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Currently Viewing Posts Tagged affordance

Evolving Pattern Language towards an Affordance Language (Almaden, 2018/05/09)

With a visit of one week at IBM Research Almaden with @rarar and @jimspohrer , I was invited to give a talk.  As an IBM alumnus who was active in pattern language community from the mid-1990s, this was an occasion to surface some history of science about activities inside the company that is otherwise opaque.  This history shapes my aspirations and predispositions towards continuing the development of pattern language in new domains.

The high-level agenda aimed to cover three parts:

  • 1. 1964 → 1999 → 2012: 
    Synthesis of Form→OOPSLA 1996→Battle (Eishin)
  • 2. 1993 →2002→2006→2010: 
    Hillside Group→IGS Method→AWB→Eclipse
  • 3. 2014 → … : 
    Wicked Messes→Service Systems Thinking

Here’s the abstract sent in advance of my arrival:

Pattern language has its origins from architects of built physical environments. The approach was cross-appropriated into software development methods at the rise of object-oriented design, and was influential in the emerging styles with agile practices. The idea has been extended into social change. Are the philosophical foundations from the 1960s-1970s appropriate for the 21st century era of service science, and innovations in augmented intelligence?

The communities of interest on pattern language are coming together (i.e. PLoP and PUARL-Purplsoc are colocating in Portland, OR, in October 2018), coming from three historical subgroups.

The PUARL subgroup is led by former students of Christopher Alexander from the Center for Environmental Structure at Berkeley in the 1970s. They continue to work on “towns, buildings and construction”, with recent interests in large scale incidents (e.g.

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With a visit of one week at IBM Research Almaden with @rarar and @jimspohrer , I was invited to give a talk.  As an IBM alumnus who was active in pattern language community from the mid-1990s, this was an occasion to surface some history of science about activities inside the company that is otherwise opaque.  This history shapes my aspirations and predispositions towards continuing the development of pattern language in new domains.

The high-level agenda aimed to cover three parts:

  • 1. 1964 → 1999 → 2012: 
    Synthesis of Form→OOPSLA 1996→Battle (Eishin)
  • 2. 1993 →2002→2006→2010: 
    Hillside Group→IGS Method→AWB→Eclipse
  • 3. 2014 → … : 
    Wicked Messes→Service Systems Thinking

Here’s the abstract sent in advance of my arrival:

Pattern language has its origins from architects of built physical environments. The approach was cross-appropriated into software development methods at the rise of object-oriented design, and was influential in the emerging styles with agile practices. The idea has been extended into social change. Are the philosophical foundations from the 1960s-1970s appropriate for the 21st century era of service science, and innovations in augmented intelligence?

The communities of interest on pattern language are coming together (i.e. PLoP and PUARL-Purplsoc are colocating in Portland, OR, in October 2018), coming from three historical subgroups.

The PUARL subgroup is led by former students of Christopher Alexander from the Center for Environmental Structure at Berkeley in the 1970s. They continue to work on “towns, buildings and construction”, with recent interests in large scale incidents (e.g.

Read more (in a new tab)

Acts of representation with systems thinking (OCADU 2017/03)

For the “Understanding Systems & Systemic Design” course in the program for the Master of Design in Strategic Foresight and Innovation at OCAD University, the lecture slides were the same for both the full-time cohort on March 8 and part-time cohort on March 9, while the oral presentation varied.  The target, in about 90 minutes, was to cover at least 4 of 5 sections, from:

  • 1. Architecting ↔ designing
  • 2. Service systems ← production systems
  • 3. Affordances ↔ pattern language
  • 4. Ecological anthropology ← teleology
  • 5. Inquiring systems ↔ methods

The students were alerted that some of the arrows in the section headings were double-headed, and some were single-headed — with specific meanings.  For each day, the classroom audio was recorded.  That digital audio has now been synchronized with slides that had previously been posted on the Coevolving Commons.

This session was #8 of 15 lectures for the OCADU SFI students.  They had already done some basic reading on systems approaches.  Since they were working towards a Major Research Project (a lighter weight form of a thesis) for their Master of Design degree, my overall agenda for this lecture was to have them reflect on acts of representation.   Systems have already been represented to them in a variety of forms:  textually, orally and visually.  For their Major Research Projects, they would be creating detailed representations, as ways of having their audience appreciate the in-depth study of the world and issues selected for the term.… Read more (in a new tab)

For the “Understanding Systems & Systemic Design” course in the program for the Master of Design in Strategic Foresight and Innovation at OCAD University, the lecture slides were the same for both the full-time cohort on March 8 and part-time cohort on March 9, while the oral presentation varied.  The target, in about 90 minutes, was to cover at least 4 of 5 sections, from:

  • 1. Architecting ↔ designing
  • 2. Service systems ← production systems
  • 3. Affordances ↔ pattern language
  • 4. Ecological anthropology ← teleology
  • 5. Inquiring systems ↔ methods

The students were alerted that some of the arrows in the section headings were double-headed, and some were single-headed — with specific meanings.  For each day, the classroom audio was recorded.  That digital audio has now been synchronized with slides that had previously been posted on the Coevolving Commons.

This session was #8 of 15 lectures for the OCADU SFI students.  They had already done some basic reading on systems approaches.  Since they were working towards a Major Research Project (a lighter weight form of a thesis) for their Master of Design degree, my overall agenda for this lecture was to have them reflect on acts of representation.   Systems have already been represented to them in a variety of forms:  textually, orally and visually.  For their Major Research Projects, they would be creating detailed representations, as ways of having their audience appreciate the in-depth study of the world and issues selected for the term.… Read more (in a new tab)

Is that affordance essential? (HSSE)

For the 1st International Conference on Human Side of Service Innovation, I had been asked  by Kelly Lyons to contribute an article for a session on Frameworks for Service Systems.  I had worked on the article in fall 2011, but leading a 6-day conference in San Jose immediately before the start of the HSSE meeting in San Francisco made completion improbable.  Having prepared an abstract and outline for “Is That Affordance Essential? Pathology in service systems and redesigns for sustainability”, I couldn’t squeeze in an article by the winter publication deadline. I was, however, prepared to share a presentation on research-in-progress.  I expect that I’ll be able to finish this research paper over the next year, (and hope that I’ll get a longer time slot to present than the 15 minutes allotted at HSSE).

The original abstract for my presentation reads:

A service systems may exhibit pathologies, i.e. an abnormal, unhealthy, maladjusted or inefficient state that is maintained in a living system for a significant period. Correcting a pathology may require a history-making change where significant capital investment is needed.

As a way of reframing the definition of a service system, interactions between parties are expressed as an interaction where a provider offers affordances and clients may have varying levels of ability. The needs and expectations of high-ability clients can be contrasted to those of low-ability clients. Portraying affordances as essential or discretionary may enable segmentation of client target groups into coproducing or full-service arrangements.

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For the 1st International Conference on Human Side of Service Innovation, I had been asked  by Kelly Lyons to contribute an article for a session on Frameworks for Service Systems.  I had worked on the article in fall 2011, but leading a 6-day conference in San Jose immediately before the start of the HSSE meeting in San Francisco made completion improbable.  Having prepared an abstract and outline for “Is That Affordance Essential? Pathology in service systems and redesigns for sustainability”, I couldn’t squeeze in an article by the winter publication deadline. I was, however, prepared to share a presentation on research-in-progress.  I expect that I’ll be able to finish this research paper over the next year, (and hope that I’ll get a longer time slot to present than the 15 minutes allotted at HSSE).

The original abstract for my presentation reads:

A service systems may exhibit pathologies, i.e. an abnormal, unhealthy, maladjusted or inefficient state that is maintained in a living system for a significant period. Correcting a pathology may require a history-making change where significant capital investment is needed.

As a way of reframing the definition of a service system, interactions between parties are expressed as an interaction where a provider offers affordances and clients may have varying levels of ability. The needs and expectations of high-ability clients can be contrasted to those of low-ability clients. Portraying affordances as essential or discretionary may enable segmentation of client target groups into coproducing or full-service arrangements.

Read more (in a new tab)
  • RSS qoto.org/@daviding (Mastodon)

    • daviding: Very long article, o September 4, 2020
      Very long article, oriented towards policy change. Issues should be familiar to everyone on this platform (and appreciation of that is probably why you are here). #CoryDoctorow on Surveillance Capitalism https://onezero.medium.com/how-to-destroy-surveillance-capitalism-8135e6744d59
    • daviding: A small wording shif July 27, 2020
      A small wording shift, yet I really like the idea on belonging rather than just including. https://www.theglobeandmail.com/business/commentary/article-want-a-more-diverse-work-force-move-beyond-inclusion-to-belonging/
    • daviding: On the post-pandemic July 18, 2020
      On the post-pandemic world, #MargaretAtwood says: > "this is like being in 1952, except with birth control and the internet".https://www.thestar.com/entertainment/books/opinion/2020/07/17/margaret-atwood-on-post-covid-hopes-plus-baking.html
    • daviding: Instead of using a t July 4, 2020
      Instead of using a text editor or Notepad on my computer for everyday work, I now use #Zettlr as a persistent scratchpad, a new page each day. The feature of creating #Markdown often helps in copy-and-paste to other applications. I haven't exercised #Zotero citations, yet, but probably will, shortly. > Roam let’s you manage knowledge, […]
    • daviding: The #GlobeAndMail ed June 29, 2020
      The #GlobeAndMail editorial declares that the brain drain of 15,000 Canadians to the United States between years 2000-2010 could be reversed, with corporations near-shoring northwards. > Canada already exerts a powerful pull on people from the rest of the world. A global Gallup survey, conducted from 2015 through 2017, shows Canada is one of the most […]
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    • 1969, 1981 Emery, System Thinking: Selected Readings
      Social Systems Science graduate students in 1970s-1980s with #RussellAckoff, #EricTrist + #HasanOzbehkhan at U. Pennsylvania Wharton School were assigned the Penguin paperback #SystemsThinking reader edited by #FredEEmery, with updated editions evolving contents.
    • 1968 Buckley, “Modern Systems Research for the Behavioral Scientist: A Sourcebook”
      Resurfacing 1968 Buckley, “Modern Systems Research for the Behavioral Scientist: A Sourcebook” for interests in #SystemsThinking #SocioCybernetics #GeneralSystemsTheory #OrganizationScience . Republication in 2017 hardcopy may be more complete.
    • Wholism, reductionism (Francois, 2004)
      Proponents of #SystemsThinking often espouse holism to counter over-emphasis on reductionism. Reading some definitions from an encyclopedia positions one in the context of the other (François 2004).
    • It matters (word use)
      Saying “it doesn’t matter” or “it matters” is a common expression in everyday English. For scholarly work, I want to “keep using that word“, while ensuring it means what I want it to mean. The Oxford English Dictionary (third edition, March 2001) has three entries for “matter”. The first two entries for a noun. The […]
    • Systemic Change, Systematic Change, Systems Change (Reynolds, 2011)
      It's been challenging to find sources that specifically define two-word phrases -- i.e. "systemic change", "systematic change", "systems change" -- as opposed to loosely inferring reductively from one-word definitions in recombination. MartinReynolds @OpenUniversity clarifies uses of the phrases, with a critical eye into motives for choosing a specific label, as well as associated risks and […]
    • Environmental c.f. ecological (Francois, 2004; Allen, Giampietro Little 2003)
      The term "environmental" can be mixed up with "ecological", when the meanings are different. We can look at the encyclopedia definitions (François 2004), and then compare the two in terms of applied science (i.e. engineering with (#TimothyFHAllen @MarioGiampietro and #AmandaMLittle, 2003).
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