“…Unbiased searches are important because they can be used to solve problems in general [11,12]. On the other hand, prior knowledge, if available, may be put to good use to speed up the search process [13,14]. Such an approach may be based on data mining techniques such as genetic algorithm [15][16][17] and artificial neural networks [18][19][20] or based on growth strategies [21,22,24,25].…”