DIFF Subgroup
G06F 16/38 Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
Introduced: January 2019
Full Title
Full titles differ between systems:
IPC:
Information retrieval; Database structures therefor; File system structures therefor > of unstructured textual data > Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
CPC:
Information retrieval; Database structures therefor; File system structures therefor > of unstructured textual data (document management systems G06F16/93) > Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
Of 4 combined children, 2 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 2019.
Child Classifications
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- G06F 16/383 using metadata automatically derived from the content since 2019 IPC+CPC Available in IPC and CPC
- G06F 16/387 using geographical or spatial information, e.g. location since 2019 IPC+CPC Available in IPC and CPC