: Manu Sporny
Enrich Search Results with JSON-LD Markup through Google Tag Manager
Enrich Search Results with JSON-LD Markup through Google Tag Manager
Published: 2016/06/24
Channel: Measureschool
JSON-LD: Core Markup
JSON-LD: Core Markup
Published: 2015/02/17
Channel: Manu Sporny
How to Build Linked Data APIs with JSON LD and Hydra
How to Build Linked Data APIs with JSON LD and Hydra
Published: 2014/10/02
Channel: ProgrammableWeb
Understanding JSON-LD Structured Data
Understanding JSON-LD Structured Data
Published: 2015/05/13
Channel: Koozai
Structured data training: why we only use JSON-LD?
Structured data training: why we only use JSON-LD?
Published: 2017/09/05
Channel: Yoast
Inhalte strukturieren mit Markup und JSON-LD
Inhalte strukturieren mit Markup und JSON-LD
Published: 2017/05/22
Channel: WebExperten
Stand out in search results with Rich Cards
Stand out in search results with Rich Cards
Published: 2016/05/18
Channel: Google Developers
01 - Google Structured Data Course - JSON LD Microdata Simplified
01 - Google Structured Data Course - JSON LD Microdata Simplified
Published: 2017/09/09
Channel: RankYa
JSON schema
JSON schema
Published: 2015/04/10
Channel: whiteboardcoder
How to Create Breadcrumbs in Google with JSON-LD Markup
How to Create Breadcrumbs in Google with JSON-LD Markup
Published: 2016/02/25
Channel: Wiideman Consulting Group
How to Make Your Organization Stand Out on Google with the JSON-LD Structure
How to Make Your Organization Stand Out on Google with the JSON-LD Structure
Published: 2017/08/17
Channel: Get Growth
SmartData Webinar JSON LD
SmartData Webinar JSON LD
Published: 2015/08/17
Channel: DATAVERSITY
Evolution of json-ld.org (Gource Visualization)
Evolution of json-ld.org (Gource Visualization)
Published: 2016/07/10
Channel: Landon Wilkins
JSON-LD: Compaction and Expansion
JSON-LD: Compaction and Expansion
Published: 2015/02/17
Channel: Manu Sporny
JSON-LD
JSON-LD
Published: 2015/10/09
Channel: Audiopedia
Brighton SEO White Board Friday - Kirsty Hulse - Schema, JSON-LD and the Semantic Web
Brighton SEO White Board Friday - Kirsty Hulse - Schema, JSON-LD and the Semantic Web
Published: 2015/04/09
Channel: Prezzybox
2017-07-22 Jiwen Xin "BioThings Explorer: Utilizing JSON-LD for Linking Biological APIs"
2017-07-22 Jiwen Xin "BioThings Explorer: Utilizing JSON-LD for Linking Biological APIs"
Published: 2017/07/31
Channel: OBF BOSC
Adding a Recipe using JSON-LD for SEO
Adding a Recipe using JSON-LD for SEO
Published: 2017/01/11
Channel: Eric Davis
How to do Schema Markup (JSON-LD) for a Hotel Room
How to do Schema Markup (JSON-LD) for a Hotel Room
Published: 2017/05/17
Channel: Hunch Manifest Inc, creators of Schema App
Diego Eis - Linked Data, JSON-LD e Web Semântica - BrazilJS Conf 2016
Diego Eis - Linked Data, JSON-LD e Web Semântica - BrazilJS Conf 2016
Published: 2016/09/21
Channel: BrazilJS
Chapters Web Standards - Web Budget, JSON-LD, Custom Elements
Chapters Web Standards - Web Budget, JSON-LD, Custom Elements
Published: 2016/10/11
Channel: Code & Supply
A RESTful JSON-LD Architecture for Unraveling Hidden References to Research Data
A RESTful JSON-LD Architecture for Unraveling Hidden References to Research Data
Published: 2015/12/18
Channel: SWIB
JSON-LD Structured Data For Local Business
JSON-LD Structured Data For Local Business
Published: 2015/09/27
Channel: Yahia Khan
Structured Data Examples for Google - LocalBusiness Markup
Structured Data Examples for Google - LocalBusiness Markup
Published: 2017/06/01
Channel: RankYa
SEO This Week EP22 - Dominate Local Search, JSON-LD, and YouTube for 2017
SEO This Week EP22 - Dominate Local Search, JSON-LD, and YouTube for 2017
Published: 2017/02/13
Channel: Digitaleer - Web Design and SEO
JSON LD Making every object matter in Semantic Web by Janardan Revuru @jQueryConf 2015
JSON LD Making every object matter in Semantic Web by Janardan Revuru @jQueryConf 2015
Published: 2015/08/18
Channel: ConfEngine
Using Nanotation to aid understanding of JSON-LD Example re. Coinchain
Using Nanotation to aid understanding of JSON-LD Example re. Coinchain
Published: 2017/04/18
Channel: Kingsley Idehen
SEO JSON-LD – Article
SEO JSON-LD – Article
Published: 2016/11/26
Channel: مجلة ووردبريس
MI-SWE.16 - Přednáška 10 - JSON-LD, Relational Database Wrappers (R2RML)
MI-SWE.16 - Přednáška 10 - JSON-LD, Relational Database Wrappers (R2RML)
Published: 2016/12/07
Channel: Vláďa Mlázovský
How to do Schema Markup (JSON-LD) for a Hotel
How to do Schema Markup (JSON-LD) for a Hotel
Published: 2017/05/17
Channel: Hunch Manifest Inc, creators of Schema App
Schema.org Markup - Microdata and JSON-Ld Code Implementation
Schema.org Markup - Microdata and JSON-Ld Code Implementation
Published: 2017/08/30
Channel: Digital Marketing Hindi
JSON-LD, Web 3.0 and Semantics for SEO in 2015 and beyond
JSON-LD, Web 3.0 and Semantics for SEO in 2015 and beyond
Published: 2015/08/14
Channel: Black Hat Daddy
JSON-LD for SEO - Shopify app
JSON-LD for SEO - Shopify app
Published: 2017/09/15
Channel: Eric Davis
R. Alexander Miłowski (UC, Berkeley): Semantic Hybridization: Mixing RDFa and JSON-LD
R. Alexander Miłowski (UC, Berkeley): Semantic Hybridization: Mixing RDFa and JSON-LD
Published: 2015/05/30
Channel: XMLPrague
Add JSON-LD structured data markup to genesis WordPress
Add JSON-LD structured data markup to genesis WordPress
Published: 2016/01/24
Channel: evenseven
David Kelleher  - Coding the Semantic Web with HTML5 and JSON LD (303)
David Kelleher - Coding the Semantic Web with HTML5 and JSON LD (303)
Published: 2016/02/14
Channel: Ski PHP
Do You Remove Yoast Markup When Adding JSON LD In The Header?
Do You Remove Yoast Markup When Adding JSON LD In The Header?
Published: 2016/05/19
Channel: Semantic Mastery
Increase your website traffic using Cincopa JSON-LD embed code for publishing videos and images
Increase your website traffic using Cincopa JSON-LD embed code for publishing videos and images
Published: 2017/06/15
Channel: Cincopa Video
Adding Blog Microdata | Structured Data JSON-LD for Semantic Websites.
Adding Blog Microdata | Structured Data JSON-LD for Semantic Websites.
Published: 2016/03/14
Channel: Elyrad
How to Add Structured Data to WordPress
How to Add Structured Data to WordPress
Published: 2015/05/03
Channel: RankYa
Conversione da RDF a JSON-LD
Conversione da RDF a JSON-LD
Published: 2017/06/06
Channel: Luca Vitale
Evolution of json-ld (Gource Visualization)
Evolution of json-ld (Gource Visualization)
Published: 2015/11/27
Channel: Landon Wilkins
Evolution of php-json-ld (Gource Visualization)
Evolution of php-json-ld (Gource Visualization)
Published: 2015/10/31
Channel: Landon Wilkins
BayNode - Manu Sporny - JSON-LD
BayNode - Manu Sporny - JSON-LD
Published: 2013/11/13
Channel: Ross Kukulinski
Evolution of jsonld.js (Gource Visualization)
Evolution of jsonld.js (Gource Visualization)
Published: 2015/09/15
Channel: Landon Wilkins
JSON LD
JSON LD
Published: 2017/01/18
Channel: Apifier
JSON-LD Structured Data For Local Business
JSON-LD Structured Data For Local Business
Published: 2015/12/27
Channel: Miss Ashley
Number Of Network Properties for SameAs Area Of JSONLD Markup
Number Of Network Properties for SameAs Area Of JSONLD Markup
Published: 2016/05/12
Channel: Semantic Mastery
Using JSON-LD “Local Business” Markup In The Footer Page For City-Service Pages
Using JSON-LD “Local Business” Markup In The Footer Page For City-Service Pages
Published: 2017/06/01
Channel: Semantic Mastery
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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JSON-LD
Filename extension .jsonld
Internet media type application/ld+json
Type of format Semantic Web
Container for Linked Data
Extended from JSON
Standard JSON-LD 1.0 / JSON-LD 1.0 API
Open format? Yes
JSON-LD 1.0 - A JSON-based Serialization for Linked Data
Status W3C Recommendation
Year started 2010
Editors Manu Sporny, Gregg Kellogg, Markus Lanthaler
Authors Manu Sporny, Dave Longley, Gregg Kellogg, Markus Lanthaler, Niklas Lindström
Base standards JSON, RDF
Domain Semantic Web, Data Serialization
Abbreviation JSON-LD
Website JSON-LD 1.0
JSON-LD 1.0 Processing Algorithms and API
Status W3C Recommendation
Year started 2010
Editors Markus Lanthaler, Gregg Kellogg, Manu Sporny
Authors Dave Longley, Gregg Kellogg, Markus Lanthaler, Manu Sporny
Base standards JSON-LD
Domain Semantic Web, API, Algorithm
Abbreviation JSON-LD-API
Website JSON-LD 1.0 API

JSON-LD, or JavaScript Object Notation for Linked Data, is a method of encoding Linked Data using JSON. It was a goal to require as little effort as possible from developers to transform their existing JSON to JSON-LD.[1] This allows data to be serialized in a way that is similar to traditional JSON.[2] It is a World Wide Web Consortium Recommendation. It was initially developed by the JSON for Linking Data Community Group before being transferred to the RDF Working Group[3] for review, improvement, and standardization.[4]

Design[edit]

JSON-LD is designed around the concept of a "context" to provide additional mappings from JSON to an RDF model. The context links object properties in a JSON document to concepts in an ontology. In order to map the JSON-LD syntax to RDF, JSON-LD allows values to be coerced to a specified type or to be tagged with a language. A context can be embedded directly in a JSON-LD document or put into a separate file and referenced from different documents (from traditional JSON documents via an HTTP Link header).

Example[edit]

{
  "@context": {
    "name": "http://xmlns.com/foaf/0.1/name",
    "homepage": {
      "@id": "http://xmlns.com/foaf/0.1/workplaceHomepage",
      "@type": "@id"
    },
    "Person": "http://xmlns.com/foaf/0.1/Person"
  },
  "@id": "http://me.example.com",
  "@type": "Person",
  "name": "John Smith",
  "homepage": "http://www.example.com/"
}

The example above describes a person, based on the FOAF vocabulary. First, the two JSON properties name and homepage and the type Person are mapped to concepts in the FOAF vocabulary and the value of the homepage property is specified to be of the type @id, i.e., it is specified to be an IRI in the context definition. Based on the RDF model, this allows the person described in the document to be unambiguously identified by an IRI. The use of resolvable IRIs allows RDF documents containing more information to be transcluded which enables clients to discover new data by simply following those links; this principle is known as Follow Your Nose.[5]

By having all data semantically annotated as in the example, an RDF processor can identify that the document contains information about a person (@type) and if the processor understands the FOAF vocabulary it can determine which properties specify the person’s name and homepage.

Use[edit]

The encoding is used by Google Knowledge Graph[6] and others[who?].

References[edit]

  1. ^ "JSON-LD Syntax 1.0". 2011-12-27. Retrieved 2011-12-30. 
  2. ^ "On Using JSON-LD to Create Evolvable RESTful Services". , M. Lanthaler and C. Gütl in Proceedings of the 3rd International Workshop on RESTful Design (WS-REST 2012) at WWW2012.
  3. ^ RDF Working Group This Working Group ended its activities on 1 July 2014 and is now closed.
  4. ^ JSON-LD 1.0, A JSON-based Serialization for Linked Data, W3C Recommendation 16 January 2013, 2014-01-16 
  5. ^ "Linked Data Patterns, Chapter 5: Follow Your Nose". 2011-12-27. Retrieved 2011-12-30. 
  6. ^ "Method Entities in Search". Google Developers. Retrieved 2016-02-19. 

External links[edit]

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