Kjetil Haslum Ajith Abraham Svein J. Knapskog HiNFRA: Hierarchical Neuro-Fuzzy Learning for Online Risk Assessment. 631-636 2008 Asia International Conference on Modelling and Simulation http://doi.ieeecomputersociety.org/10.1109/AMS.2008.120 conf/asiams/2008 db/conf/asiams/ams2008.html#HaslumAK08