“…For this reason, an ontology-based structure fits well in our problem, as in fact many of the proposed related works in Sec. 3 already used them [1,8,13,15,16,20,21]. Also, the context can be used to obtain a better interaction with a system of systems (in this case, an example could be that of many different vehicles on the same road): in [7] a context-aware recommeder system for such a system was proposed.…”