The concentration and dispersion of innovative activities in space has been largely explained and evidenced by the nature of knowledge and the geographical extent of knowledge spillovers. One of the empirical challenges is to go beyond by understanding how the geography of innovation is shaped...

This paper contributes to the empirical identification of clusters based on network analysis. We start with the detection of a composite knowledge process rather than a territorial one stricto sensu. Networks and clusters correspond to the complex aggregation process of bi or n-lateral relations...