Ioannidou I. & Dimitracopoulou A. (2004). Young Children Collaborating to use Maps during Technology based Distributed Learning Activities. In proceedings of 6th International Conference of Mathematics Teaching, October 2003, Volos, Greece. In this paper, the authors describes how they analyzed a distributed cognitive system. They classified minimal cognitive actions carried out by each subgroup (for instance formulating a place via wlakie-talkie) and put them in a sequence chart, which is interesting to find recurrent actions or patterns. The following chart depicts two different groups (made up of subgroups):