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Semantic Technologies: Which Way Now? – UKOLN Response


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UKOLN response at Semantic Technologies: Which Way Now? at CETIS Semantic Web Working Group, University of Strathclyde, Glasgow, UK. 10th December 2009

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Semantic Technologies: Which Way Now? – UKOLN Response

  1. 1. UKOLN is supported by: Semantic Technologies: Which Way Now? – UKOLN Response 10 th December 2009 CETIS Semantic Technologies Working Group, Glasgow, Scotland Adrian Stevenson
  2. 2. <ul><li>REPUK </li></ul><ul><ul><li>Aggregation of scholarly resources </li></ul></ul><ul><li>Linked Data </li></ul><ul><ul><li>HTTP URIs, REST, ROA </li></ul></ul><ul><ul><li>Implications for SOA </li></ul></ul><ul><ul><li>“ If your mindset is SOA, and putting up an API, then what falls out of this mentality is a need to document the API. This is inherently un-RESTful” From interview with Andy Powell, 16 th Nov 2009 </li></ul></ul><ul><li>Opendata Manchester </li></ul>
  3. 3. <ul><li>Can we convince IT Managers, VC etc. it’s worth it? </li></ul><ul><ul><li>Realistic expectations </li></ul></ul><ul><ul><li>“ ..the people sort of in charge of the kind of data thing knew so little about their data structures” </li></ul></ul><ul><ul><li>“ I’ve had a whole bunch of meetings to get one dataset, been fobbed off, and literally just never get anywhere” Tom Steinberg, Director of MySociety (from Nodalities issue 8) </li></ul></ul><ul><ul><li>prove a simple tangible benefit </li></ul></ul>
  4. 4. <ul><li>How raw is raw? </li></ul><ul><ul><li>txt raw, csv raw, rdf raw? </li></ul></ul><ul><li>Commitment, sustainability </li></ul><ul><li>What’s the payoff for O’Reilly, BBC etc of using Linked Data? </li></ul><ul><li>Why didn’t it work the first time? </li></ul><ul><ul><li>What’s different now? </li></ul></ul><ul><li>Need to work out what Linked Data does that other things don’t </li></ul>
  5. 5. <ul><li>What about the Semantic Web? </li></ul><ul><ul><li>Inferencing etc. </li></ul></ul>
  6. 6. Some other issues <ul><li>To RDF or not to RDF </li></ul><ul><li>Usability </li></ul><ul><li>Sustainability </li></ul><ul><li>Provenance </li></ul><ul><li>Licensing </li></ul><ul><li>Reliability </li></ul>
  7. 13. Sustainability <ul><li>Ed Summers at the Library of Congress created </li></ul><ul><li>Linked Data interface for LOC subject headings </li></ul><ul><li>People started using it </li></ul>
  8. 14. Library of Congress Subject Headings
  9. 16. Data Licensing <ul><li>RDF Book Mashup </li></ul><ul><li>makes information about books, their authors, reviews, and online bookstores available on the Semantic Web </li></ul><ul><li>Uses Amazon Web Services but contravenes terms and conditions </li></ul>
  10. 17. Provenance <ul><li>OK if data ‘watermarked’ </li></ul><ul><li>But can often be a problem </li></ul><ul><li>VOID can help (apparently!) </li></ul>
  11. 18. Provenance <ul><li>OK if data ‘watermarked’ </li></ul><ul><li>But can often be a problem </li></ul><ul><li>VOID can help (apparently!) </li></ul>
  12. 19. CC Attribution <ul><li>Some sections of this presentation adapted from: </li></ul><ul><ul><li>An Introduction to Linked Data , by Tom Heath </li></ul></ul><ul><ul><li>The Semantic Web – An Introduction by Owen Stephens </li></ul></ul><ul><ul><li>Using Linked Data as a Learning Resource Recommendation System by Chris Clarke </li></ul></ul><ul><li>This presentation available under creative commons Noncommercial-Share Alike </li></ul>