68Txx
68R | 
68 | 
68U 68Txx | 68R | 68 | 68U |
| 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 |