Time-Based Access Control for Social Network Content
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Solution Overview
Problem
Social networking websites lack effective time-based access control mechanisms, allowing users to view all content posted by their connections without differentiation based on the timing of their relationship, leading to potential privacy issues and information overload.
Innovation Solution
Implementing a system that categorizes content into pre- and post-connection categories, with an access controller restricting access to pre-connection content and allowing access to post-connection content, which can further be categorized into subcategories based on user-defined or default settings, and using time stamps to determine content expiration dates based on relationship strength and interaction history.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If all content is made accessible to connections without time-based restrictions, then ease of operation is improved, but user privacy deteriorates
Solution Approach 1:
The patent segments content into two distinct categories: pre-connection content (created before the relationship) and post-connection content (created after the relationship). This segmentation allows different access control policies to be applied to each category, resolving the contradiction by restricting access to pre-connection content while maintaining easy access to post-connection content.
Solution Approach 2:
The patent establishes access control rules in advance, before content is accessed. By pre-categorizing content based on connection timing and pre-defining access restrictions for pre-connection content, the system proactively prevents privacy issues before they occur, while still allowing seamless access to appropriate content.
2Ease of operation
If all content is made accessible without time-based restrictions, then ease of operation is improved, but information overload worsens
Solution Approach 1:
By dividing content into pre-connection and post-connection categories, the system filters out potentially overwhelming pre-connection content from the default view, allowing users to access only the relevant post-connection content without being overwhelmed by historical data.
Solution Approach 2:
The patent applies different access qualities to different content categories: post-connection content is made fully accessible with high visibility, while pre-connection content is restricted or hidden. This local differentiation of content quality resolves the information overload problem by presenting only appropriately scoped content to users.
3Object-affected harmful factors
If pre-connection content is restricted to protect privacy, then user privacy is improved, but device complexity increases
Solution Approach 1:
The patent uses a simple temporal segmentation criterion (connection establishment time) to categorize content. This straightforward division point is easy to implement and enforce, providing strong privacy protection without requiring complex access control logic. The binary categorization based on a single timestamp criterion keeps the system simple while effectively protecting pre-connection content.
4Object-affected harmful factors
If content access is degraded over time based on relationship strength, then user privacy is improved, but measurement precision requirements increase
Solution Approach 1:
The patent uses a clear binary segmentation based on connection timing that is objectively measurable and precise. Rather than requiring complex continuous assessment of relationship strength, the system uses the precise timestamp of connection establishment as the dividing line, making the measurement requirement simple and exact.
Solution Approach 2:
The system establishes the access control boundary in advance based on the connection timestamp, before any access decisions need to be made. This preliminary categorization eliminates the need for ongoing complex relationship assessment, as the access rules are predetermined based on the objective connection time.
Data Source
AI summary
An embodiment of the invention provides a method for controlling access to content in a social networking website, wherein a connection is established between a first user and a second user on the social networking website. Content on the profile pages of the first user is categorized into a first content category and a second content category. The first content category includes content created before the connection between the first user and the second user was established. The second content category includes content created after the connection between the first user and the second user was established. Content in the first content category is also categorized into a first subcategory and at least one second subcategory. Access by the second user is restricted to the first content category. Specifically, the second user is prevented from viewing content in the first subcategory and permitted to view content in the second subcategory.