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Handle 08

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Presentation to the Handle System Workshop hosted in Brussels on June 17, 2008.

Presentation to the Handle System Workshop hosted in Brussels on June 17, 2008.

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Handle 08 Handle 08 Presentation Transcript

  • A Distributed Metadata Architecture Tony Hammond, Nature Handle System Workshop 17 June 2008
  • Scenario
  • Puzzle
  • Solved
  • Handle
  • Services
  •  
  • OpenHandle
    • Put Handle on the Web
    • – Access via a Web Service
    • (:2641  :80)
    • Make Handle an Easy Read
    • – Expose Values as Markup
    • (55 52 4C  “type” : “URL”)
  • OpenHandle
    • 1st Announce (Service) – Mar 26, ’03
    • 2nd Announce (Service) – Feb 5, ’08
    • Google Code (Project) – Mar 7, ’08
  • OpenHandle
  • RDF/XML - ‘Full’ Form JSON - ‘Compact’ Form
  •  
  •  
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  • ‘ Hello World’
  • JavaScript
    • var h = { … };
    • var hv = h[“handleValues”];
    • var s = “”;
    • for (var i = 0; i < hv.length; i++) {
    • var v = hv[i];
    • s += “ index = “ + v[“index”];
    • s += “ type = “ + v[“type”];
    • s += “ data = “ + v[“data”];
    • }
  •  
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  • Web Admin?
  •  
  • XMP
  • XMP Packet
  • Metadata
  • Metadata (1/5)
  • Metadata (2/5)
  • Metadata (3/5)
  • Metadata (4/5)
  • Metadata (5/5)
  • XMP Inspector
  •  
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  • Architecture
  • Singles
  • Friends
  • Family
  •  
  •  
  • Connection
  • http://www.slideshare.net/tonyh/handle-08/ http://code.google.com/p/openhandle/