Blog about SWAT4HCLS

Author: egonw

_posts/2026-03-22-swat4hcls-2026-amsterdam-this-week.markdown

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+---
+layout: post
+title:  "SWAT4HCLS 2026 Amsterdam this week"
+date:   2026-03-22
+doi: 10.59350/mztnx-y1770
+tags: rdf sparql swat4ls wikidata
+#comments:
+#  host: social.edu.nl
+#  username: egonw
+#  id: ...
+---
+
+Tomorrow, [SWAT4HCLS 2026](https://www.swat4ls.org/workshops/amsterdam2026/) will start, again in Amsterdam.
+The first SWAT4LS I attended [was also in Amsterdam](https://chem-bla-ics.linkedchemistry.info/2009/11/21/swat4ls-linking-open-drug-data-to.html), and the second meeting in Amsterdam I was [also there](https://chem-bla-ics.linkedchemistry.info/2016/12/18/my-swat4ls-poster-about-enanomapper.html). And I was in [Cambridge](https://www.swat4ls.org/workshops/cambridge2015/index.php) (see
+[this post](https://chem-bla-ics.blogspot.com/2015/12/swat4ls-in-cambridge.html)),
+[Antwerp](https://www.swat4ls.org/workshops/antwerp2018/)  (no post), and at least to one of the two
+[Leiden](https://www.swat4ls.org/workshops/leiden2024/) meetings (also no posts, it seems).
+
+I am looking forward to meet old friends, new friends (some whom I never met in person), and
+recent collaborators (that I never met in person).
+For those who will not be in Amsterdam, you can follow the meeting on social media with
+the [hashtag #swat4hcls](https://hashtags-hub.toolforge.org/swat4hcls). And there is also
+[this BioHackrXiv Fediwall](https://fediwall.biohackrxiv.org/), for those in the
+[fediverse](https://en.wikipedia.org/wiki/Fediverse).
+
+### Scholia demo
+
+I will give a demo to update people on the work in the [Scholia](https://github.com/wdscholia/scholia) project with
+Daniel Mietchen, Peter Patel-Schneider, Konrad Linden, Johannes Kalmbach,
+Lars Willighagen, Wolfgang Fahl, and Hannah Bast (also keynote in Amsterdam)
+to [update the SPARQL queries](https://chem-bla-ics.linkedchemistry.info/2026/02/28/rescuing-scholia-3-we-did-it.html)
+we use to visualize data in [Wikidata](https://www.wikidata.org/) to SPARQL 1.1 so that it can run on
+[Qlever](https://qlever.dev/).
+The abstract can be [found in Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Scholia_2026_Compliance_with_SPARQL_1.1.pdf).
+
+This was the outcome of many years figuring how to ensure Scholia could remain working. The
+[Wikidata RDF graph split](https://en.wikipedia.org/wiki/Wikipedia:Wikipedia_Signpost/2026-02-17/Technology_report)
+has given us many headaches, so many that just before christmas it became it could
+be possible to survive the split, I was so happy, I realize I want to share this news. So, we teamed
+up and wrote this demonstration contribution abstract. Thanks to everyone who made this happen!
+Just to be clear, we are not done yet. The system is not running outside the Wikimedia Foundation
+platforms.
+
+One of the reviewer comments requested [a Scholia page for the meeting](https://qlever.scholia.wiki/event/Q138033585).
+It has not been updated for the accepted speakers, but you can look at [pages for past meetings](https://qlever.scholia.wiki/event-series/Q56846035)
+to get an idea what you will find.
+
+### SWAT4HCLS Biohackathon 2026
+
+There will also be [a biohackathon again](https://www.swat4ls.org/workshops/amsterdam2026/swat4hcls-biohackathon-2026/),
+of course, with the [option for BioHackRxiv reports](https://index.biohackrxiv.org/tag/SWAT4HCLS26).
+There are already [several pitches](https://www.swat4ls.org/workshops/amsterdam2026/swat4hcls-biohackathon-2026/),
+including one that I submitted about Scholia.