Ali Orhan Aydin Mehmet A. Orgun Abhaya C. Nayak The reactive-causal architecture: Combining intentional notion and theories of needs. 50-59 2008 IEEE ICCI http://dx.doi.org/10.1109/COGINF.2008.4639150 conf/IEEEicci/2008 db/conf/IEEEicci/IEEEicci2008.html#AydinON08