Personal Data Cache Management via Consent-Based Prioritization

The patent implements differentiated storage strategies where frequently accessed personal data is cached in the information bank's memory, while less frequently accessed data remains in the data holder's storage. This local quality differentiation allows the system to provide data availability for multiple users without requiring the information bank to store all personal data, thus reducing storage capacity requirements while maintaining service capability.

The patent introduces a cache memory as an intermediary between the data holder's storage and the information bank's data provision system. This cache stores copies of frequently accessed personal data, enabling rapid data retrieval and multi-user service without requiring the information bank to maintain large storage capacity. The cache acts as a mediator that bridges the gap between data availability needs and storage constraints.

The patent implements a feedback mechanism where the information bank monitors which personal data is actually requested by authorized users and uses this information to dynamically manage cache content. By tracking access patterns and user authorization, the system can identify and remove data of little use from the cache, ensuring that cache space is occupied by data with high likelihood of being requested. This feedback loop maintains high cache hit ratios while preserving fast data provision speed.

The patent employs dynamic cache management where the contents of cache memory are continuously adjusted based on actual usage patterns and user authorization status. Rather than statically pre-loading all possible data, the system dynamically adds data to the cache when it is requested and removes data that is no longer relevant or authorized for access. This dynamic approach ensures optimal cache utilization and maintains high cache hit ratios while preserving fast retrieval speeds.