The Curious Engineer

All blogs / Software / engineering practice

R&A IT Strategy & Architecture

ea.rna.nl

R&A is the vehicle for Gerben Wierda's 'extracurricular activities' (what he does next to his day job and family life — or what's left of that). Mostly writing and sometimes a bit of training or consultancy. R&A is also the publisher of Mastering ArchiMate and Chess and the Art of Enterprise Archite

Software / engineering practiceAI / ML

’15’20’25
Posts
249 from 21 May 2011 to 31 Oct 2026
Posting
monthly (13 in the last year)
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personal blog
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2026 13

  1. Serious coding with LLMs. Lab notes 2026-10-31: Teaser Demo of the LLM-coded EACMP application, and a quiz
  2. Serious coding with LLMs. Lab notes 2026-10-27: A code audit of LLM-generated code: improving from ‘sludge’ to ‘vakwerk’
  3. Serious coding with LLMs. Lab notes 2026-10-21: The throttling of subscriptions by OpenAI and Anthropic is really happening
  4. Serious coding with LLMs. Lab notes 2026-10-13: Codex vs Claude on the same coding task.
  5. Serious coding with LLMs. Lab notes 2026-10-01: Codex and Claude generate a shared analysis
  6. Serious coding with LLMs. Lab notes 2026-09-27: Codex succeeds, Claude reviews the result.
  7. Serious coding with LLMs. Lab notes 2026-09-25: Codex vs Claude Code, Usage Limit Resets
  8. Anthropic/OpenAI may be spending more than $1000 for every $100 you pay them
  9. The key to real intelligence might be imagination
  10. ArchiMate NEXT: summary verdict, “what’s in a name?”, and a wild ride.
  11. ArchiMate NEXT: On stories versus maps
  12. ArchiMate NEXT: At your service!
  13. ArchiMate NEXT drops BAT. Now What?

2025 4

  1. AI-generated podcast AI-slopcast
  2. AI has invented a new language, and added sex to a dull office context
  3. Generative AI ‘reasoning models’ don’t reason, even if it seems they do
  4. Let’s call GPT and Friends: ‘Wide AI’ (and not ‘AGI’)

2024 13

  1. Google’s ‘Willow’ quantum computer: impressive science and misleading marketing
  2. Hello Human Intelligence, meet Complexity Crunch
  3. Mastering ArchiMate 3.2 has been released (PDF version)
  4. Can we break through the inertia that plagues IT-change?
  5. Like we don’t see air, we don’t see the Digital Revolution
  6. Generative AI doesn’t copy art, it ‘clones’ the artisans — cheaply
  7. No-IT. Really. No. I. T.
  8. When ChatGPT summarises, it actually does nothing of the kind.
  9. Microsoft lays a limitation of ChatGPT and friends bare
  10. Don’t forget all the things that a core team performs to a tee, but that you never see
  11. Ain’t No Lie — The unsolvable(?) prejudice problem in ChatGPT and friends
  12. Will Sam Altman’s $7 Trillion Plan Rescue AI?
  13. The Department of “Engineering The Hell Out Of AI”

2023 14

  1. Memorisation: the deep problem of Midjourney, ChatGPT, and friends
  2. What makes Ilya Sutskever believe that superhuman AI is a natural extension of Large Language Models?
  3. State of the Art Gemini, GPT and friends take a shot at learning
  4. Artificial General Intelligence is Nigh! Rejoice! Be very afraid!
  5. GPT and Friends bamboozle us big time
  6. The hidden meaning of the errors of ChatGPT (and friends)
  7. The Truth about ChatGPT and Friends — understand what it really does and what that means
  8. I had a conversation with GPT-4
  9. Eyes that glaze over. Eyes like saucers. Eyes that narrow.
  10. The Other Side of Requirements
  11. Where are GPT and friends going?
  12. 11 years, 11 months, 11 days
  13. Definition of Ready, Done? What about a ‘Definition of Broken’?
  14. The lack of use cases for blockchain should teach organisations a valuable lesson about handling hypes

2022 13

  1. Cicero and chatGPT — signs of AI progress?
  2. Follow-Up: The missing element of ‘Sunshine’ Life Cycle Management
  3. On the Psychology of Architecture and the Architecture of Psychology
  4. Mastering ArchiMate PDF 3.2 Upgrade policy
  5. Layering — is it really a useful approach in Business/IT/Enterprise Architecture?
  6. It is life, Jim. But not as we know it.
  7. Let’s bury NIST’s outdated definition of Cloud Computing
  8. Will McKinsey be the first ‘big consultancy’ that gets (enterprise) architecture right?
  9. Traduction des fiches Mastering ArchiMate
  10. Dev, Test, Production — “It’s Turtles All The Way Down”
  11. Amateurs talk Strategy, Professionals talk Logistics — that is kind of true in IT as well
  12. Scanning for vulnerabilities — using an #ArchiMate diagram about scanning for log4j
  13. Wanted: IT advisor. No real IT insight required.

2021 19

  1. For the Board: Essential Reading on IT Strategy
  2. Are we humans still ‘top dog’ in this brave new world of massive IT?
  3. Should you derive your IT Strategy from your Business Strategy? Probably not too much.
  4. Does Google’s ‘Quantum Supremacy’ mean ‘QM Computing has arrived’? Not so fast.
  5. AI is a Myth, says AI-researcher and engineer Erik Larson
  6. From Dark Scrum to Broken SAFe — some real problems of Agile-at-scale. And a way out.
  7. Don’t become an Enterprise/IT Architect…
  8. Flexplekmaffia
  9. Is Your Consultant a Parasite?
  10. Yes, 2-speed IT is real, but not like you think
  11. About ‘being right’ versus ‘being heeded’
  12. Over ‘gelijk hebben’ versus ‘gelijk krijgen’
  13. How well does your top management understand IT?
  14. Mastering ArchiMate 3.1 is now available
  15. Mastering ArchiMate 3.1 Free Excerpt is available
  16. Mastering ArchiMate 3.1 is done
  17. You’re invited (by The Open Group) to contribute to the next minor #ArchiMate release
  18. Perspectives on the Information Revolution
  19. The many lies about reducing complexity part 2: Cloud

2020 14

  1. Master or Servant? Are We Humans Still ‘Top Dogs’ in This Brave New World of Massive IT?
  2. Modelling Networking in ArchiMate 3.1
  3. Chatbots: een plaag voor de mensheid
  4. Chatbots: a scourge of humankind
  5. Key posts on IT
  6. The Answer to the July 2020 ArchiMate Quiz
  7. The July 2020 ArchiMate Quiz
  8. Update to the Free ArchiMate Metamodel PDF sheets published
  9. Обзор ArchiMate 3.1 PDF
  10. Gossip, Trust and the Information Revolution (‘value’ vs. ‘values’)
  11. IT is us
  12. A tipping point in the information revolution
  13. Blame the mathematicians!
  14. 2020 is upon us

2019 9

  1. ArchiMate 3.1 released, Mastering ArchiMate upgrade policy
  2. Join me at the Enterprise Architecture Conference Europe 2019 in London on 21 October 2019
  3. John A. Zachman: Agile at 82 (85)
  4. Lifecycle Management – Let the Sunshine in
  5. “Architecture in an Age of Agile” is online
  6. Another error corrected in my #ArchiMate 3.0.1 Reference Sheets
  7. To be and not to be — is that the answer?
  8. Error corrected in my #ArchiMate 3.0.1 Reference Sheets
  9. Two Celebrations, and the New Year’s Eve #ArchiMate Quiz answer

2018 12

  1. New Year’s Eve 2018 #ArchiMate Quiz
  2. Prioritising Architecture and Debt with “Dado’s Diagram”
  3. Agile, Dirt, and Technical Debt
  4. Prioritising Architecture under Agile
  5. Agile teaches us the true meaning of Architecture
  6. Architecture principles considered harmful
  7. Data center myopia creates cloud illusions
  8. ArchiMate Quiz Solution: A Common Cause
  9. ArchiMate Quiz: a common cause
  10. How Facebook uses more strict privacy rules to invade your privacy even more (and kill WhatsApp in the process)
  11. Something is (still) rotten in the kingdom of artificial intelligence
  12. Panta Rhei — How more ‘agile’ can make you less agile

2017 17

  1. The clash of big data and the cloud
  2. The worst enterprise architecture anti-pattern of them all
  3. Visiting London on 27-28 November 2017
  4. Cyber Monday PDF Discount: 20%
  5. Answer for “An #ArchiMate Quiz Question”
  6. An #ArchiMate Quiz Question
  7. Mastering #ArchiMate Edition III hardcover is in production
  8. Meet me at the ArchiMate User Group Meeting on Wednesday Oct 25, 2017
  9. Discounts for eligible users for Mastering #Archimate Edition III have been sent
  10. The Free Upgrade to Mastering #ArchiMate III has been sent out to eligible readers
  11. Sale of Mastering #ArchiMate II disabled
  12. Mastering #ArchiMate Edition III is done
  13. ArchiMate 3.0.1
  14. How does the API-economy differ from the SOA approach of the past? An ArchiMate answer.
  15. Enterprise Architecture Video Most Viewed on YouTube
  16. The ArchiMate 3.0 Relations Table…
  17. Agile & Architecture

2016 22

  1. Another Milestone
  2. Who's in Charge? (Layers? What Layers! — 2)
  3. What is wrong with this picture?
  4. ArchiMate 3.0.1 metamodel PDF
  5. An AchiMate 3 Map (Layers? What Layers! — 1)
  6. Follow-up to "Is ArchiMate Open?"
  7. ArchiMate 3: What do the license changes mean?
  8. ArchiMate 3.0: The Good, The Bad, and The Ugly
  9. Process Modelling in ArchiMate in BiZZdesign Architect
  10. Vertical Integration versus (horizontal) standardisation
  11. Is ArchiMate® and Open Standard? Not really.
  12. Is ArchiMate® an Open Standard? Not really.
  13. Twenty years ago: deconstructing hype
  14. Meet me at EAC June 2016 London
  15. The IT-janitor
  16. UltiMateCloud™
  17. Modelling processes in ArchiMate
  18. Presentation Chess and the Art of EA available on YouTube
  19. Open Letter to TOG #7
  20. A tale of application rationalization (not)
  21. Open Letter to TOG #6
  22. Modeling Virtual Data

2015 45

  1. Serious Request 2015
  2. Serious Request 2015
  3. US Visit January 2016
  4. US Visit January 2016
  5. Cyber Monday 2015 Deal
  6. Cyber Monday 2015 Deal
  7. Black Friday 2015 Deal
  8. Black Friday 2015 Deal
  9. Open Letter to TOG #5
  10. Chess and the Art of Enterprise Architecture and Mastering ArchiMate Edition II (both PDF) now available as bundle
  11. Chess and the Art of Enterprise Architecture and Mastering ArchiMate Edition II (both PDF) now available as bundle
  12. Architecture Principles considered harmful
  13. Open Letter to TOG #4
  14. What is wrong with this picture?
  15. Open Letter to TOG #3
  16. Modelling a rich business service (What was wrong with that picture?)
  17. Chess and the Art of Enterprise Architecture available as PDF
  18. Chess and the Art of Enterprise Architecture now available as iBook
  19. Open Letter to TOG #2
  20. A worthwhile reality check
  21. Another milestone: 200,000 views for the Mastering #ArchiMate blog
  22. Open Letter to TOG #1
  23. What is wrong with this #ArchiMate picture?
  24. New EAPJ blog post: Reverse Cloud (with two ArchiMate pictures)
  25. New EAPJ Column: Reverse Cloud
  26. Who you gonna call? Trustbusters!
  27. Reusable Infrastructure Modelling Patterns (2)
  28. Reusable Infrastructure Modelling Patterns
  29. High-res versions of the pictures in the book available
  30. The Great Escape: “EA is not about IT!”
  31. Two appearances: Gartner EA Summit (UK) and MBT Conference (NL)
  32. Two appearances: Gartner EA Summit (UK) and MBT Conference (NL)
  33. D4 – being in control of your deployed reality
  34. Used-By Redux
  35. The #ArchiMate Wish List: Group
  36. ArchiMate doesn’t make communication to management easier
  37. About analysis of ArchiMate models
  38. Losing a Limpet – What happens when we don’t have Enterprise Architecture?
  39. New ‘On Slippery Ice’ column at EAPJ: “The (Forgotten) Other Half of SOA”
  40. Modelling Self-Service in #ArchiMate
  41. “I, Robot” – there is no such thing as ‘Customer Self-Service’
  42. Free excerpt of Chess and the Art of Enterprise Architecture available
  43. The Book is available
  44. Database Triggers in #ArchiMate — And a Wish
  45. Je suis Charlie

2014 23

  1. New PDF Pricing for Mastering #ArchiMate per 1/1/2015
  2. Christmas 2014 Archi & Mastering #ArchiMate special
  3. New: The (Mastering) #ArchiMate FAQ
  4. Low-hanging Cloud
  5. Black Friday Deal for Mastering ArchiMate Edition II PDF
  6. Modelling networking using the networking concepts of #ArchiMate
  7. New Enterprise Architecture Column: On Slippery Ice
  8. New Enterprise Architecture Column: On Slippery Ice
  9. Modelling Homogenous Landscapes in #ArchiMate (Classes and Instances)
  10. The #ArchiMate Wish List: Junctions for All
  11. New Book, new blog
  12. Welcome
  13. The Archi #ArchiMate tool is looking for sponsors
  14. Why is Stakeholder not a Role in #ArchiMate?
  15. What is wrong with this #ArchiMate picture?
  16. Reframing #ArchiMate: about the physical domain, layers and recursion
  17. The tool support package for Mastering #ArchiMate has been released
  18. A milestone: 100,000 views for this Mastering #ArchiMate blog
  19. Modelling Physical Enterprise Architecture with #ArchiMate
  20. #ArchiMate is overrated (and underrated)
  21. Thank you, paid users of Mastering #ArchiMate – Edition I
  22. What is wrong with these #ArchiMate pictures?
  23. A Small Puzzle: Which Relation?

2013 13

  1. On #ArchiMate Certification
  2. 9-Colour Scheme for Archi (Open Source #ArchiMate tool)
  3. Linking #BPMN and #ArchiMate – Draft
  4. A Control Framework for Current State Architecture (#ArchiMate) Models
  5. What was wrong with that picture?
  6. What is wrong with this picture?
  7. Would people be interested in a 'Masterclass' #ArchiMate?
  8. Why Enterprise Architecture – Animation
  9. Mapping #BPMN and #ArchiMate: About BPMN’s ‘Pool’
  10. #ArchiMate #OmniGraffle Stencils GW-Style
  11. Mapping #BPMN and #ArchiMate, first thoughts
  12. Good International Print Shop for Professional Prints
  13. Abstraction versus Precision in ArchiMate

2012 8

  1. Missing from ArchiMate: (Business) Capability?
  2. Does my method of book distribution work?
  3. Style Police?
  4. Announcing Mastering ArchiMate Edition 1
  5. The Book is Done
  6. Coming Soon: a new Book on ArchiMate
  7. Simplified modeling of roles related to IT
  8. Modeling Risks (and Security and more)

2011 10

  1. Application Deployment Patterns
  2. Modeling Web Browser Use
  3. ArchiMate `Problem Areas’: Business Role
  4. Modeling GOFBF
  5. Business Process versus Business Function
  6. On ArchiMate’s divide between behaviour and structure
  7. Modeling Spreadsheet Use
  8. ArchiMate is not a language
  9. On the Use of Colours in ArchiMate
  10. Modelling IT in Your Organization, a Broader Perspective