Explainable Composition of Aggregated Assistants
  A new design of an AI assistant that has become increasingly popular is that
of an "aggregated assistant" -- realized as an orchestrated composition of
several individual skills or agents that can each perform atomic tasks. In this
paper, we will talk about the role of planning in the automated composition of
such assistants and explore how concepts in automated planning can help to
establish transparency of the inner workings of the assistant to the end-user.
