'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.

1. Adventures with Linked Data
Tristan Roddis, Ben Rubinstein
Cogapp Open Studios, 2012

2. Agenda
• Whirlwind tour of linked data
• Ingredients to build your own
• Pros
• Cons
• Case studies
• Questions

3. A brief history of data
• Relational
• Hierarchical
• Graph

4. XML example

5. Relational example

6. Linked data example

7. Anatomy of an RDF triple
foaf:firstName
tree:tristan “Tristan”
• subject predicate object
• <http://example.org/family-
tree#tristan> <http://xmlns.com/foaf/0.1/first
Name> "Tristan".

8. TTL

9. RDF-XML

10. N-triples

11. Linked Data ingredients
1. RDF triples
2. Triple-store
3. SPARQL endpoint
4. (Inferencing engine)

12. Pros
• Flexible storage
• Flexible querying
• Evolution of data
• Standard format and interface
• Linking to the web of data

18. Cons
• Too much choice!
• New
• Different

19. Case study: Dorling Kindersley Eyewitness Travel Guides
Case study: Dorling Kindersley
Eyewitness Travel Guides

41. Case study: Science Museum
Connections

42. Problem: disparate data silos

48. Solution: convert everything to
RDF
• collections data (RDBMS)
• Image data (RDBMS)
• Babbage archive (API)
• CMS content (workflow 'hook')

53. Conclusions
• + Excitingly modern
• + Interchangeable
• + Powerful
• - New
• - Different