Alberto Bertoni Giorgio Valentini Unsupervised Stability-Based Ensembles to Discover Reliable Structures in Complex Bio-molecular Data. 25-43 2008 CIBB http://dx.doi.org/10.1007/978-3-642-02504-4_3 conf/cibb/2008 db/conf/cibb/cibb2008.html#BertoniV08