Platform Data Access Control Using Quality and Provider Screening

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Solution Overview

Problem

Existing data access technologies do not consider data quality and credibility, leading to unsafe and ineffective data access between various fields and enterprises.

Innovation Solution

A computer system with a platform system that controls data access, receiving acquisition requests with quality and provider conditions, allowing access only to data meeting specified criteria.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If data access control is implemented without considering data quality and provider credibility, then data access simplicity is improved, but data safety and reliability deteriorate

Engineering Contradiction:
Improvedata access simplicityVSAvoiddata safety
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent implements preliminary evaluation of data quality and provider credibility before granting access permissions. The platform system pre-assesses data items and providers, storing evaluation results that are subsequently used to automatically determine access permissions, thereby ensuring data safety without complicating the access process for users

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces a platform system as an intermediary between data providers and data users. This intermediary evaluates and verifies data quality and provider credibility, then uses these evaluations to control access permissions, thereby ensuring data safety while maintaining ease of operation through automated decision-making

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If comprehensive data evaluation and access control are implemented, then data safety is improved, but system complexity increases

Engineering Contradiction:
Improvedata safetyVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent segments the access control system into distinct functional modules: data quality evaluation module, provider credibility evaluation module, and access permission determination module. Each module performs a specific function, making the overall complex system manageable and maintainable while ensuring comprehensive data safety

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements feedback mechanisms where evaluation results of data quality and provider credibility are continuously updated and used to adjust access permissions. The system collects usage data and evaluation feedback to refine its assessment criteria, thereby maintaining data safety through adaptive control without requiring manual intervention in the complex evaluation logic

Inventive Principle:
Principle #23Feedback

3Reliability

If strict quality and provider conditions are enforced, then data credibility is improved, but data access efficiency deteriorates

Engineering Contradiction:
Improvedata credibilityVSAvoiddata access efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent performs preliminary evaluation of data quality and provider credibility in advance, storing the results for rapid retrieval during access requests. This pre-assessment ensures data credibility while avoiding time-consuming evaluations during actual data access operations, thereby maintaining access efficiency

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent combines multiple evaluation criteria (data quality, provider credibility, user permissions) into a unified access permission determination mechanism. By integrating these evaluations into a single automated decision-making process, the system enforces strict conditions for data credibility while maintaining access efficiency through streamlined processing

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3937047B1Computer system and data access control method
Publication Date: 2026.04.01 HITACHI LTD
  • EP3937047B1 patent drawingFigure 1
  • EP3937047B1 patent drawingFigure 2
  • EP3937047B1 patent drawingFigure 3

AI summary

A computer system including a plurality of systems, in which the plurality of systems include a plurality of provision systems that provide data and a platform system that controls access to the data, the platform system receives, from a user, an acquisition request including a data acquisition condition, a quality condition, and a provider condition related to providers of data provided by the provision systems, and in a case where data satisfying the data acquisition condition satisfies the quality condition and a provider of the data satisfying the data acquisition condition satisfies the provider condition, the platform system performs control such that the user is allowed to access the data satisfying the data acquisition condition.