<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>Hi Gabi,</div><div><br></div>It’s been raised before, but I’d also like to discourage anyone assembling record identifiers algorithmically.<div><br></div><div>Should a collection code change in time then one of 2 things happen, neither of which are desirable:</div><div> a) the record ID changes and all links and caches are broken</div><div> b) the record ID stays the same, but is confusing to any observer as it contradicts the record content</div><div><br></div><div>We see this happen very regularly as GBIF index datasets, and it results in the kind of blogs Rod offers regularly. </div><div>I would encourage using well curated primary keys, and then offering search services such as <a href="http://gabi.de/specimen?catalogNumber=XXX&collecctionCode=YYY">http://gabi.de/specimen?catalogNumber=XXX&collecctionCode=YYY</a> to aid discovery.</div><div><br></div><div>Cheers,</div><div>Tim</div><div><br></div><div><div><div>On 06 May 2014, at 15:45, Dröge, Gabriele <<a href="mailto:g.droege@BGBM.ORG">g.droege@BGBM.ORG</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="DE" link="blue" vlink="purple" style="font-family: ArialMT; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Thanks Gregor! I must say I really like this idea for our short term solution! Will discuss this with my team.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Best,<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Gabi<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 10pt; font-family: Tahoma, sans-serif;">Von:</span></b><span style="font-size: 10pt; font-family: Tahoma, sans-serif;"><span class="Apple-converted-space"> </span>Gregor Hagedorn [<a href="mailto:gregor.hagedorn@mfn-berlin.de" style="color: purple; text-decoration: underline;">mailto:gregor.hagedorn@mfn-berlin.de</a>]<span class="Apple-converted-space"> </span><br><b>Gesendet:</b><span class="Apple-converted-space"> </span>Dienstag, 6. Mai 2014 13:57<br><b>An:</b><span class="Apple-converted-space"> </span>Dröge, Gabriele<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:tdwg-content@lists.tdwg.org" style="color: purple; text-decoration: underline;">tdwg-content@lists.tdwg.org</a><br><b>Betreff:</b><span class="Apple-converted-space"> </span>Re: [tdwg-content] delimiter characters for concatenated IDs<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">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, <o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">i.e. use <o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">institutionCode=BGBM&collectionCode=xxx&catalogNumber=289742874239872<o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">as the "self-coined" identifier string. While "&" may not be unique, the delimiter <o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">&collectionCode=<o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">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)<o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Gregor<o:p></o:p></div></div></div><div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></p><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">On 5 May 2014 15:24, "Dröge, Gabriele" <<a href="mailto:g.droege@bgbm.org" target="_blank" style="color: purple; text-decoration: underline;">g.droege@bgbm.org</a>> wrote:<o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Hi everyone,<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"> <o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">I guess there might have been some discussions about proper delimiter characters in the past that I have missed.</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">In several projects, first of all in GGBN (Global Genome Biodiversity Network,<span class="Apple-converted-space"> </span><a href="http://www.ggbn.org/" target="_blank" style="color: purple; text-decoration: underline;">http://www.ggbn.org</a>), 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.</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">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.</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">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.</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Otherwise I would like to open the discussion and suggest "\\", "||", "\|", "§|", "§§", or "\§".</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Best wishes,</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Gabi</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">-----------------------------------------------------------------</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Gabriele Droege</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Coordinator - DNA Bank Network</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Global Genome Biodiversity Network (GGBN)</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Berlin-Dahlem DNA Bank</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US">Women's Officer ZE BGBM</span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"> </span><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Botanic Garden and Botanical Museum Berlin-Dahlem<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Freie Universität Berlin<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Koenigin-Luise-Str. 6-8<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">14195 Berlin<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Germany<o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"> <o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><a href="tel:%2B49%2030%20838%2050%20139" target="_blank" style="color: purple; text-decoration: underline;">+49 30 838 50 139</a><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"> <o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><a href="http://www.dnabank-network.org/" target="_blank" style="color: purple; text-decoration: underline;">www.dnabank-network.org</a><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><a href="http://www.ggbn.org/" target="_blank" style="color: purple; text-decoration: underline;">www.ggbn.org</a><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span lang="EN-US"><a href="http://www.bgbm.org/" target="_blank" style="color: purple; text-decoration: underline;">www.bgbm.org</a></span><o:p></o:p></div></div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><br>_______________________________________________<br>tdwg-content mailing list<br><a href="mailto:tdwg-content@lists.tdwg.org" style="color: purple; text-decoration: underline;">tdwg-content@lists.tdwg.org</a><br><a href="http://lists.tdwg.org/mailman/listinfo/tdwg-content" target="_blank" style="color: purple; text-decoration: underline;">http://lists.tdwg.org/mailman/listinfo/tdwg-content</a><o:p></o:p></p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><br><br clear="all"><o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">--<o:p></o:p></div><div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);">---------------------------</span><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><o:p></o:p></span></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">Dr. Gregor Hagedorn<br>Head of Digital World and Information Science<br>Museum für Naturkunde Berlin<br>Leibniz-Institut für Evolutions- und Biodiversitätsforschung<br>Invalidenstrasse 43, 10115 Berlin<span class="Apple-converted-space"> </span><br>+49 (0)30 2093 8576 (work)<br>+49-(0)30-831 5785 (private)<br><a href="mailto:gregor.hagedorn@mfn-berlin.de" target="_blank" style="color: purple; text-decoration: underline;">gregor.hagedorn@mfn-berlin.de</a><br><a href="http://www.naturkundemuseum-berlin.de/" target="_blank" style="color: purple; text-decoration: underline;">http://www.naturkundemuseum-berlin.de</a><br><a href="http://linkedin.com/in/gregorhagedorn" target="_blank" style="color: purple; text-decoration: underline;">http://linkedin.com/in/gregorhagedorn</a><br><br>This communication, together with any attachments, is intended only for the person(s) to whom it is addressed. Redistributing or publishing it without permission may be a violation of copyright or privacy rights.<o:p></o:p></div></div></div></div>_______________________________________________<br>tdwg-content mailing list<br><a href="mailto:tdwg-content@lists.tdwg.org" style="color: purple; text-decoration: underline;">tdwg-content@lists.tdwg.org</a><br><a href="http://lists.tdwg.org/mailman/listinfo/tdwg-content" style="color: purple; text-decoration: underline;">http://lists.tdwg.org/mailman/listinfo/tdwg-content</a></div></blockquote></div><br></div></body></html>