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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rob,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The question/debate about “best” GUID is a complex one that appears unending after about 7 years and running. Is there any aspect of this question that does not have two (or three) sides and proponents (some strong and vocal) on both sides? We still don’t have community plurality on any “best” approach, much less a majority. We have a few voices, but we need a chorus.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Chuck<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> robgur@gmail.com [mailto:robgur@gmail.com] <b>On Behalf Of </b>Robert Guralnick<br><b>Sent:</b> Monday, May 05, 2014 9:23 AM<br><b>To:</b> Chuck Miller<br><b>Cc:</b> Markus Döring; Dröge, Gabriele; tdwg-content@lists.tdwg.org; John Deck; tomc@cs.uoregon.edu; Nico Cellinese<br><b>Subject:</b> Re: [tdwg-content] delimiter characters for concatenated IDs<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal> We've been examining the use (ad mis-use) of the DwC triplet, and how that propagates out of local portals and platforms into other ones. The end message from this work (and I am happy to share the manuscript and all the datasets we have compiled and examined) is that it is a _terrible_ choice for a global unique identifier. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> There are so many better choices, that don't rely on delimiters or on what is ultimately a non-globally unique, non persistent, non resolvable choice for a (permanent, resolvable, globally unique) identifier. As opposed to having this conversation, I wonder why we aren't having one about ALL the other more rational choices...<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Best, Rob<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Mon, May 5, 2014 at 8:14 AM, Chuck Miller <<a href="mailto:Chuck.Miller@mobot.org" target="_blank">Chuck.Miller@mobot.org</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Markus,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Didn’t we reach a general consensus within the last couple of years that the vertical pipe (|) was the preferred concatenation symbol?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Chuck</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a href="mailto:tdwg-content-bounces@lists.tdwg.org" target="_blank">tdwg-content-bounces@lists.tdwg.org</a> [mailto:<a href="mailto:tdwg-content-bounces@lists.tdwg.org" target="_blank">tdwg-content-bounces@lists.tdwg.org</a>] <b>On Behalf Of </b>Markus Döring<br><b>Sent:</b> Monday, May 05, 2014 8:49 AM<br><b>To:</b> "Dröge, Gabriele"<br><b>Cc:</b> <a href="mailto:tdwg-content@lists.tdwg.org" target="_blank">tdwg-content@lists.tdwg.org</a><br><b>Subject:</b> Re: [tdwg-content] delimiter characters for concatenated IDs</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi Gabi,<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>can you explain a little more what you are trying to do giving an example maybe?<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It appears to me you are creating (globally) unique identifiers on the basis of various existing fields which is fine. But when you use the identifier to create resource relations they should be considered opaque and you should not need to parse out the underlying pieces again. So in that scenario the character used to concatenate the triplet does not really matter for the end user as long as its unique and points to some existing resource, indicated by the occurrenceID in case of occurrences or the materialSampleID for samples.<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Best,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Markus<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On 05 May 2014, at 15:24, Dröge, Gabriele <<a href="mailto:g.droege@BGBM.ORG" target="_blank">g.droege@BGBM.ORG</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hi everyone,</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I guess there might have been some discussions about proper delimiter characters in the past that I have missed.</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>In several projects, first of all in GGBN (Global Genome Biodiversity Network, <a href="http://www.ggbn.org/" target="_blank"><span style='color:purple'>http://www.ggbn.org</span></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></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>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></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>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></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Otherwise I would like to open the discussion and suggest "\\", "||", "\|", "§|", "§§", or "\§".</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Best wishes,</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Gabi</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>-----------------------------------------------------------------</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Gabriele Droege</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Coordinator - DNA Bank Network</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Global Genome Biodiversity Network (GGBN)</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Berlin-Dahlem DNA Bank</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Women's Officer ZE BGBM</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Botanic Garden and Botanical Museum Berlin-Dahlem</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Freie Universität Berlin</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Koenigin-Luise-Str. 6-8</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>14195 Berlin</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Germany</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="tel:%2B49%2030%20838%2050%20139" target="_blank">+49 30 838 50 139</a></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="http://www.dnabank-network.org/" target="_blank"><span style='color:purple'>www.dnabank-network.org</span></a></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="http://www.ggbn.org/" target="_blank"><span style='color:purple'>www.ggbn.org</span></a></span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="http://www.bgbm.org/" target="_blank"><span style='color:purple'>www.bgbm.org</span></a></span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=DE style='font-size:9.0pt;font-family:"Helvetica","sans-serif"'>_______________________________________________<br>tdwg-content mailing list<br><a href="mailto:tdwg-content@lists.tdwg.org" target="_blank"><span style='color:purple'>tdwg-content@lists.tdwg.org</span></a><br><a href="http://lists.tdwg.org/mailman/listinfo/tdwg-content" target="_blank"><span style='color:purple'>http://lists.tdwg.org/mailman/listinfo/tdwg-content</span></a></span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>tdwg-content mailing list<br><a href="mailto:tdwg-content@lists.tdwg.org">tdwg-content@lists.tdwg.org</a><br><a href="http://lists.tdwg.org/mailman/listinfo/tdwg-content" target="_blank">http://lists.tdwg.org/mailman/listinfo/tdwg-content</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>