Open APIs and the Semantic Web 2011
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SemTech Conference talk on the key trends in open APIs as well as data on semantic APIs in 2011. API market growth, changes from SOAP to REST and XML to JSON, and new API business models. Semantic ...

SemTech Conference talk on the key trends in open APIs as well as data on semantic APIs in 2011. API market growth, changes from SOAP to REST and XML to JSON, and new API business models. Semantic portion looks at adoption of RDF/RDFa in open APIs.

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Open APIs and the Semantic Web 2011 Presentation Transcript

  • 1. Open APIs & the Semantic Web: State of the Market John Musser, ProgrammableWeb @johnmusser SemTech 2011
  • 2. Introduction
    • ProgrammableWeb.com
    • API & mashup directory
    • News, community, dev tools
    • 3,300 Web APIs
    • 5,800 mashups
  • 3. Open APIs: State of the Market
    • The big picture
    • The business of open APIs
    • Design and technology
    • Trends
  • 4. Open APIs: Why bother?
    • Make money
      • 60% of all listings on eBay.com added via their APIs
    • Save money
      • SmugMug saves > $500K/year with Amazon S3 Storage
    • Build brand
      • Google Maps 300% growth vs 20% MapQuest
    • Move to the cloud
      • Over 50% of all transactions via their API
    • Go anywhere
      • Netflix now available on over 200 devices
  • 5. Open APIs: Growth is accelerating Total APIs over time
  • 6. Open APIs: Growth is accelerating Total APIs over time
  • 7. Open APIs: Growth is accelerating Total APIs over time
  • 8. Open APIs: Growth is accelerating Total APIs over time
  • 9. APIs: some very competitive markets Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011 Number of APIs, Top 15 Categories
  • 10. Semantic APIs on the open web
  • 11. Where’s the semantic web in here? Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
  • 12. Open APIs: State of the Market
    • The big picture
    • The business of open APIs
    • Design and technology
    • Trends
  • 13. What makes an open API successful?
    • The underlying service
        • Or, a good API on a bad service is lipstick on a pig
    • A plan and a business model
    • Simple, open, easily adopted
    • Providing choices
    • Good developer support
  • 14. API business models Best practice: Bake your business model into your API Who What How Amazon Associates Retail Affiliate Model Amazon S3 Infrastructure Pay-as-you-go eBay Auctions APIs for listings Exact Target Bulk Email Tiered pricing Rhapsody Music Partnerships Salesforce.com CRM / SFA SaaS per-seat licenses
  • 15. APIs as biz-dev enabler (aka Bizdev 2.0) “ Decentralized business development” -Toni Schneider Consumer/Hacker Business/Partner Flickr API
  • 16. API Billionaires Club, 2011 edition 5 billion API calls / day (April 2010) 1.6 billion API-delivered stories / month (October 2010) 5 billion API calls / day (October 2009) 8 billion API calls / month (Q3 2009) 3 billion API calls / month (March 2009) 13 billion API calls / day (May 2011) Over 260 billion objects stored in S3 (January 2011) 10 billion API calls / month (January 2011)
  • 17. Open APIs: State of the Market
    • The big picture
    • The business of open APIs
    • Design and technology
    • Trends
  • 18. The big technical debates
    • Protocols and styles
        • REST vs. SOAP vs. …
    • Data formats
        • XML vs. JSON vs. …
    • Standards
        • So many to choose from…
  • 19. REST vs. SOAP: Simplicity wins again Distribution of API protocols and styles Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
  • 20. REST vs. SOAP: Simplicity wins again Distribution of API protocols and styles Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
  • 21. Data formats: lots of choices XML, JSON, RSS, Atom, YAML, iCalendar, CSV, Serialized PHP, HTML, PNG, GeoRSS, vCard, Text, RDF, OPML, MediaRSS, VML, TV-Anytime, hCalendar, FOAF, XSPF, SQL, GML, CDF
  • 22. JSON Rising: 55% of all new APIs support JSON Percentage of new APIs with JSON support Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
  • 23. 20% of all new APIs support only JSON Percentage of new APIs with only JSON support Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
  • 24. 1 in every 5 new APIs says “ goodbye XML ” Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011 Percentage of APIs with XML support
  • 25. But only 1% of APIs offer RDF support Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
  • 26. Semantic web service discovery Based on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011
    • Long history of research on ‘discovery’
    • Often WS-* related
      • Ex: SAWSDL
      • Now outrun by rise of REST?
    • What can PW do in this regard?
      • LOD for APIs?
      • RDFa per API?
  • 27. Open APIs: State of the Market
    • The big picture
    • The business of open APIs
    • Design and technology
    • Trends
  • 28. API as Product When an API is not an extension of your product, but it is your product
  • 29. Screw the web site, let’s focus on the API Qwerly shutters profile pages in favor of lucrative ‘DNS for people’ API TechCrunch, May 5, 2011
  • 30. API business models, circa 2005
  • 31. API business models 2011
  • 32. Invisible Mashups Classic mashup HousingMaps.com Invisible mashup Ooyala.com EC2 + S3 + SQS +
  • 33. Invisible APIs + APIs are hiding in plain sight, if you know where to look
  • 34. Invisible APIs, the Steve Jobs edition Twitter Integrated right into iOS 5
  • 35. Have we seen this before? 1995 Why do we need a Web site? 2000 2005 2010 Of course we have a Web site Of course we have an API Why do we need an API?
  • 36. thank you Questions, ideas, comments? Email me: john@programmableweb.com Twitter: @programmableweb @johnmusser