“…In the USA, it is important to highlight the study presented by Nicholson (2003a) that compares the effectiveness of four different data mining functions: logistic regression, memory-based reasoning, decision/classification tree and neural networks to discover Webbased scholarly research works. Moreover, in 2006, two out of four articles report a case study implementation in Germany, all implemented by Decker and colleagues (Decker & Hermelbracht, 2006;Decker & Höppner, 2006). Data analysis and characterization are the most used techniques, except for the years 2002-2004, in which more formal data mining techniques are implemented.…”