[Geodata] Fwd: [esi] Persistent Identifiers for Earth Science Provenance (fwd)

[Allan Doyle]

Could be interesting...

Begin forwarded message:

> From: Joe Hourcle <oneiros at grace.nascom.nasa.gov>
> Date: February 23, 2009 12:25:46 PM EST
> To: esi at mit.edu
> Subject: [esi] Persistent Identifiers for Earth Science Provenance  
> (fwd)
> Sender: esi-bounces at MIT.EDU
>
>
>
> Applogies in advance for the cross-posting.
>
> One of the other programmers in my department forwarded me the  
> following message about an upcoming webcast this Wednesday from UMBC  
> that might be of interest to this community.
>
> See below, or follow the URL for more details.  (I've converted the  
> HTML email to plain text, so you'll have to visit the site to follow  
> references)
>
> -----
> Joe Hourcle
> Solar Data Analysis Center
> Goddard Space Flight Center
>
>
> ---------- Forwarded message ----------
> Date: Mon, 23 Feb 2009 12:17:32 +0000
> Subject: Persistent Identifiers for Earth Science Provenance
>
> Link:
> http://ebiquity.umbc.edu/blogger/2009/02/23/persistent-identifiers-for-earth-science-provenance/
>
> Dunno if this is relevant, but thought I'd send it your way just in
> case :)
>
> -Keith
>
> Sent to you by Keith via Google Reader: Persistent Identifiers for
> Earth Science Provenance via UMBC ebiquity by Tim Finin on 2/22/09
> In this week's ebiquity meeting (10:00am EDT Wed 2/25, ITE 325), Curt
> Tilmes will talk on 'Persistent Identifiers for Earth Science
> Provenance'.
>
> Historically, published scientific research could include a  
> description
> of an experiment that an independent party could use to reproduce the
> experiment with the same results, confirming the research. Modern
> research in the field of earth science often depends on terrabytes of
> data captured from remote sensing instruments, complex computer
> algorithms that undergo numerous changes over the year. A single  
> result
> could be the result of the work of hundreds of individuals over
> decades. The representation of the measurements, algorithms and all  
> the
> other artifacts of experimentation leading to that result becomes a
> daunting problem. A key to handling this representation is a good
> scheme for persisent identifiers.
>
> Persistent identifiers seem like a simple problem. Just make a good  
> URL
> and don't change it [1]. This sounds good in theory, but is difficult
> to maintain forever. Many other schemes have been proposed to attack
> various aspects of the problem of identification, with various
> advantages and disadvantages. I will introduce this topic and briefly
> describe some of the concerns with using identifiers specifically in
> the context described above, and some of the characteristics of  
> various
> identifier schemes.
>
> The presentation will be streamed live via ustream.tv
>
> References and some identifier schemes
>
> [1] Cool URIs Don't Change
> [2] Naming and Addressing: URIs, URLs, …
> [3] Object Identifer (OID)
> [4] The Digital Object Identifier (DOI) System
> [5] Persistent Uniform Resource Locator
> [6] A Universally Unique IDentifier (UUID) URN Namespace
> [7] XRI (Extensible Resource Identifier)
>
> Things you can do from here:
> - Subscribe to UMBC ebiquity using Google Reader
> - Get started using Google Reader to easily keep up with all your
> favorite sites_______________________________________________
> esi mailing list
> esi at mit.edu
> http://mailman.mit.edu/mailman/listinfo/esi

-- 
Allan Doyle
Director of Technology
MIT Museum | http://web.mit.edu/museum | +1.617.452.2111



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