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

by Diego Valerio Camarda Regesta.exe / Bygle team

dvcama @ github DiegoValerioCamarda @ slideshare dvcama @ twitter dvcama @ linkedin dcamarda @ regesta.com

The role of W3C in our digital life

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.

The role of W3C in our digital life

Resource Description Framework

Recommendation February 25, 2014

The role of W3C in our digital life

Resource Description Framework

Recommendation February 25, 2014

is a framework for representing information in the Web

Linked Data Platform

Proposed Recommendation February 26, 2015

The role of W3C in our digital life

The role of W3C in our digital life

Linked Data Platform

HTTP for accessing, updating, creating and deleting resources

Proposed Recommendation December 16, 2014

Linked Data in very, very, short

<http://yourdomain.com/aResource>

Linked Data in very, very, short

IRI, URI, URL and URN

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

Linked Data + Platform going RESTful

HTTP verbs

Linked Data + Platform going RESTful

OPTIONS GET – HEAD

Retrieve data

POST – PUT Insert data

<http://yourdomain.com/aResource>

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>

(E) Linked Data Platform motivations (and use cases)

Italian Chamber of Deputies

Linked Data motivations (and use cases)

build and release new products

CDEC - Foundation Jewish Contemporary Documentation Center

Linked Data motivations (and use cases)

integrate internal sources

ISPRA - The Institute for Environmental Protection and Research

Linked Data motivations (and use cases)

publish and preserve data

(E) Linked Data Platform in the real world

(E) Linked Data Platform in the real world

Legacy maintaining process

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

(E) Linked Data Platform in the real world

LDP maintaining process

(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)

EOF

The End thank you