, it is suggested to use a triadic theory of interpretation, and more particularly the concepts of semiotic mediation …

into computable models. In interpretation-based theories (pragmatism, theory of activity, situated cognition), instruments …. Instruments combine objective artefacts and interpretive schemes of utilization. They constrain interpretation and utilization … acceptable approximations in stable and reasonably simple organizational settings, interpretation-based theories make uncertain …

tried to offer a meaningful support for actors’ continuous (re)interpretation of present and future work situations in terms …-situated utilization and interpretation. A semiotic and pragmatist theory of activity and instruments can then be proposed. …