[tdwg-content] Public Review of Chronometric Age Extension to

Tue Nov 24 12:21:22 UTC 2020

I wanted to note that the Darwin Core RDF Guide recommends in a somewhat indirect way an ontology based on the International Commission on Stratigraphy. The relevant links are:

Section of DwC RDF Guide describing use of dwciri:earliestGeochronologicalEra and dwciri:latestGeochronologicalEra: https://dwc.tdwg.org/rdf/#276-chronostratographic-geological-timescale-descriptors-normative

RDF Guide Section 3.6 describing use of those terms https://dwc.tdwg.org/rdf/#36-dwciri-terms-having-local-names-that-dont-correspond-to-terms-in-the-dwc-darwin-core-namespace-normative

linked ancillary page with list of recommended well-known value IRIs (no official status) https://github.com/tdwg/rdf/blob/master/RecommendedIRISources.md

Link to Turtle version of the ICS ontology (2018 version) as given in the previous page: https://vocabs.ands.org.au/registry/api/resource/downloads/939/isc2018-1.ttl

One of the annoying things about these ICS ontologies is that the base IRI changes over time, making the potential controlled values unstable. I don't know how these previously "recommended" IRIs compare to the ontology that Simon mentioned, but I wanted to mention this for the record. To my knowledge, I don't think that dwciri:earliestGeochronologicalEra and dwciri:latestGeochronologicalEra have been widely used. Those terms were created for completeness along with all of the other dwciri: terms, but perhaps they need to be reconsidered by the experts along with this proposal.

Steve

--
Steven J. Baskauf, Ph.D.
Data Science and Data Curation Specialist
Jean & Alexander Heard Libraries, Vanderbilt University
Nashville, TN 37235, USA

Office: Eskind Biomedical Library, EMB 111
Phone: (615) 343-4582
https://my.vanderbilt.edu/baskauf/

From: tdwg-content <tdwg-content-bounces at lists.tdwg.org> on behalf of John Wieczorek <tuco at berkeley.edu>
Reply-To: "tuco at berkeley.edu" <tuco at berkeley.edu>
Date: Sunday, November 22, 2020 at 9:58 PM
To: "Cox, Simon (L&W, Clayton)" <Simon.Cox at csiro.au>
Cc: "tdwg-content at lists.tdwg.org" <tdwg-content at lists.tdwg.org>
Subject: Re: [tdwg-content] Public Review of Chronometric Age Extension to

Thanks Simon. This looks like it will be of great interest for alignment with and any further work in the GeologicalContext Class (https://dwc.tdwg.org/terms/#geologicalcontext<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdwc.tdwg.org%2Fterms%2F%23geologicalcontext&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227694129%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Edf%2FO8kKcgehApJGqN97dRK1UFPTsWNmDz5%2BXVIsBxY%3D&reserved=0>) of Darwin Core. The Earth Sciences and Palaeontology Interest Group should take note.

On Sun, Nov 22, 2020 at 9:32 PM Cox, Simon (L&W, Clayton) <Simon.Cox at csiro.au> wrote:
FYI there is an ontology for the geological timescale here https://github.com/CGI-IUGS/timescale-ont<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FCGI-IUGS%2Ftimescale-ont&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227704119%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=NMeR8gteOI5E2Od%2BKc5kupIPlB9UAYZDEVmT9g8xMsM%3D&reserved=0> and a dataset representing the international chronostratigraphic chart nearby https://github.com/CGI-IUGS/timescale-data<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FCGI-IUGS%2Ftimescale-data&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227704119%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=JQ14%2B0jTT3Ut1E3E%2FHtaoiOMGUMpfc8nM%2Fb7hYYtaaU%3D&reserved=0>
The International Commission on Stratigraphy are planning to adopt this as the point-of-truth for the standard geological timescale.

This is possibly of overlapping scope with the DWC requirements.

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Message: 1
Date: Sat, 21 Nov 2020 14:51:26 -0300
From: John Wieczorek <tuco at berkeley.edu<mailto:tuco at berkeley.edu>>
To: TDWG Content Mailing List <tdwg-content at lists.tdwg.org<mailto:tdwg-content at lists.tdwg.org>>
Subject: [tdwg-content] Public Review of Chronometric Age Extension to
        Darwin Core open
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        <CAHwKGGeaOoovkWPYd8+Ug=knHVJqcKOeZkBNhUd42VomZ85Bpg at mail.gmail.com<mailto:knHVJqcKOeZkBNhUd42VomZ85Bpg at mail.gmail.com>>
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The Darwin Core Maintenance Interest Group (
https://www.tdwg.org/community/dwc/<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tdwg.org%2Fcommunity%2Fdwc%2F&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227714117%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ORXPLaYVTJZ92Wpiu2MT6XErxLGd6juTSuT374HGpD4%3D&reserved=0>) is pleased to announce that the ChronometricAge Task Group (https://www.tdwg.org/community/esp/chrono/<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tdwg.org%2Fcommunity%2Fesp%2Fchrono%2F&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227714117%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=vorVT6rAtEOxc8tO1BoKG%2F7Zz6NtMQPULDKacaOBR%2Bs%3D&reserved=0>) of the Earth Sciences and Paleontology Interest Group (
https://www.tdwg.org/community/esp/<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.tdwg.org%2Fcommunity%2Fesp%2F&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227724111%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=yLjAc39Fcz9DLoIv8pjnfXoOfs2kZlc%2FGpsfivRrRgA%3D&reserved=0>) has prepared a vocabulary enhancement for Darwin Core consisting of a ChronometricAge class and its properties. A minimum 30-day period for public comment is now open (2020-11-21). To view the proposal and/or engage in the review, visit https://github.com/tdwg/chrono/issues/15<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Ftdwg%2Fchrono%2Fissues%2F15&data=04%7C01%7Csteve.baskauf%40vanderbilt.edu%7Cb10cf582ed1947b0e35408d88f64108b%7Cba5a7f39e3be4ab3b45067fa80faecad%7C0%7C0%7C637417007227724111%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=As%2FG2p9ozz6YFhjKQGDOJOFmfr5OOex8hMKLZVQJmyc%3D&reserved=0>, which will provide further guidance and the means to comment. If you are unable to create GitHub comments, you can reply to this message or send comments to the ChronometricAge Task Group convenor at gtuco.btuco at gmail.com<mailto:gtuco.btuco at gmail.com>. In the absence of objections or substantive amendment requests, the review will close on 2020-12-21.

John Wieczorek

Darwin Core Maintenance Interest Group convenor on behalf of the Task Group
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