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PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G06F 40/205

Parsing

Introduced: January 2020

Full Title

Full titles differ between systems:

IPC:

Handling natural language data > Natural language analysis > Parsing

CPC:

Handling natural language data (speech analysis or synthesis, speech recognition G10L) > Natural language analysis (semantic analysis of natural language G06F40/30) > Parsing

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2020.

Child Classifications

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  • G06F 40/211 Syntactic parsing, e.g. based on context-free grammar [CFG] or unification grammars since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/216 using statistical methods since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/221 Parsing markup language streams (streaming G06F40/149) since 2020 IPC+CPC Available in IPC and CPC
  • G06F 40/226 Validation since 2020 IPC+CPC Available in IPC and CPC