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The Semantic Web and Why You Should Care.
This Is The Most
Informal Talk You Will
  Ever Hear About a
     Formal Topic
Ben Fields - Goldsmiths University of London
  Kevin Page - University of Southampton
or
 The Semantic Web
and why you should
       care
Semantic Web
Semantic Web
Semantic
meaning
machine readable
machine readable
   meaning
self-describing
machine readable
    meaning
Why RDF?



 self-describing
machine readable
    meaning
What is RDF?
RDF is a model
          predicate
subject               object
Is that it?
Yes, that’s it.
            predicate
subject                 object
The model can be
serialized as XML
The model can be
serialized as XML

   It’s pig ugly
The model can be
 serialized as XML

     It’s pig ugly

    That’s fine.
Machines eat ugly for
     breakfast
Honestly, don’t worry
 RDF != RDF/XML
Our model can
describe models
Specific Models
Specific Models

 About stuff
Specific Models

 About Things
Specific Models

 About Things

Let’s call these
  ontologies
This Is The Most
Informal Talk You Will
  Ever Hear About a
     Formal Topic
Ben Fields - Goldsmiths University of London
  Kevin Page - University of Southampton
The Semantic Web and Why You Should Care.
Ontologies are
described in OWL
Ontologies are
described in OWL

OWL is modeled in
      RDF
RDF is machine
  readable
RDF is machine
  readable

So ontologies can
 understood by
    machines
This Is The Most
Informal Talk You Will
  Ever Hear About a
     Formal Topic
Ben Fields - Goldsmiths University of London
  Kevin Page - University of Southampton
Even if that’s just to
assert that everything is
         a Thing
This Is The Most
Informal Talk You Will
  Ever Hear About a
     Formal Topic
Ben Fields - Goldsmiths University of London
  Kevin Page - University of Southampton
Semantic Web
Semantic Web
Web
The Web is simply the
biggest, most successful,
     most useable,
  distributed systems
   architecture ever.
“The Web is simply the
biggest, most successful,
     most useable,
  distributed systems
   architecture ever.”
              David De Roure
Linking
Linking


Scale
The mechanism for

            Linking
      enables the Web to

        Scale
Do people scale?
Do people scale?

Do people scale to the
  size of the Web?
machine readable
   meaning
Why does the
 Web scale?
REST
A Resource Oriented
    Architecture
A Resource Oriented
      Architecture
with a simple protocol to
return representations of
    those resources
HTTP returns those
 representations
HTTP returns those
 representations

    When it talks to us,
     it returns HTML
The resources are
simply addressable
     objects
so ur ce
  Re
What is RDF? e wor k
                       nFram
             ri p t io
     De sc
About those
addressable
  Things...
We address them
  using URIs
http://www.bbc.co.uk/music/artists/668fd73c-bf54-4310-a139-305517f05311
http://www.bbc.co.uk/music/artists/668fd73c-bf54-4310-a139-305517f05311

                       This is the Willie Nelson.
http://www.bbc.co.uk/music/artists/668fd73c-bf54-4310-a139-305517f05311

                       This is the Willie Nelson.

                               Honest.
Everything in RDF
       is a
    resource
Everything in RDF
       is a
       URI
ot q u i te
                   n
          Yes, that’s ^it.
            predicate
subject                              object
      I        U R I                      I
  U R                                 U R
Why is this
   important to
second generation
 digital libraries?
Principally libraries
 are about sharing
Principally libraries
 are about sharing
      Things.
Do people scale?
Do people scale?

Do people scale to the
  size of the Web?
machine readable
   meaning
The Semantic Web and Why You Should Care.
Demo?
Questions?

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The Semantic Web and Why You Should Care.