Quality Issue #2: semantics of vocabularies

• Adequacy of a vocabulary for a given task

  • e.g. Pedagogical strategies supported

• Scope (external validity)

• Quality of "horizontal" formatting (simple layout inside "real" building blocks)

• We wind up with contradictory criteria

  • richness vs. simplicity (wide scope vs. ease of use)
  • strong or weak semantics (power vs. constraints)
  • openness to extensions (unversal usage + local adaptations)
  • fitness to be used as component (human vs. machine usable)
  • ...

Notes: