Cogapp Open Studios 2012 - Adventures with Linked Data
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Transcript of Cogapp Open Studios 2012 - Adventures with Linked Data
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