Navigation Database Customization via Selective Data Extraction
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Solution Overview
Problem
Navigation databases often require customization to meet specific user needs, but existing methods either provide fully compiled databases that are too large or lack necessary detail, or require complex editing processes that are not user-friendly.
Innovation Solution
A method and apparatus for creating a customized navigation database by analyzing geographic database structure elements, such as road attributes and points of interest, allowing users to select and exclude elements to create a tailored database, using an adaptation compiler or intermediate database format for efficient customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a fully compiled navigation database is provided, then complete geographic data detail is available, but the database size becomes too large for efficient storage and usage
Solution Approach 1:
The patent extracts only the necessary geographic data elements required for specific navigation tasks from the complete database, excluding unnecessary data. This allows the database to maintain complete information availability for needed functions while significantly reducing overall file size by removing redundant or non-essential geographic data elements.
Solution Approach 2:
The navigation database is segmented into distinct functional components or layers, allowing users to select and include only the specific segments needed for their navigation requirements. This segmentation enables partial database compilation where only relevant geographic data subsets are processed and stored, reducing total database size while preserving necessary detail for specific navigation functions.
2Adaptability or versatility
If a customized navigation database is created by selecting specific database structure elements, then the database can be optimized for specific needs, but the customization process becomes more complex
Solution Approach 1:
The patent establishes predetermined database structure element categories and templates that guide the customization process. By pre-organizing available geographic data into standardized categories and configurations, users can customize their navigation databases by selecting from predefined options rather than creating custom structures from scratch, thereby increasing adaptability while reducing process complexity.
3Adaptability or versatility
If all database structure elements are included in the navigation database, then comprehensive navigation functionality is available, but storage requirements and processing time increase
Solution Approach 1:
The patent implements partial action by compiling and including only the specific database structure elements necessary for the user's intended navigation functions, rather than processing or including all possible elements. This selective compilation reduces processing time and storage requirements while maintaining sufficient navigation functionality for the user's specific needs.
Data Source
AI summary
Custom geographic databases are created by analyzing a geographic database to determine database structure elements. The database structure elements may involve road attributes or points of interest. Database structure elements are then selected to include in a customized geographic database. A customized geographic database is created that includes the selected database structure elements.