Method and device for accessing digital resources

A technology of digital resources and access methods, applied in digital transmission systems, electronic digital data processing, data exchange networks, etc., can solve problems such as low access efficiency, difficult access rights, and complicated modification of authority relations, so as to achieve rapid access rights and reduce Quantity effect

Active Publication Date: 2009-06-03
PEKING UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This access control mechanism is simple in design and easy to implement. However, for a resource management system with a large number of users (the number of users is N) and a large number of resources (the number of resources is M), the number of authority relationships between users and resources that needs to be established Proportional to (N*M), when the number of users and the amount of data increase, the number of permission relationships that need to be established will a

Method used

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  • Method and device for accessing digital resources
  • Method and device for accessing digital resources

Examples

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Embodiment Construction

[0018] To achieve the purpose of the present invention, the present invention uses an authorized access strategy, which includes user group identifiers, resource group identifiers, relationships, and access rights. Further, the authorized access strategy also includes resource library identifiers. An authorized access policy can be described by a five-tuple: (resource library ID, user group ID, resource group ID, relationship, access right). Each element in the quintuple is described in detail below:

[0019] "Resource library ID" indicates the resource library on which the authorized access policy described by the five-tuple acts. The resource library ID must be a legal resource library name already defined by the system.

[0020] "User group ID" indicates the set of users affected by the authorized access policy described by the five-tuple. The user group ID can be a user group name predefined in the system, or it can be empty. When the user group ID is empty, it means that ...

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Abstract

The invention discloses a method for accessing digital resources, which comprises steps as follows: multiple tuples are screened according to user information in the received resource accessing request, the screened multiple tuples comprises a user group including the user information; the screened multiple tuples are further selected according to the operation information in the resource accessing request, the relation between the user and the resources selected in the multiple tuples meets that of the user and the resources in the operation information, and the access authority of the user and the resources in the multiple tuples is matched with the operation required by the user in the operation information; and the selected multiple tuples including the resources corresponding to the resource group are outputted. By adopting the method for accessing digital resources, the quantity of the authority relation is reduced, and the access authority of the user for specific data resources can be quickly searched. In addition, the invention also discloses an accessing device for digital resources.

Description

technical field [0001] The invention relates to computer software technology, in particular to a method and equipment for accessing digital resources in digital resource management technology. Background technique [0002] With the development of information technology, digital resource management technology has been widely used in various industries. Digital libraries, company document management systems, or government affairs resource banks of governments at all levels are all examples of digital resource management technology. These resource management systems not only facilitate people's access through the digital storage of data resources, but also realize the dissemination and sharing of digital resources. However, how to effectively protect these digital resources, and only allow personnel with access rights to access digital resources that match the access rights is an important part of digital resource management technology. [0003] The traditional access control ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/56G06F17/30
Inventor 熊开宏周智臻刘小武
Owner PEKING UNIV
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