Thanks Gregor! I must say I really like this idea for our short term solution! Will discuss this with my team.

Best,

Gabi

Von: Gregor Hagedorn [mailto:gregor.hagedorn@mfn-berlin.de]
Gesendet: Dienstag, 6. Mai 2014 13:57
An: Dröge, Gabriele
Cc: tdwg-content@lists.tdwg.org
Betreff: Re: [tdwg-content] delimiter characters for concatenated IDs

On the original question: my preference when creating an identifier for the triplet would be to be transparent, and create the identifer with the dwc terms embedded,

i.e. use

institutionCode=BGBM&collectionCode=xxx&catalogNumber=289742874239872

as the "self-coined" identifier string. While "&" may not be unique, the delimiter

&collectionCode=

is very likely so. And it is transparent, self-documenting what is going on (and I do not mean that people need to parse it - which they could in either case)

Gregor

On 5 May 2014 15:24, "Dröge, Gabriele" <g.droege@bgbm.org> wrote:

Hi everyone,

I guess there might have been some discussions about proper delimiter characters in the past that I have missed.

In several projects, first of all in GGBN (Global Genome Biodiversity Network, http://www.ggbn.org), there is a need for making a decision now. We need to reference between different records and databases and within Darwin Core we want to use the relatedResourceID to do so.

During our GGBN workshop at TDWG last year we agreed on concatenating the traditional triple ID (Catalogue Number, Collection Code, Institution Code) and add further parameters if required too (e.g. GUID, access point). We have checked those parameters and can definitely not use a single character as delimiter.

So my question to you is, if there are already some suggestions on using two characters together as delimiters. It would be great if we could find a solution more than one community could agree on.

Otherwise I would like to open the discussion and suggest "\\", "||", "\|", "§|", "§§", or "\§".

Best wishes,

Gabi

-----------------------------------------------------------------

Gabriele Droege

Coordinator - DNA Bank Network

Global Genome Biodiversity Network (GGBN)

Berlin-Dahlem DNA Bank

Women's Officer ZE BGBM

Botanic Garden and Botanical Museum Berlin-Dahlem

Freie Universität Berlin

Koenigin-Luise-Str. 6-8

14195 Berlin

Germany

+49 30 838 50 139

www.dnabank-network.org

www.ggbn.org

www.bgbm.org

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Dr. Gregor Hagedorn
Head of Digital World and Information Science
Museum für Naturkunde Berlin
Leibniz-Institut für Evolutions- und Biodiversitätsforschung
Invalidenstrasse 43, 10115 Berlin
+49 (0)30 2093 8576 (work)
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http://linkedin.com/in/gregorhagedorn

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