Retrieval from the web

Introduced: January 2019

Full Title

Information retrieval; Database structures therefor; File system structures therefor > Details of database functions independent of the retrieved data types > Retrieval from the web

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

IPC defines codes here since 2019.

Child Classifications

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G06F 16/951 Indexing; Web crawling techniques since 2019 IPC+CPC Available in IPC and CPC
G06F 16/953 Querying, e.g. by the use of web search engines since 2019 IPC+CPC Available in IPC and CPC
G06F 16/954 Navigation, e.g. using categorised browsing since 2019 IPC+CPC Available in IPC and CPC
G06F 16/955 using information identifiers, e.g. uniform resource locators [URL] since 2019 +4 CPC IPC+CPC Available in IPC and CPC
G06F 16/957 Browsing optimisation, e.g. caching or content distillation since 2019 +2 CPC IPC+CPC Available in IPC and CPC
G06F 16/958 Organisation or management of web site content, e.g. publishing, maintaining pages or automatic linking since 2019 +2 CPC IPC+CPC Available in IPC and CPC