<meta http-equiv="Content-Type" content="text/html; charset=utf-8"><div dir="ltr">The starting point is the ISO standard<div><a href="https://www.iso.org/standard/41445.html">https://www.iso.org/standard/41445.html</a><br></div><div>from which the other OGC standards are derived from</div><div><a href="https://www.ogc.org/standards/movingfeatures">https://www.ogc.org/standards/movingfeatures</a><br></div><div><br></div><div>After our implementation of these standards in MobilityDB we found out several issues and potential improvements that we are currently discussing within the OGC SWG. In particular, </div><div>* An extension of the WKB format is needed for an efficient data exchange between applications. This is required, e.g., in a distributed Cloud environment where each node has only a subset of the dataset. Performing distributed joins requires that data be exchanged between nodes (a.k.a. reshuffling). This has been presented in the following presentation</div><div><a href="https://docs.mobilitydb.com/pub/WKB-OGC-2021-June-slides.pdf">https://docs.mobilitydb.com/pub/WKB-OGC-2021-June-slides.pdf</a><br></div><div>* The encoding standards are not semantically equivalent, we discussed that in the following paper<br></div><div><a href="https://arxiv.org/abs/2006.16900">https://arxiv.org/abs/2006.16900</a><br></div><div><br></div><div>Regards</div><div><br></div><div>Esteban</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 24, 2021 at 4:26 PM Paragon Corporation <<a href="mailto:lr@pcorp.us">lr@pcorp.us</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><a href="https://www.ogc.org/projects/groups/movfeatswg" target="_blank">https://www.ogc.org/projects/groups/movfeatswg</a><br><div><br></div><div>This one I believe.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 24, 2021 at 10:19 AM Vicky Vergara <<a href="mailto:vicky@georepublic.de" target="_blank">vicky@georepublic.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hello all</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Can you point to me in the right direction to read the OGC standard that MobilityDB follows.<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Thanks Vicky<br clear="all"></div><br>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><pre>Georepublic UG (haftungsbeschränkt)
Salzmannstraße 44, 
81739 München, Germany

Vicky Vergara
Operations Research

eMail: vicky@<a href="http://georepublic.de" target="_blank">georepublic.de</a>
Web: <a href="https://georepublic.info" target="_blank">https://georepublic.info</a>

Tel: +49 (089) 4161 7698-1
Fax: +49 (089) 4161 7698-9

Commercial register: Amtsgericht München, HRB 181428
CEO: Daniel Kastl

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