Michael Szell
mszll@datasci.social
<p>Human-centric <a href="https://datasci.social/tags/geospatial" class="mention hashtag" rel="tag">#<span>geospatial</span></a> <a href="https://datasci.social/tags/DataScience" class="mention hashtag" rel="tag">#<span>DataScience</span></a> 🚶🚲 Sustainable <a href="https://datasci.social/tags/mobility" class="mention hashtag" rel="tag">#<span>mobility</span></a> <a href="https://datasci.social/tags/networks" class="mention hashtag" rel="tag">#<span>networks</span></a>, in <a href="https://datasci.social/tags/Copenhagen" class="mention hashtag" rel="tag">#<span>Copenhagen</span></a></p><p>Created: <a href="https://datasci.social" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">datasci.social</span><span class="invisible"></span><
Posts
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Post #4346620
This is getting ugly for France.. #worldcup
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Post #4346619
RE: https://flipping.rocks/@liesvanrompaey/116969949021008721 They all feel a bit weird, but great to see zero cars on them and many people walking or active in the public, several cycling. Will the EU take this as a vision to implement?
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Post #4346618
We went on a bike ride with #AOC https://www.youtube.com/watch?v=s1-jM1SuZR0
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Post #4346617
Why Your City Feels Built For Cars, Not People https://www.forbes.com/sites/lauriewinkless/2026/07/24/why-your-city-feels-built-for-cars-not-people/
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Post #4346616
It seems #Google #scholar has now really become #slopware. Every week I get weirder and weirder edit suggestions, this time to revert several published papers to their preprint versions.. Is #openalex the future of scientometric data/search? 🫣
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Post #4346615
Very nice new tool showing #bike routes in #Austria with lots of configurability: https://radatlas.at/ There is a family-friendly option, but there isn&#39;t more than a handful of routes suited for families with small children. In other countries you have a real network with thousands of options, see now Denmark: https://arxiv.org/abs/2604.07029 Of course Austria has *some* mountains, but it&#39;s no excuse to have so few routes there. Anyway, nice tool!
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Post #4055738
Invisible walls: how pedestrians navigate around social interactions https://arxiv.org/abs/2607.20876
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Post #4055675
It's nice to work hard on things in silence, and imagine they could become really useful someday.. https://docs.bikenetkit.org/GrowBikeNet/usage_05_custom_data_imports/ #BikeNetKit
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Post #3945000
"We believe in love" 🤢 People are so sick of this US hypocrisy.. #worldcup
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Post #3845134
Slavery is here to stay / is useful Cars are here to stay / are useful #genAI is here to stay / is useful Societal developments with massive human costs and similar justifications? #progress
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Post #3668761
"For some reason, people who like bikes are also people who like data" - guilty as charged 🙋 #agit2026
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Post #3517955
Does someone here know why #shields.io is blocking github? I am trying to create an #endpoint #badge on #github like so: https://img.shields.io/endpoint?url=https://gist.github.com/mszell/fa90e1bc9a90719944b41f6af03ced49/raw/covbadge.json The url https://gist.github.com/mszell/fa90e1bc9a90719944b41f6af03ced49/raw/covbadge.json is correct, but shields.io blocks the domain, and I don&#39;t understand why. I&#39;m new to this, maybe I just overlook something stupid?
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Post #3517954
TFW you invest a whole day of work into something, unsure if it&#39;s worth the effort, and then you see the outcome 🤩 #quadrangulation
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Post #3517953
Learning new #GIS concepts while #grading: https://en.wikipedia.org/wiki/Tobler&#39;s_hiking_function https://en.wikipedia.org/wiki/Day%E2%80%93evening%E2%80%93night_noise_level https://en.wikipedia.org/wiki/Fr%C3%A9chet_distance
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Post #3517952
https://datasci.social/ now runs the latest Mastodon v4.6.0 🎉 Also updated the CSS (Bird UI), apologies if it looked a bit funky in the last hours. #mastoadmin
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Post #3517951
On the Effects of Decentralized Moderation on Network Robustness and Information Diffusion in Mastodon [pdf] https://arxiv.org/pdf/2606.27149
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Post #2598219
RE: https://fediscience.org/@elias/116575195845060955 Nice. Might arxiv become a &quot;seal of quality&quot; for published papers? That is, if a published paper hasn&#39;t gone through arxiv, it&#39;s less reliable? (Might already have been the case, but this makes it explicit)
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Post #2458677
Download the slides of my #cycling #mobility #GISRUK talks today here: LoopBikeNet: https://michael.szell.net/downloads/talk_szell2026qac.pdf BikeNetKit: https://michael.szell.net/downloads/talk_szell2026bdo.pdf
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Post #2458676
BikeButler: A Personalized, Context-sensitive Bike Routing Tool using Open Data and VLM-based Analyses of Street View Imagery https://dl.acm.org/doi/full/10.1145/3772318.3791292
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Post #2458674
[g.subgraph(c).copy() for c in sorted(nx.connected_components(g), key=lambda c: sum([l[-1] for l in g.subgraph(c).copy().edges.data(&#39;length&#39;)]), reverse=True)] Finally came up with this one line of code.. it gives me #network components ordered by total link length. Is this pythonic? 😅 :networkx:
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Post #2458673
Your daily dose of #motonormativity : To report a stolen e-bike battery to the Danish police, you have to select the category &quot;Tools / number plate / car parts / fuel / electricity&quot;. I wonder how many battery thefts go un/misreported because people don&#39;t click through all categories.
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Post #2458672
Achieving energy independence and affordable transport for all: 10 measures to leverage cycling https://www.ecf.com/en/news/cycling-manifesto-energy-independence-affordable-transport/
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Post #2458671
Nice! Urban Science Beyond Samples: Up-to-Date Street Network Models and Indicators for Every Urban Area in the World https://arxiv.org/abs/2605.00108
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Post #2458670
RE: https://datasci.social/@nerdsitu/116535048648476763 Very happy this paper is published! Great+deep work led by Clément Sebastiao. We systematically study strategies to grow a transport network step by step - motivated by #bicycle networks which need to be functional as soon as possible. https://link.springer.com/article/10.1007/s41109-026-00792-5
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Post #2458669
Vienna’s public transport is the envy of the world – so why can’t it ditch cars? https://www.theguardian.com/environment/2026/may/06/vienna-public-transport-tram-network-ditch-cars
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Post #1138715
ITF: Vision-Led Transport Planning: A guide for policy makers https://www.itf-oecd.org/vision-led-transport-planning-guide-policy-makers
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Post #1085599
It&#39;s that time of the year where I teach our 1st year #DataScience students about data *in the wild*
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Post #1080658
Answering the dilemma of cycle lane versus shared space planning through an agent-based simulation experiment and accessibility equity analysis https://link.springer.com/article/10.1007/s44327-026-00200-8
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Post #1080657
Car Dependency in Urban Accessibility https://arxiv.org/abs/2604.01019
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Post #1080656
Women&#39;s mobility networks enable more efficient travel https://arxiv.org/abs/2604.00943