1![]() | 68P01 | General |
| 68P05 | Data structures | |
3![]() | 68P10 | Searching and sorting |
0![]() | 68P15 | Database theory |
4![]() | 68P20 | Information storage and retrieval |
29![]() | 68P25 | Data encryption [See also 94A60, 81P94] |
1![]() | 68P30 | Coding and information theory (compaction, compression, models of communication, encoding schemes, etc.) [See also 94Axx] |
| 68P99 | None of the above, but in this section |