Document capture using client-based delta encoding with server
US11232253B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2019 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jan 15, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/197
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
When different client devices request the same document, most of content of the response from the server (i.e. the response document from a web server) will be the same. Embodiments allow the client devices to use fingerprints, i.e. hashes, sent by a capture system to pinpoint only the changing portions of the document instead of sending the entire document. In various embodiments, the client compares client-generated fingerprints for the document with capture system-generated fingerprints for most likely appearing portions of text of the document or related documents to fully represent and sends to the capture system the client document in a compact and efficient way.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.