Activity Theory

2 posts tagged with “Activity Theory

Weeknotes

Verbs, Nouns, and the Hierarchy of Action in Service Design

Duncan Stephen's recent post, "Services are verbs combined with nouns", addresses the nouns, verbs best way to describe service ontologies problem, and which I also wrote about in states and services...

Research Updates

From Cognitive Frameworks to Geometric Formalism

The previous posts established that services involve objects with properties, events that change those properties, and systems in which those events unfold. The next question is representational: how...