BBC JUICER API Presentation - for SeedHack 4.0 - BBC News Labs

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Paul Wilton from Ontoba demonstrates the BBC JUICER R&D APIs.

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BBC JUICER API Presentation - for SeedHack 4.0 - BBC News Labs

  1. 1. Powered by BBC Connected Studio Seedhack 4.0
  2. 2. Paul Wilton (@pwilton) Technical Architect Ontoba (@Ontoba1) www.ontoba.com
  3. 3. Juicer Data + APIs • • Approx 500k news articles – various news providers • • Concept APIs - find and lookup concepts Each article semantically annotated with DBpedia Concepts, Events and Storylines News APIs - query news via the semantic annotations – use SPARQL !
  4. 4. API Endpoints ROOT : /bbc.api.mashery.com/juicer-ld-api/ Accept : application/json Common API Query Parameters : limit = {integer} - limits number of things returned before = {yyyy-mm-dd} - restricts by article date after = {yyyy-mm-dd} - restricts by article date api_key = {your mashery key}
  5. 5. Signup for Mashery Key http://bbc.mashery.com/ Live Examples http://newshack.co.uk/tech-talks/juicer-apis/ Docs http://bbc.mashery.com/docs/read/Home
  6. 6. Concept APIs Find Concepts - OpenSearch Suggestions JSON GET /concepts/tagged?q={ text search term } Find Concepts - filtered by class GET /concepts/tagged?q={ text }&class={ ontology class } Example : GET /concepts/tagged?q=goo&class=http://dbpedia.org/ontology/Organisation GET a Concept GET /concepts?uri=http://dbpedia.org/resource/Larry_Page
  7. 7. Get Concept Occurrences ordered my most frequent first GET /concepts/occurrences?type={ type URI } Example GET /concepts/occurrences?type=http://dbpedia.org/ontology/Person &after=2013-10-01
  8. 8. Get Concept Co-Occurrences Finds concepts co-occurring with the supplied concept ordered by most frequently occurring GET /concepts/co-occurrences?concept={ source concept URI }&type={ type URI } Example GET /concepts/co-occurrences?concept=http://dbpedia.org/resource/Barack_Obama& type=http://dbpedia.org/ontology/Person&after=2013-10-01
  9. 9. Search News Articles Full Text Search for Articles: GET /search?q={ text phrase } Example GET /search?q=chemical weapons&limit=20&after=2013-09-01
  10. 10. Semantic Query for News Articles Use SPARQL grammar to find articles Exploit the DBpedia ontology GET /articles?binding=articles&where={ sparql grammar, URL encoded } Example clause, that finds articles tagged with companies in the aerospace industry: ?articles cwork:tag ?thing . ?thing a <http://dbpedia.org/ontology/Company> . ?thing <http://dbpedia.org/ontology/industry> <http://dbpedia.org/resource/Aerospace> .
  11. 11. Live Examples http://newshack.co.uk/tech-talks/juicer-apis/ Signup for Mashery Key http://bbc.mashery.com/ Find me tomorrow and ask me questions ! Paul Wilton @pwilton

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