68T01 General 
68T05 Learning and adaptive systems [See also 68Q32, 91E40]
68T10 Pattern recognition, speech recognition {For cluster analysis, see 62H30}
68T15 Theorem proving (deduction, resolution, etc.) [See also 03B35] 
68T20 Problem solving (heuristics, search strategies, etc.) 
68T27 Logic in artificial intelligence 
68T30 Knowledge representation 
68T35 Languages and software systems (knowledge-based systems, expert systems, etc.) 
68T37 Reasoning under uncertainty 
68T40 Robotics [See also 93C85] 
68T45 Machine vision and scene understanding 
68T50 Natural language processing [See also 03B65] 
68T99 None of the above, but in this section 

Version of December 15, 1998