semantics, rdf and drupal
TRANSCRIPT
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Semantics, RDF and Drupal
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Worked on
while working at
Since then I have been working on
at
Gokul N K
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A new form of web content that is meaningful to computers will unleash a
revolution of possibilities.
- Tim Berners Lee
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World’s first web page
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Browser and Websites in 1993
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A current day web page
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Google fetches data from Wikipedia. Even you can.
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What humans see?
Visual Indicators
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What machines see?Div within a div
within a div
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What is Semantics
Express MeaningKnowledge Representation
OntologyAgents
Evolution of Knowledge
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Semantics, RDF and Drupal
http://sig.ma/search?q=tim+berners+lee&templateName=
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Benefits 1. Data becomes interoperable
2. Easier to create mash-up website3. More relevant results in search
4. Data mining
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What is RDF
Resource Description Framework
RDF talks about resources, their properties and their relationships.
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Schema.org
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Schema - Event
1. Title2. Time3. Location
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Schema Recipe
1. Ratings for the recipe2. Number of reviews3. Duration4. Calories
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Schema Person
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Drupal and RDF
1. Drupal is one of the first platforms to adopt the concepts of RDF in its core.
2. Drupal 7 has a basic RDF module in its core.
3. Drupal has various modules which extend the RDF capabilities.
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Schema orghttp://drupal.org/project/schemaorg
1. Most Basic Module2. Google Rick snippet3. RDFa format
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Microdatahttp://drupal.org/project/microdata
1. Microdata strips all the RDFa tags, hence can’t use both schema and
microdata.2. Has support for address fields and
Fivestar ratings
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RDFxMost extensive module. Has support
for extending the RDF features.
1. RDFx (API)2. RDF UI
3. Evoc (Import vocabs)X
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Semantics, RDF and Drupal
http://dbpedia.org/snorql/?query=SELECT+%3Fpopulation+WHERE+%7B%0D%0A%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FPittsburgh
%3E+dbpedia2%3ApopulationMetro+%3Fpopulation%0D%0A%7D
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Semantics, RDF and Drupal
Enough of theory
DEMO TIME
www.gokulnk.com
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“If properly designed, the Semantic Web can assist the evolution of human knowledge as a whole.”
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What is the meaning of Life?
Thank you, Gokul.