The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2003
Filed:
Dec. 15, 2000
International Business Machines Corporation, Armonk, NY (US);
Abstract
It is one object of the present invention to use an access control process to evaluate under a specific condition an access permission request. An access control system comprises a resource document in which a policy description is stored; a policy evaluation module for receiving an external request for accessing the data file, for extracting, from the resource document the policy description that is associated with target data for the access request and for evaluating the policy description to determine whether or not the access request is to be permitted; an enforcement function verification module for, when an existing condition can not be evaluated using only the information included in the policy evaluation module determining whether the condition can be evaluated or can be established; and an enforcement module for evaluating or establishing the condition that, in accordance with the enforcement function verification module can be evaluated or established.