#LDP what it is and who (and why) is using it right now

1. 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

2. by Diego Valerio Camarda
Regesta.exe / Bygle team
dvcama @ github
DiegoValerioCamarda @ slideshare
dvcama @ twitter
dvcama @ linkedin
dcamarda @ regesta.com

3. The role of W3C
in our digital life

4. 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.

5. The role of W3C
in our digital life
Resource
Description
Framework
Recommendation February 25, 2014

6. The role of W3C
in our digital life
Resource
Description
Framework
Recommendation February 25, 2014
is a framework
for representing
information in
the Web

7. Linked
Data
Platform
Proposed Recommendation February 26, 2015
The role of W3C
in our digital life

8. The role of W3C
in our digital life
Linked
Data
Platform
HTTP for
accessing,
updating, creating
and deleting
resources
Proposed Recommendation December 16, 2014

9. Linked Data
in very, very, short

10. <http://yourdomain.com/aResource>
Linked Data
in very, very, short
IRI, URI, URL and URN

11. Content negotiation
Linked Data
in very, very, short
Hi dude, I accept:
text/html,application/xhtml+xml
Html
pageGreat! I’ll serve you a web page
Hi dude, I accept:
application/rdf+xml
RDF
dataGreat… I’ll serve you some data!
Hi dude, I accept:
pizza/margherita
406
errormmm… sorry

12. Linked Data + Platform
going RESTful

13. HTTP verbs
Linked Data + Platform
going RESTful
OPTIONS
GET – HEAD
Retrieve data
POST – PUT
Insert data
<http://yourdomain.com/aResource>

14. 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>

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

16. Italian Chamber of Deputies
Linked Data
motivations (and use cases)
build and release new products

17. CDEC - Foundation Jewish Contemporary Documentation Center
Linked Data
motivations (and use cases)
integrate internal sources

18. ISPRA - The Institute for Environmental Protection and Research
Linked Data
motivations (and use cases)
publish and preserve data

19. (E) Linked Data Platform
in the real world

20. (E) Linked Data Platform
in the real world
Legacy maintaining process

21. 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

22. (E) Linked Data Platform
in the real world
LDP maintaining process

23. (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)

24. EOF
The End
thank you