| Subclass
| Subclass Name
| # of Patents
|
| 1 |
DATABASE OR FILE ACCESSING |
1960 |
| 2 |
Access augmentation or optimizing |
1980 |
| 3 |
Query processing (i.e., searching) |
3484 |
| 4 |
Query formulation, input preparation, or translation |
1730 |
| 5 |
Query augmenting and refining (e.g., inexact access) |
1503 |
| 6 |
Pattern matching access |
1369 |
| 7 |
Sorting |
749 |
| 8 |
Concurrency (e.g., lock management in shared database) |
868 |
| 9 |
Privileged access |
918 |
| 10 |
Distributed or remote access |
4212 |
| 100 |
DATABASE SCHEMA OR DATA STRUCTURE |
1993 |
| 101 |
Manipulating data structure (e.g., compression, compaction, compilation) |
1768 |
| 102 |
Generating database or data structure (e.g., via user interface) |
2732 |
| 103Y |
Object-oriented database structure processing |
110 |
| 103X |
Object-oriented database structure network |
34 |
| 103Z |
Object-oriented database structure reference |
31 |
| 104.1 |
Application of database or data structure (e.g., distributed, multimedia, image) |
2891 |
| 200 |
FILE OR DATABASE MAINTENANCE |
1365 |
| 201 |
Coherency (e.g., same view to multiple users) |
1046 |
| 202 |
Recoverability |
850 |
| 203 |
Version management |
1159 |
| 204 |
Archiving or backup |
984 |
| 205 |
File allocation |
807 |
| 206 |
Garbage collection |
486 |