Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 29/09/2026zylstra.orgBeat Döbeli und das BiblionetzDas Biblionetz ist eine einzigartige Website, die mehr Aufmerksamkeit verdient. Es beschreibt viele tausende Bücher, Artikel, Texte und Ausschnitte, und deren Verbindungen und Zusammenhänge auf Grund von Begriffe, Erwähnungen, Fragen und Aussagen. Ein Beispiel wie Texte im Biblionetz untereinander verknüpft sind, und diese Vernetzung navigierbar macht Bereits 1996 hat Beat Döbeli (blog) das Biblionetz angefangen. […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 27/09/2026zylstra.orgBlog Archiving to Notes and EmbeddingsLast March I made an export from my blog, so that I have all my blogposts since 2002 (some 3800 posts) in my notes locally. This makes it easier to find and link to my own blogposts while I am working, thinking, or writing in my notes. What I did not do in March was […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 26/09/2026zylstra.orgBig Data LDN ImpressionsThe past days I was in London to visit the Big Data LDN event and meet with my friend Paolo and his company’s team at Activate Intelligence. It made for interesting contrasts, and those contrasts made the trip worthwhile where the event on its own would not have. Big Data LDN is a yearly event. […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 26/09/2026zylstra.orgTransparant LiesDuring lunch in Holland Park, London this week, the water bottle had the text ‘ethical glass’. 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 21/09/2026zylstra.orgDie deutschsprachigen Blogwochen 2026Die deutsprachigen Blogwochen sind wieder gestartet. Eine Initiative von Robert Lender, Benedikt Müller und Dirk Deimeke, deren Blogs sich schon lange in meinem Feedreader befinden. Die Idee ist: Blogger schreiben während 3 Monate über eine kleine Liste von Themen, und werden so gegenseitig sichtbarer. So verknüpfen sich die Blogger, entstehen neue Gespräche, und bereichert man […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 19/09/2026zylstra.orgTreffen wir uns auf der Swiss Data Alliance Konferenz in Lausanne?Am 28. Oktober findet in Lausanne in der Schweiz die jährliche Konferenz der Swiss Data Alliance (SDA) statt. Die Swiss Data Alliance ist ein unabhängiger Think-Tank, der den Dialog über Daten und Digitalisierung zwischen Wirtschaft, Gesellschaft und Verwaltung fördern will. Die Konferenz findet statt unter dem Titel Swiss Data Space Forum 2026: Unlocking Data for […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 18/09/2026I will be in Lausanne from Monday October 26th late afternoon until Thursday October 29th early morning. I will be in Lausanne for an event by the Swiss Data Alliance. If you care to meet-up let me know. I will fly in and out of Geneva, so on the day of arrival a meet-up in […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 18/09/2026I will be in Oslo from Tuesday October 13th early afternoon until Friday October 16th early evening. I will be in Oslo for a CEN/CENELEC JTC25 plenary meeting (European data space standardisation work). I may have time on at least one half day, and two of the evenings if you want to meet up. 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 13/09/2026zylstra.orgBooks by Karen LordEarlier this week I read We Will Rise Again, a selection of short sf hopepunk stories and accompanying essays centered on civil disobedience, resistance, and protest. It was edited by Annalee Newitz, Malka Older, both authors whose work I have very much enjoyed, and Karen Lord, a name I didn’t remember coming across before. Based […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 09/09/2026I will be in London from Tuesday Sept 22nd late afternoon until Friday Sept 25th morning. I will be in London ao for Big Data LDN. 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 05/09/2026zylstra.orgSaturday Is For ChoresWalking in the city center of ‘s-Hertogenbosch this afternoon, I saw this person fixing their bike. In the midst of shoppers, tools were spread out and focused but unhurried a little chore was taken care of. 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 05/09/2026zylstra.orgJohnnie Walker van Connie PalmenEen literaire memoire van Connie Palmen‘s wording. N.a.v. wat Palmen er in een interview in de Volkskrant over zei had ik heel veel zin in dit boek. Wellicht omdat ik op zoek was naar wat haar werk 30 jaren geleden voor me deed maar geen enkel boek van haar daarna (al kocht en las ik […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 03/09/2026zylstra.orgNOW Page UpdateService announcement: I have updated my NOW page. A Now page contains the general activities I’m spending time on these days. It contains the things I’d mention if you would ask me in a conversation what I’m doing currently, after we haven’t spoken for a while. (I am announcing the update of my NOW page, […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 31/08/2026zylstra.orgWhere I Am NowThis week it’s been a year since my long time friend and business partner Frank died. And it’s been two years and three months since I realised I was very burned out. And it’s been four years since that process of taking on too much and not resting started, only realising much later that it […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 31/08/2026zylstra.orgLast First Day of Primary SchoolToday school started again, and Y is now going to the final year of primary school, group 8. For each of the school years we took a photo of her leaving for school on the first day. This is thus the final one. Last year she skipped a year mid-way through, so the photo for […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 23/08/2026zylstra.orgComparative Literature As Core Need In Desk Research and AI As ToolA year ago I read Libraries of the Mind by William Marx, and some of it is still very much on my mind ever since. Particularly what William Marx called ‘dark matter’ literature, which exists but you don’t have access to. E.g. because it’s in a language you can’t read, or material you don’t know […] 011
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 22/08/2026zylstra.orgBrainbaking on Deconstructing A 17th Century LetterFavorited Deconstructing A 17th Century Letter by Wouter Groeneveld (Brainbaking) This type of thing is always highly fascinating to me. Using artefacts, here 17th century letters that survived to present day by happenstance and thus not having been delivered, to say something about life in those times, habits, language, and rituals. Now try and imagine […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 20/08/2026Looking at the websites of some AI events and their programmes. Hundreds of sessions over several days. You’d think that they’d expect you to have your AI tools grab the program and e.g. match it to a local list of interests or people, given the amount of info they dump on you on the site. […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 17/08/2026zylstra.orgLast Flickr Embeds Finally RemovedI today replaced the last handful of embedded Flickr images with self hosted copies, that merely link back to the source at Flickr. This way I am certain that no tracking by Flickr is possible when you visit this site. Five years ago, I stopped embedding Flickr images for new posts. I also started to […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 17/08/2026zylstra.orgIs zoervleisj een soort rendang?Gespot in Maastricht afgelopen weekend. Is zoervleisj een soort rendang? Enquiring minds want to know. Wel zoervleisj gegeten vrijdagavond, maar geheel niet aan rendang gedacht tijdens de maaltijd. Misschien vandaag dan maar rendang? 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 13/08/2026zylstra.orgEclipseYesterday we saw the sun set at the beach near Zandvoort. We were there because of the 89% or so solar eclipse that peaked around eight in the evening. Well in time we walked onto the beach to set up our lightweight chairs and through our eclipse ‘glasses’ looked due west where the sun was […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 08/08/2026zylstra.orgCat’s Cradle and Sirens of Titan by Kurt VonnegutThe past few days I read two titles by Kurt Vonnegut, because they were mentioned in Among Others by Jo Walton that I read last month. The protagonist in Walton’s book, set in 1979/1980, is an avid reader, also of science fiction and fantasy and her reading includes Vonnegut’s work. Based on those mentions I […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 05/08/2026zylstra.orgOn Reading and Influencing EU Legal Proposals – The TimelineOne hand was raised when I asked "Who has read or looked at the actual EU Inc legal proposal itself?" in a session where we discussed the EU Inc proposal and how after adoption it will come to significantly impact the day to day operations of the group of participants. That single hand was already […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 04/08/2026zylstra.orgThessaly / Philosopher Kings Trilogy by Jo WaltonI came across a recommendation by Cory Doctorow of Jo Walton‘s work, on July 1st. I bought a range of her works then, and in the past month read what I bought. Among them the Thessaly trilogy which I read in the last 2 weeks, consisting of three books, The Just City, The Philosopher Kings […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 03/08/2026zylstra.orgWeek Notes 31-26 London EditionIt’s summer, hot and dry, and we spent the week in London, not quite the right place to cool down. A week of dunking ourselves from the almost too cold air conditioned hotel room near Finsbury Park into the stuffy, iron smell of the underground where the tunnels were hazy with a dark fog of […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 03/08/2026zylstra.orgCamden MarketA 19th century warren next to Regent’s Canal. Back in 2018 I walked through here along the canal from King’s Cross to Regent’s Park with friends remembering a friend we lost. This time the three of us explored the archways of the railroad and the alleyways between them, where originally goods were transferred between canal, […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 03/08/2026zylstra.orgZines at the British LibraryThe past week in London we also visited the British Library for a bit, reading and writing while enjoying coffee. Many people used the publicly accessible parts, I suspect to be able to read or work in a place that had more comfortable temperatures than their homes elsewhere in the stuffy city. People using all […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 01/08/2026zylstra.orgMy Smallest David Hockney ExhibitionA year ago we were in Paris to visit a very large exhibition of the work of David Hockney. It was amazing, and we spent much more time there than anticipated. Hockney had an active role in this exhibition and also created new work for it. It turned out to be his last as well, […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 31/07/2026zylstra.orgThe Good Gym Is Still RunningI think the last time E and I met Ivo Gormley was in 2012, when we had a pleasant dinner together on Great Queen Street talking about what it was like as a Londoner to have the Olympics take place in your own living environment. I knew Ivo from open data work, and his 2009 […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 24/07/2026zylstra.orgThe three cornered containerIn reply to The three cornered container by Chris Corrigan What stands out to me reading this, is that I feel I have an intrinsic preference for the emergent area of the triad. And can quickly loose interest towards the design corner, and specifically the built parts. While I see others flock to those other […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 24/07/2026zylstra.orgLearning How to be Idle on VacationIn reply to Learning How to be Idle on Vacation by Peter Rukavina Your post resonates a lot, Peter. In my journey of the last years overcoming burn-out my inability to rest, other than sleep, stands out. There’s always things to do, work, at home. Simultaneously so much time ticks by procrastinating as well, the […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 23/07/2026zylstra.orgStatic Website EnvyThis spring E took down her WordPress blog and replaced it with a static website. In the past weeks she did the same for her business website (and added her own sales channel to it, with just the payment provider as third party element). Now I have static website envy. Until 2002 I had static […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 19/07/2026zylstra.orgBerghütte / Galel by Fanny DesarzensA lovely novella and the 2022 debut by francophone Swiss author Fanny Desarzens (1993). I read the German translation, titled Berghütte (mountain cabin), Galel (the name of one of the characters) is the French title. Three men, with few words between them, share a deep friendship which unfolds every summer against the backdrop of the […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 19/07/2026zylstra.orgAmong Others and My Real Children by Jo WaltonIt’s been a while since my last post in the Books category early February, 32 fiction books further by my count. Recently Cory Doctorow pointed to the work of Welsh / Canadian author Jo Walton on the occasion of the publication of her latest novel Everybody’s Perfect, and I read some of her work these […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 15/07/2026zylstra.orgRecovery by Switching to Roles and Activities and Away From TasksOver the past month or two, after our return from Portugal I’ve been slowly improving and overcoming my burn-out. I’m at a point where I am eager to do certain things again, notice E and Y and my love for them much more again, can get energised from facilitating a workshop with a client, started […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 06/07/2026Favorited Ikigai Collective by David Orban Yes, this type of exploration is important. Without a set purpose as goal, but certainly not without purpose as an experience and source of meaning. I don’t think I have the bandwidth at the moment, and I certainly do not fit the criteria to increase […]zylstra.orgOriginal post on zylstra.org 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 30/06/2026zylstra.orgUS Supreme Court Ends The Pretence of The EU – US Data Privacy FrameworkEuropean Data Protection makes it illegal to transfer person identifiable data to outside the EU. Unless there is equivalence in data protection, or an agreement with guarantees and oversight deemed adequate. For the USA this is the EU-US Data Privacy Framework (DPF). This framework depends on the existence of the independent oversight body FTC, and […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 30/06/2026zylstra.orgAgentic Skills As Knowledge Management System?In a session today there was some discussion about agentic skills. A skill is mostly a markdown text file often named, yes, skill.md with a natural language text plus some front matter, describing some specific workflow or bit of knowledge or capability. Somebody external opined that such skills were a good way of codifying organisational […] 010
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 29/06/2026zylstra.orgNot Fully Digitally Sovereign Versus Increasing Cost of LeavingIn a session earlier today the deployment of a tool was discussed in an organisation’s information environment that is otherwise fully dominated by Microsoft products. After a presentation a director asked “if we add this tool to our (Microsoft) mix, aren’t we working in opposition to our wish for more digital autonomy and digital sovereignty”? […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 25/06/2026zylstra.orgOpen State Foundation zoekt nieuwe directeurBij de Open State Foundation (waar ik voorzitter ben) zoeken we een nieuwe directeur! Herken jij je in het profiel (PDF), en ben je net zo bevlogen als ons team om digitale transparantie bij de overheid te bevorderen en onze democratie te versterken? Dan horen we heel graag van je! Nadrukkelijk ook als je vindt […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 25/06/2026In reply to Setting up Webmentions by Alex Hyett It’s always good to see a blogger adding Webmentions to their site. Cross-blog conversations are to me what blogging is about. And Webmentions are a useful piece of plumbing to make it so. If your set-up works, then this should show up at your end […]zylstra.orgOriginal post on zylstra.org 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 20/06/2026zylstra.orgA Weekend in GrisonsLast week I spent a few days in Switzerland. I went to Zürich on Thursday to meet up with a few people, having a pleasant chat with Beat Döbeli about his 30 year old PKM system Biblionetz, and a nice dinner with long time open data friend André Golliez, who chairs the Swiss Data Alliance. […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 17/06/2026zylstra.orgFour Gun Salute Going To The OfficeThe Open State Foundation has its office on the old naval yard in the heart of Amsterdam. Right next to the national maritime museum, in the 17th century warehouse of the Dutch admirality, and across from the 1960’s former Base Commander’s home our (as I’m a board member there) offices are surrounded by other small […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 07/06/2026zylstra.orgZeg DOEI! tegen Big TechHet is DOEI! Dag, de eerste zondag van de maand om mezelf en anderen aan te moedigen weer een stapje te zetten weg van BigTech. Stap je mee? Blogpost: 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 05/06/2026Favorited The Archivist In Me Turned This Blog Into a Book by Wouter Groeneveld On occasion I’ve mentioned here that one way of ensuring longevity of this blog is to publish it as one or more books with a proper ISBN, and have the national library store their two obligated copies. We did this in […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 25/05/2026zylstra.orgData Space Standardisation in a VolcanoTrains at Atocha station Madrid I spent the week in Ciudad Real in Spain, under an hour by high speed train (~200km) south of Madrid. I was there for a plenary meeting of CEN/CENELEC’s joint technical committee (JTC) 25 that works on European standards for data management, data spaces, and cloud & edge. The need […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 23/05/2026zylstra.orgA Different Script Is Not a Code To Crack – Greek EditionThere is a lot of sloppy journalism out there. Obvious questions not asked, basic facts not gotten straight, numbers literally not adding up, tens to thousands of orders of magnitude errors. The perennial sensationalist phrasing and populist use of emotion laden words as supposedly neutral wording. And then there is ignorance of basic knowledge becoming […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 20/05/2026zylstra.orgMeeting Friends in RotterdamThis weekend we took a train to Rotterdam. We decided to spend a day there, as our Canadian friends Peter and Lisa were coming up from Bruges in Belgium, which was the last stop on their cycling holiday. Before meeting them and after coffee the three of us strolled to and through Museumpark and visited […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 20/05/2026zylstra.orgPortugal in SpringWe spent a week and a half in Portugal this spring. Traveling together is something we do well with the three of us, and something I find healing. Although I found it hard at times to be in the moment, and to not let myself get irritated over small things. It was Y’s first ever […] 000
Ton Zijlstra [Unofficial] @zylstra.org.web.brid.gy · 14/05/2026zylstra.orgA Short WalkAs I mentioned in my previous post The Long Walk, I struggle to get out of the house and away from my laptop to take short walks in the neighbourhood during the day. We live at the northern edge of Amersfoort, and across the small Laak river in easy walking distance there’s a polder at […] 000