Personal Data Control via Reference-Based Segmentation

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Solution Overview

Problem

Current systems lack control and management of personal data sharing, allowing users to lose control over how shared data is used and when, with no decentralized solution for updating or deleting data from other users' terminals.

Innovation Solution

A method for controlling personal data sharing between communicating objects involves sharing data, associating it with user references, and transmitting control instructions to manage and update or delete the data, ensuring the user retains control over their data across networks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If personal data is shared with other users through centralized servers, then data can be updated and managed centrally, but the user loses control over how and when the data is used, and cannot delete data from other users' terminals

Engineering Contradiction:
Improveuser control over personal dataVSAvoiddata management system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent segments data management control by introducing reference-specific associations. Each shared personal data item is linked to specific user references, allowing the owner to control access and usage on a per-reference basis rather than globally. This segmentation enables granular control where the data owner can grant different levels of access to different users while maintaining overall data ownership and control capabilities.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediary control mechanism through reference management. The reference acts as an intermediary layer between the data owner and the shared data, enabling the owner to control data access and usage indirectly through reference validation. This intermediary structure allows the data owner to maintain control over shared data without directly managing each user's terminal, resolving the contradiction between ease of control and system complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If data is shared across decentralized networks without centralized servers, then user control and data privacy are improved, but automatic updating and synchronization of personal data becomes impossible

Engineering Contradiction:
Improvedata synchronization reliabilityVSAvoiddata updating capability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent implements feedback mechanisms through control instructions that flow back to the data owner's terminal. When data is shared or updated, the system generates control instructions that provide feedback to the owner, enabling automatic synchronization across decentralized terminals. This feedback loop ensures that updates made by the data owner are automatically propagated to all users with reference-based access rights, maintaining data synchronization reliability without requiring centralized servers.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent enables self-service data synchronization through automated control instructions. The system automatically generates and transmits control instructions between terminals based on reference associations, allowing data to update itself across the decentralized network without manual intervention. This self-service mechanism resolves the contradiction by making data updating easy while maintaining reliability through automated reference-based validation and propagation.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If centralized servers manage personal data sharing, then data can be updated automatically, but users cannot delete their data from other users' terminals and lose control over data usage

Engineering Contradiction:
Improvedata deletion capabilityVSAvoiddata control authority
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The patent inverts the traditional deletion approach by enabling the data owner to delete data from other users' terminals rather than requiring users to manually request deletion. The inversion of control direction allows the data owner to actively remove shared data from any terminal associated with their references, ensuring complete data control authority. This resolves the contradiction by giving users both deletion capability and maintained control over their shared information.

Inventive Principle:
Principle #13The other way round (Inversion)

Data Source

PatentUS8793340B2Controlled sharing of personal data
Publication Date: 2014.07.29 THALES DIS FRANCE SA
  • US8793340B2 patent drawing
  • US8793340B2 patent drawing
  • US8793340B2 patent drawing

AI summary

A first user of a first communicating object shares personal data in response to a request from a second user. The shared data are associated with a reference of the second user in the first communicating object and are transmitted to the second communicating object in order to be recorded therein in association with a reference of the first user. The first user controls the shared personal data from the first communicating object by transmitting a control instruction to the second communicating object. The instruction contains at least the reference of the first user in order to find the personal data of the first user in association with the reference in the second communicating object, and to treat the personal data according to the transmitted control instruction.