Hiroaki Tanabe Tu Bao Ho Canh Hao Nguyen Saori Kawasaki Simple but effective methods for combining kernels in computational biology. 71-78 2008 RIVF http://dx.doi.org/10.1109/RIVF.2008.4586335 conf/rivf/2008 db/conf/rivf/rivf2008.html#TanabeHNK08