“…There is already a significant body of research addressing this problem (for a good review, the reader is referred to [Porter, 2005, Porter, 2007, Losiewicz et al, 2000, Martino, 1993); interesting examples include visualizing the inter-relationships between research topics [Porter, 2005, Small, 2006, identification of important researchers or research groups [Kostoff, 2001, Losiewicz et al, 2000, the study of research performance by country [de Miranda et al, 2006, Kim andMee-Jean, 2007], the study of collaboration patterns [Anuradha et al, 2007, Chiu and Ho, 2007, Braun et al, 2000 and the prediction of future trends and developments [Smallheiser, 2001, Daim et al, 2005, Daim et al, 2006, Small, 2006. Nevertheless, given the many difficulties inherent to these undertakings, there is still much scope for further development in many of these areas.…”