Centralized Media Metadata Normalization for Vehicle Content Access
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Solution Overview
Problem
Existing systems struggle to efficiently manage and unify media content access rules from disparate sources for vehicles, leading to complex and inefficient content presentation.
Innovation Solution
A centralized media content management server that receives and reformats metadata from multiple sources into a common format, generates data transfer packages based on content access rules, and synchronizes content and rules for offline and online use on vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If metadata from multiple disparate sources is integrated without reformatting, then the system can maintain more diverse content sources, but the system complexity increases due to handling multiple data formats
Solution Approach 1:
The patent introduces an adapter as an intermediary component that mediates between diverse metadata sources and the rules engine. The adapter receives metadata in various formats from different content sources, reformats it into a standardized structure, and presents it to the rules engine in a uniform manner. This intermediary layer allows the system to maintain diversity in content sources while hiding the complexity of format conversion, thus resolving the contradiction between adaptability and system complexity.
2Reliability
If content access rules are updated in real-time from remote servers, then the system can maintain up-to-date access control, but the system may experience disruptions when offline
Solution Approach 1:
The patent implements preliminary action by downloading and caching content access rules from remote servers in advance, before the vehicle goes offline. The rules engine stores these rules locally in the content management system, ensuring that access control decisions can be made immediately using pre-fetched rules when connectivity is unavailable. This preliminary caching action ensures continuous reliable operation during offline periods while maintaining accurate access control, resolving the contradiction between real-time updates and offline disruption.
3Reliability
If the system downloads all content items and rules every time the vehicle is online, then the system can ensure complete content availability, but the data transfer time and network bandwidth consumption increase
Solution Approach 1:
The patent applies partial action by implementing a selective content download mechanism. The rules engine evaluates content access rules to determine which specific content items are actually needed based on current access permissions, user profiles, and content availability. Instead of downloading all content items, the system downloads only the subset of content that is authorized and relevant, significantly reducing data transfer time and network bandwidth consumption while ensuring complete availability of authorized content. This selective approach resolves the contradiction between content availability and transfer time.
Data Source
AI summary
A media content management server is configured to receive, from a first remote server, first metadata associated with a first set of content items, the first metadata representing a first parameter for each of the first set of content items in a first data format, and further to receive, from a second remote server, second metadata associated with a second set of content items, the second metadata representing a second parameter for each of the second set of content items in a second data format different than the first data format. Reformatted metadata is generated by reformatting the first parameter and the second parameter to a common data format. Rules engine circuitry is configured to generate a data transfer package by comparing the reformatted first and second parameters to content access rule data to determine subsets of content items for inclusion in the data transfer package.