1. Web Semântica
para desenvolvedores:
RDFa, JSON-LD e schema.org
@newtoncalegari
W3C Brasil

3. Web de Documentos
Web de Dados

4. “The Semantic Web aims to describe
the meaning of information published
on the Web to enable retrieval based
on an accurate understanding of that
information’s semantics”
(RODRÍGUEZ-ROCHA et al., 2015)

5. Tim Berners Lee, 2000

6. Benjamin Nowack, 2009

7. RDF
sujeito predicado objeto
http://fb.com/italowaxman http://cironunes.com/foaf:knows
Vocabulário FOAF

9. Google Rich Snippets
https://developers.google.com/structured-data/rich-snippets/

10. Google Rich Snippets
https://developers.google.com/structured-data/rich-snippets/

11. Google Email Markup
https://developers.google.com/gmail/markup/

12. Google Email Markup
https://developers.google.com/gmail/markup/

13. Google Knowledge Graph

15. Alguns atributos básicos RDFa
vocab
property
typeof
content

16. @vocab

17. @typeof

18. @property

19. @content

21. Simplicidade e Compatibilidade
{
"name": “Newton Calegari",
"homepage": “http://newtoncalegari.com“
"image": “http://newtoncalegari.com/imgs/n01.png“
}
{
"http://schema.org/name": “Newton Calegari”,
…
"http://schema.org/image": “http://.../n01.png“
}

22. Simplicidade e Compatibilidade
{
"name": “Newton Calegari",
"homepage": “http://newtoncalegari.com“
"image": “http://newtoncalegari.com/imgs/n01.png“
}
{
"http://schema.org/name": “Newton Calegari”,
…
"http://schema.org/image": “http://.../n01.png“
}

24. @context

26. JSON-LD e RDFa são simples!

27. @newtoncalegari
Cheers !