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How do you create an interaction semantics?

Programming semantics are well-studied. What about direct manipulation semantics? Can they be in bijection?

I'm especially interested in, say, reflecting mathematical semantics in interactive diagrams. With Penrose, we've been asking, eg, what dragging a point outside a circle in a venn diagram means mathematically - it's an "edit" in the mathematical construction.

This is true for other domains that have a formal representation underlying a highly interactive one.

(UI Continuations)

Expressive Query Construction through Direct Manipulation of Nested Relational Results

Karger's lab has a disproportionate number of these kinds of papers!

fructure

(Fructure. BTW I'm not just talking about program editors, they're just a convenient example to point to.)

Direct manipulation (mouse, not keyboard)

What even is a program? You can make great Smalltalk (System Archaeology Seminar) programs without writing much code at all. I'm not talking about no-code/future-code, but rather, writing a trace of behavior by live (not premeditated) interactions on objects.

  • Self Language (and other Morphic environments) turns green empty "morphs" into rich interactive objects just through right-clicking

Structure editing (keyboard, not mouse)

Programming by demonstration

https://observablehq.com/@observablehq/data-wrangler

https://twitter.com/andy_matuschak/status/1435772997155971073?s=21

https://twitter.com/_paulshen/status/1463202129619808259


Children

  1. Algebraic Interfaces


Page last modified: 11/23/2021.