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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G06F 16/3331

Query processing

Introduced: January 2025

Full Title

Full titles differ between systems:

IPC:

Information retrieval; Database structures therefor; File system structures therefor > of unstructured textual data > Querying > Query processing

CPC:

Information retrieval; Database structures therefor; File system structures therefor > of unstructured textual data (document management systems G06F16/93) > Querying > Query processing

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2025.

Child Classifications

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  • G06F 16/3349 Reuse of stored results of previous queries since 2025 IPC+CPC Available in IPC and CPC