Anonymizing selected content in a document
US7831571B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2007 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Oct 29, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/93
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and system for anonymizing selected content in a document, by receiving as input a document comprising content; assigning user access privileges to identified users based on an access control policy, the access control policy for the user based on a context and a set of pre-defined named entities stored in a repository; identifying named entities in the document; comparing the pre-defined set of named entities based on a context with named entities in the document; concealing the named entities identified in the document matching with the pre-defined set of named entities; and providing as output a document, wherein the set of pre-defined named entities have been concealed based on the identified user access.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.