  Conversational search is based on a user-system cooperation with the
objective to solve an information-seeking task. In this report, we discuss the
implication of such cooperation with the learning perspective from both user
and system side. We also focus on the stimulation of learning through a key
component of conversational search, namely the multimodality of communication
way, and discuss the implication in terms of information retrieval. We end with
a research road map describing promising research directions and perspectives.
