cogapp open studios 2012 - adventures with linked data
DESCRIPTION
'Adventures with Linked Data' - a presentation by Cogapp's Technical Director Ben Rubinstein and Head of Web Development Tristan Roddis for Cogapp's Open Studio Day as part of the Brighton Digital Festival 2012.TRANSCRIPT
Adventures with Linked Data
Tristan Roddis, Ben RubinsteinCogapp Open Studios, 2012
Agenda
• Whirlwind tour of linked data• Ingredients to build your own• Pros• Cons• Case studies• Questions
A brief history of data
• Relational• Hierarchical• Graph
XML example
Relational example
Linked data example
Anatomy of an RDF triple
• subject predicate object
• <http://example.org/family-tree#tristan> <http://xmlns.com/foaf/0.1/firstName> "Tristan".
tree:tristan “Tristan”foaf:firstName
TTL
RDF-XML
N-triples
Linked Data ingredients
1. RDF triples2. Triple-store3. SPARQL endpoint4. (Inferencing engine)
Pros
• Flexible storage• Flexible querying• Evolution of data• Standard format and interface• Linking to the web of data
Cons
• Too much choice!• New• Different
Case study: Dorling Kindersley Eyewitness Travel Guides
Case study: Dorling Kindersley Eyewitness Travel Guides
Case study: Science Museum Connections
Problem: disparate data silos
Solution: convert everything to RDF
• collections data (RDBMS)• Image data (RDBMS)• Babbage archive (API)• CMS content (workflow 'hook')
Conclusions
• + Excitingly modern• + Interchangeable• + Powerful• - New• - Different