RDFa In A Nutshell V2

•

27 likes•23,503 views

Fabien Gandon

Takahashi style tutorial on RDFa (Version 1)

Technology Design

in a nutshell
RDFa
fabien, gandon, inria

many data
buried and dormant in web pages

2

several initiatives to make data
embedding explicit

4

for specific, common, concise data

for custom data, RDF data, multiple schemas

5

RDFa = a domain-independent way to explicitly
embed your data

6

RDFa = a domain-independent way to explicitly
embed RDF data

7

RDFa stands for…

RDF… in HTML … attributes

8

RDFa in attributes of a web page to…
… transfer data from an application
to another through the web.

… write data only once for web
users and web applications.

9

RDFa step 1
declare the schemas you are using

11

RDFa step 2
use attributes to mark, type and add data

12

RDFa step 3
let RDFa agents extract RDF from the document

13

don't look at the code of this web page
<html xmlns=quot;http://www.w3.org/1999/xhtmlquot;
xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot;
xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; >
<body>
<p about=quot;#event1quot; typeof=quot;cal:Veventquot;>
<b property=quot;cal:summaryquot;>Weekend off in Iona</b>:
<span property=quot;cal:dtstartquot; datatype=quot;xs:datequot;>2006-10-21
</span> to
<span property=quot;cal:dtendquot; datatype=quot;xs:datequot;>2006-10-23
</span>.
see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;>
Free time web site</a> for info on
<span property=quot;cal:locationquot;>Iona, UK</span>.
</p>
</body>
</html> 15

schemas for data in this web page
<html xmlns=quot;http://www.w3.org/1999/xhtmlquot;
xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot;
xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; >
<body>
<p about=quot;#event1quot; typeof=quot;cal:Veventquot;>
<b property=quot;cal:summaryquot;>Weekend off in Iona</b>:
<span property=quot;cal:dtstartquot; datatype=quot;xs:datequot;>2006-10-21
</span> to
<span property=quot;cal:dtendquot; datatype=quot;xs:datequot;>2006-10-23
</span>.
see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;>
Free time web site</a> for info on
<span property=quot;cal:locationquot;>Iona, UK</span>.
</p>
</body>
</html> 16

data seen by users viewing this web page
<html xmlns=quot;http://www.w3.org/1999/xhtmlquot;
xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot;
xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; >
<body>
<p about=quot;#event1quot; typeof=quot;cal:Veventquot;>
<b property=quot;cal:summaryquot;>Weekend off in Iona</b>:
<span property=quot;cal:dtstartquot; datatype=quot;xs:datequot;>2006-10-21
</span> to
<span property=quot;cal:dtendquot; datatype=quot;xs:datequot;>2006-10-23
</span>.
see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;>
Free time web site</a> for info on
<span property=quot;cal:locationquot;>Iona, UK</span>.
</p>
</body>
</html> 17

data for an RDFa agent in this web page
<html xmlns=quot;http://www.w3.org/1999/xhtmlquot;
xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot;
xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; >
<body>
<p about=quot;#event1quot; typeof=quot;cal:Veventquot;>
<b property=quot;cal:summaryquot;>Weekend off in Iona</b>:
<span property=quot;cal:dtstartquot; datatype=quot;xs:datequot;>2006-10-21
</span> to
<span property=quot;cal:dtendquot; datatype=quot;xs:datequot;>2006-10-23
</span>.
see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;>
Free time web site</a> for info on
<span property=quot;cal:locationquot;>Iona, UK</span>.
</p>
</body>
</html> 18

data shared by both in this web page
<html xmlns=quot;http://www.w3.org/1999/xhtmlquot;
xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot;
xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; >
<body>
<p about=quot;#event1quot; typeof=quot;cal:Veventquot;>
<b property=quot;cal:summaryquot;>Weekend off in Iona</b>:
<span property=quot;cal:dtstartquot; datatype=quot;xs:datequot;>2006-10-21
</span> to
<span property=quot;cal:dtendquot; datatype=quot;xs:datequot;>2006-10-23
</span>.
see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;>
Free time web site</a> for info on
<span property=quot;cal:locationquot;>Iona, UK</span>.
</p>
</body>
</html> 19

what an RDFa agent knows
from this web page

#event1 isA cal:Vevent
#event1 cal:summary quot;Weekend off in Ionaquot;
#event1 cal:dtstart quot;2006-10-21quot;^^xs:date
#event1 cal:dtend quot;2006-10-23quot;^^ xs:date
#event1 cal:url <http://freetime.example.org/>
#event1 cal:location quot;Iona, UKquot;
20

don't bury
your data in some HTML page

22

when you publish a page that contains
data…

23

What's hot

The Cultural Linked Data BackboneRichard Wallis

Drupal and Apache Stanbol. What if you could reliably do autotagging?Gabriel Dragomir

CKAN as an open-source data management solution for open data AIMS (Agricultural Information Management Standards)

Semantic web application architectureDon Willems

Hydra: A Vocabulary for Hypermedia-Driven Web APIsMarkus Lanthaler

Emerging technologies in academic librariesMichael Cummings

Querying Linked Data with SPARQL (2010)Olaf Hartig

ResourceSync: Leveraging Sitemaps for Resource SynchronizationBernhard Haslhofer

RDFa in ostala spletna semantikaJure Cuhalev

Adventures in Linked Data Land (presentation by Richard Light)jottevanger

Sakai11docproxyjrmdkc

Python Packages for Web Data Extraction and AnalysisEdgar Marca

Customizing CKANOKCon2013

Combining Heritrix and PhantomJS for Better Crawling of Pages with JavascriptMichael Nelson

Active Record Internals - Medellin.rbOscar Rendon

What's hot (15)

The Cultural Linked Data Backbone

Drupal and Apache Stanbol. What if you could reliably do autotagging?

CKAN as an open-source data management solution for open data

Semantic web application architecture

Hydra: A Vocabulary for Hypermedia-Driven Web APIs

Emerging technologies in academic libraries

Querying Linked Data with SPARQL (2010)

ResourceSync: Leveraging Sitemaps for Resource Synchronization

RDFa in ostala spletna semantika

Adventures in Linked Data Land (presentation by Richard Light)

Sakai11docproxy

Python Packages for Web Data Extraction and Analysis

Customizing CKAN

Combining Heritrix and PhantomJS for Better Crawling of Pages with Javascript

Active Record Internals - Medellin.rb

Viewers also liked

Introduccion JenaJorge Fierro

Pal gov.tutorial2.session15 2.rd_faMustafa Jarrar

DCMI/RDA Task Group Report, DC-2010 PittsburghDiane Hillmann

Pal gov.tutorial2.session15 1.linkeddataMustafa Jarrar

iPhone Coding For Web DevelopersMatt Biddulph

RDFaHassen Sic

Viewers also liked (6)

Introduccion Jena

Pal gov.tutorial2.session15 2.rd_fa

DCMI/RDA Task Group Report, DC-2010 Pittsburgh

Pal gov.tutorial2.session15 1.linkeddata

iPhone Coding For Web Developers

RDFa

Similar to RDFa In A Nutshell V2

Linked data: spreading data over the webshellac

How RDFa worksJISC Netskills

SemWeb Fundamentals - Info Linking & Layering in PracticeDan Brickley

Drupal 8 Render CacheErik Stielstra

Jarrar: The Next Generation of the Web 3.0: The Semantic WebMustafa Jarrar

Code Camp - Building a Glass app with Wakandatroxell

2014 bigdatacamp asya_kamskyData Con LA

"Who Moved my Data? - Why tracking changes and sources of data is critical to...Cask Data

Open Data and CKAN Data Cataloguesdavid-read

Linked Data in Use: Schema.org, JSON-LD and hypermedia APIs - Front in Bahia...Ícaro Medeiros

Readying Web Archives to Consume and Leverage Web BundlesSawood Alam

Web Browser Controls in Adlib: The Hidden Diamond in the Adlib Treasure ChestAxiell ALM

Danbri Drupalcon ExportDrupalcon Paris

Triplewave: a step towards RDF Stream Processing on the WebDaniele Dell'Aglio

Riak from Small to LargeRusty Klophaus

NYC WebPerf Meetup Feb 2020 - Measuring the Adoption of Web Performance Techn...Paul Calvano

The Impact of BibframeThomas Meehan

Data Source API in SparkDatabricks

GDG Meets U event - Big data & Wikidata - no lies codelabCAMELIA BOBAN

The A to Z of developing for the webMatt Wood

Similar to RDFa In A Nutshell V2 (20)

Linked data: spreading data over the web

How RDFa works

SemWeb Fundamentals - Info Linking & Layering in Practice

Drupal 8 Render Cache

Jarrar: The Next Generation of the Web 3.0: The Semantic Web

Code Camp - Building a Glass app with Wakanda

2014 bigdatacamp asya_kamsky

"Who Moved my Data? - Why tracking changes and sources of data is critical to...

Open Data and CKAN Data Catalogues

Linked Data in Use: Schema.org, JSON-LD and hypermedia APIs - Front in Bahia...

Readying Web Archives to Consume and Leverage Web Bundles

Web Browser Controls in Adlib: The Hidden Diamond in the Adlib Treasure Chest

Danbri Drupalcon Export

Triplewave: a step towards RDF Stream Processing on the Web

Riak from Small to Large

NYC WebPerf Meetup Feb 2020 - Measuring the Adoption of Web Performance Techn...

The Impact of Bibframe

Data Source API in Spark

GDG Meets U event - Big data & Wikidata - no lies codelab

The A to Z of developing for the web

Recently uploaded

Workshop - Best of Both Worlds_ Combine KG and Vector search for enhanced R...Neo4j

Advantages of Hiring UIUX Design Service Providers for Your BusinessPixlogix Infotech

CNv6 Instructor Chapter 6 Quality of Servicegiselly40

How to Troubleshoot Apps for the Modern Connected WorkerThousandEyes

The Codex of Business Writing Software for Real-World Solutions 2.pptxMalak Abu Hammad

2024: Domino Containers - The Next Step. News from the Domino Container commu...Martijn de Jong

Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...Drew Madelung

08448380779 Call Girls In Diplomatic Enclave Women Seeking MenDelhi Call girls

Scaling API-first – The story of a global engineering organizationRadu Cotescu

Exploring the Future Potential of AI-Enabled Smartphone Processorsdebabhi2

IAC 2024 - IA Fast Track to Search Focused AI SolutionsEnterprise Knowledge

08448380779 Call Girls In Greater Kailash - I Women Seeking MenDelhi Call girls

Driving Behavioral Change for Information Management through Data-Driven Gree...Enterprise Knowledge

Real Time Object Detection Using Open CVKhem

08448380779 Call Girls In Friends Colony Women Seeking MenDelhi Call girls

Data Cloud, More than a CDP by Matt RobisonAnna Loughnan Colquhoun

GenCyber Cyber Security Day PresentationMichael W. Hawkins

04-2024-HHUG-Sales-and-Marketing-Alignment.pptxHampshireHUG

What Are The Drone Anti-jamming Systems Technology?Antenna Manufacturer Coco

Boost PC performance: How more available memory can improve productivityPrincipled Technologies

Recently uploaded (20)

Workshop - Best of Both Worlds_ Combine KG and Vector search for enhanced R...

Advantages of Hiring UIUX Design Service Providers for Your Business

CNv6 Instructor Chapter 6 Quality of Service

How to Troubleshoot Apps for the Modern Connected Worker

The Codex of Business Writing Software for Real-World Solutions 2.pptx

2024: Domino Containers - The Next Step. News from the Domino Container commu...

Strategies for Unlocking Knowledge Management in Microsoft 365 in the Copilot...

08448380779 Call Girls In Diplomatic Enclave Women Seeking Men

Scaling API-first – The story of a global engineering organization

Exploring the Future Potential of AI-Enabled Smartphone Processors

IAC 2024 - IA Fast Track to Search Focused AI Solutions

08448380779 Call Girls In Greater Kailash - I Women Seeking Men

Driving Behavioral Change for Information Management through Data-Driven Gree...

Real Time Object Detection Using Open CV

08448380779 Call Girls In Friends Colony Women Seeking Men

Data Cloud, More than a CDP by Matt Robison

GenCyber Cyber Security Day Presentation

04-2024-HHUG-Sales-and-Marketing-Alignment.pptx

What Are The Drone Anti-jamming Systems Technology?

Boost PC performance: How more available memory can improve productivity

RDFa In A Nutshell V2

1. in a nutshell RDFa fabien, gandon, inria

2. many data buried and dormant in web pages 2

3. in particular data in the deep web 3

4. several initiatives to make data embedding explicit 4

5. for specific, common, concise data for custom data, RDF data, multiple schemas 5

6. RDFa = a domain-independent way to explicitly embed your data 6

7. RDFa = a domain-independent way to explicitly embed RDF data 7

8. RDFa stands for… RDF… in HTML … attributes 8

9. RDFa in attributes of a web page to… … transfer data from an application to another through the web. … write data only once for web users and web applications. 9

10. weaving RDFa in web pages 10

11. RDFa step 1 declare the schemas you are using 11

12. RDFa step 2 use attributes to mark, type and add data 12

13. RDFa step 3 let RDFa agents extract RDF from the document 13

14. take this minimal web page 14

15. don't look at the code of this web page <html xmlns=quot;http://www.w3.org/1999/xhtmlquot; xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; > <body> Weekend off in Iona: 2006-10-21 to 2006-10-23 . see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;> Free time web site</a> for info on Iona, UK. </body> </html> 15

16. schemas for data in this web page <html xmlns=quot;http://www.w3.org/1999/xhtmlquot; xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; > <body> Weekend off in Iona: 2006-10-21 to 2006-10-23 . see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;> Free time web site</a> for info on Iona, UK. </body> </html> 16

17. data seen by users viewing this web page <html xmlns=quot;http://www.w3.org/1999/xhtmlquot; xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; > <body> Weekend off in Iona: 2006-10-21 to 2006-10-23 . see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;> Free time web site</a> for info on Iona, UK. </body> </html> 17

18. data for an RDFa agent in this web page <html xmlns=quot;http://www.w3.org/1999/xhtmlquot; xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; > <body> Weekend off in Iona: 2006-10-21 to 2006-10-23 . see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;> Free time web site</a> for info on Iona, UK. </body> </html> 18

19. data shared by both in this web page <html xmlns=quot;http://www.w3.org/1999/xhtmlquot; xmlns:cal=quot;http://www.w3.org/2002/12/cal/icaltzd#quot; xmlns:xs=quot;http://www.w3.org/2001/XMLSchema#quot; > <body> Weekend off in Iona: 2006-10-21 to 2006-10-23 . see <a rel=quot;cal:urlquot; href=quot;http://freetime.example.org/quot;> Free time web site</a> for info on Iona, UK. </body> </html> 19

20. what an RDFa agent knows from this web page #event1 isA cal:Vevent #event1 cal:summary quot;Weekend off in Ionaquot; #event1 cal:dtstart quot;2006-10-21quot;^^xs:date #event1 cal:dtend quot;2006-10-23quot;^^ xs:date #event1 cal:url <http://freetime.example.org/> #event1 cal:location quot;Iona, UKquot; 20

21. take away message 21

22. don't bury your data in some HTML page 22

23. when you publish a page that contains data… 23

24. do make the embedding explicit 24

25. fabien, gandon 25

RDFa In A Nutshell V2

Recommended

Recommended

More Related Content

What's hot

What's hot (15)

Viewers also liked

Viewers also liked (6)

Similar to RDFa In A Nutshell V2

Similar to RDFa In A Nutshell V2 (20)

More from Fabien Gandon

More from Fabien Gandon (20)

Recently uploaded

Recently uploaded (20)

RDFa In A Nutshell V2