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A Distributed Metadata Architecture Tony Hammond, Nature Handle System Workshop 17 June 2008.

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Presentation on theme: "A Distributed Metadata Architecture Tony Hammond, Nature Handle System Workshop 17 June 2008."— Presentation transcript:

1 A Distributed Metadata Architecture Tony Hammond, Nature Handle System Workshop 17 June 2008

2 Scenario

3 Puzzle

4 Solved

5 Handle

6 Services

7

8 OpenHandle Put Handle on the Web – Access via a Web Service (:2641 :80) Make Handle an Easy Read – Expose Values as Markup ( C type : URL)

9 OpenHandle 1st Announce (Service) – Mar 26, 03 2nd Announce (Service) – Feb 5, 08 Google Code (Project) – Mar 7, 08

10 OpenHandle

11 RDF/XML - Full Form JSON - Compact Form

12

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15 Hello World

16 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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23 Web Admin?

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25 XMP

26 XMP Packet

27 Metadata

28 Metadata (1/5)

29 Metadata (2/5)

30 Metadata (3/5)

31 Metadata (4/5)

32 Metadata (5/5)

33 XMP Inspector

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44 Architecture

45 Singles

46 Friends

47 Family

48

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50 Connection

51


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