30° nexa lunch seminar - linked data platform vs real world
TRANSCRIPT
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Linked Data Platform usare da subito le raccomandazioni del W3C nel modo reale
30 ° Nexa Lunch Seminar
Nexa Center for Internet & Society — April 22, 2015
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by Diego Valerio Camarda Regesta.exe / Bygle team
dvcama @ github DiegoValerioCamarda @ slideshare dvcama @ twitter dvcama @ linkedin dcamarda @ regesta.com
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The role of W3C in our digital life
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The role of W3C in our digital life
W3C's primary activity is to develop protocols and guidelines that ensure long-term growth for the Web. W3C's standards define key parts of what makes the World Wide Web work.
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The role of W3C in our digital life
Resource Description Framework
Recommendation February 25, 2014
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The role of W3C in our digital life
Resource Description Framework
Recommendation February 25, 2014
is a framework for representing information in the Web
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Linked Data Platform
Proposed Recommendation February 26, 2015
The role of W3C in our digital life
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The role of W3C in our digital life
Linked Data Platform
HTTP for accessing, updating, creating and deleting resources
Proposed Recommendation December 16, 2014
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Linked Data in very, very, short
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<http://yourdomain.com/aResource>
Linked Data in very, very, short
IRI, URI, URL and URN
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Content negotiation
Linked Data in very, very, short
Hi dude, I accept: text/html,application/xhtml+xml
Html page Great! I’ll serve you a web page
Hi dude, I accept: application/rdf+xml RDF
data Great… I’ll serve you some data!
Hi dude, I accept: pizza/margherita 406
error mmm… sorry
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Linked Data + Platform going RESTful
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HTTP verbs
Linked Data + Platform going RESTful
OPTIONS GET – HEAD
Retrieve data
POST – PUT Insert data
<http://yourdomain.com/aResource>
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Containers: hierarchical IRI
Linked Data + Platform going RESTful
<http://yourdomain.com/diego>
<http://yourdomain.com/diego/social>
<http://yourdomain.com/diego/social/twitter>
<http://yourdomain.com/diego/social/twitter/tweet1>
<http://yourdomain.com/diego/social/twitter/tweet2>
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(E) Linked Data Platform motivations (and use cases)
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Italian Chamber of Deputies
Linked Data motivations (and use cases)
build and release new products
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CDEC - Foundation Jewish Contemporary Documentation Center
Linked Data motivations (and use cases)
integrate internal sources
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ISPRA - The Institute for Environmental Protection and Research
Linked Data motivations (and use cases)
publish and preserve data
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(E) Linked Data Platform in the real world
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(E) Linked Data Platform in the real world
Legacy maintaining process
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1. produce data
2. export data in different formats
3. send data to someone or publish as Open Data
4. update data and go to step 2
(over and over and over again…)
Legacy maintaining process
(E) Linked Data Platform in the real world
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(E) Linked Data Platform in the real world
LDP maintaining process
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(E) Linked Data Platform in the real world
LDP maintaining process
1. produce data in RDF
2. publish a subset online
3. take a coffee break
4. take another coffee break planning holidays
(don’t take a second coffee if you are not Italian)
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EOF
The End thank you