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JSON-LDfor RESTful ServicesMarkus LanthalerGraz University of Technology

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Web APIs are becoming a must-have

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- Layered system

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Semaphobia!?

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Linked Data Graph

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Example Jane Doe

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http://example.com/persons/{id}{ "id": "mlanthaler", "name": "Markus Lanthaler", "title": { "de": "Dipl.Ing.", "en": "MSc" }, "workHomepage": "http://www.tugraz.at", "knows": [ { "id": "johndoe", "name": "John Doe" }, { "id": "janedoe", "name": "Jane Doe" } ]}

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{ "@id": "mlanthaler", "name": "Markus Lanthaler", "title": [ { "@language": "de", "@value": "Dipl.Ing." }, { "@language": "en", "@value": "MSc" } ], "workHomepage": "http://www.tugraz.at", "knows": [ { "@id": "johndoe", "name": "John Doe" }, { "@id": "janedoe", "name": "Jane Doe" } ]} { "@context": { "foaf": "http://xmlns.com/foaf/0.1/", "name": "foaf:name", "title": "foaf:title", "workHomepage": { "@id": "foaf:workplaceHomepage", "@type": "@id" }, "knows": "foaf:knows" } }

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Link: </context.jsonld>; rel="describedby"{ "id": "mlanthaler", "name": "Markus Lanthaler", "title_de": "Dipl.Ing.", "title_en": "MSc", "homepage": "http://www.tugraz.at", "knows": [ { "id": "johndoe", "name": "John Doe" }, { "id": "janedoe", "name": "Jane Doe" } ]}{ "@context": { "foaf": "http://xmlns.com/foaf/0.1/", "name": "foaf:name", "title_de": { "@id": "foaf:title", "@language": "de" }, "title_en": { "@id": "foaf:title", "@language": "en" }, "homepage": { "@id": "foaf:workplaceHomepage", "@type": "@id" }, "knows": "foaf:knows", "id": "@id" }}

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@context @id @language @list @set@value @type @container @graph

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kTBS

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Thank You© 2011, Markus Lanthaler. Some Rights Reserved.http://creativecommons.org/licenses/by-nc-sa/3.0/

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Questions?Markus Lanthaler @MarkusLanthalerMarkus.Lanthaler@student.TUGraz.at http://www.slideshare.net/lanthaler

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Image Credits(1) http://www.flickr.com/photos/bestrated1/49371264/(2) http://www.flickr.com/photos/johnmcnab/3759095224/(3) http://www.flickr.com/photos/alexdram/3095419858/(4) Adapted from: http://www.flickr.com/photos/elektronaut/243067805/(7) http://en.wikipedia.org/wiki/The_Scream