Patent · US Active

Access control method and a system for privacy protection

US8020213B2 · kind B2 · utility

2Cited by

6References

14Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Weifeng Chen · Amherst, US
Alexandre V. Evfunievski · San Jose, US
Zhen Liu · Tarrytown, US
Ralf Rantzau · San Jose, US
Anton V. Riabov · Ossining, US
Pankaj Rohatgi · Hartsdale, US
Angela Marie Schuett · Columbia, US
Ramakrishnan Srikant · San Jose, US
Grant Wagner · Columbia, US

Key dates

Filing date	Aug 1, 2006
Grant date	Sep 13, 2011
Priority date	—
Expiry date	Jul 6, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04L63/105
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for protecting information in a distributed stream processing system, including: assigning a principal label to a processing component; assigning a first channel label to a first communication channel that is input to the processing component; comparing the principal label to the first channel label to determine if the processing component can read data attributes of the first channel label; and reading the data attributes of the first channel label when the principal label is equal to or has precedence over the first channel label, wherein the principal label includes a read label and a write label and at least one of a selection label, an addition label or a suppression label.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.