Location Search Device Intermediate Level Regression
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Solution Overview
Problem
Conventional location search devices require users to regress to the first search hierarchical level and repeat the division identification process when attempting to re-identify a division on an intermediate level, leading to inefficiency in finding a desired location.
Innovation Solution
A location search device with a character string information storage section, division identification section, and correction section that allows users to regress to a designated intermediate search hierarchical level, eliminating the need to restart the division identification process from the beginning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the search follows a predefined sequence of search hierarchical levels from large division to small division, then the search structure is systematic and complete, but the user cannot efficiently re-identify divisions at intermediate levels without regressing to the beginning
Solution Approach 1:
The search hierarchical levels are segmented into distinct stages (first search hierarchical level, intermediate search hierarchical levels, and final search hierarchical levels). The system allows independent access to each segment, enabling users to re-identify divisions at intermediate levels without processing earlier segments again. This segmentation resolves the contradiction by making the search process modular and independently accessible at each level.
Solution Approach 2:
The system performs preliminary identification of divisions at earlier search hierarchical levels and stores these results. When a user needs to re-identify a division at an intermediate level, the system retrieves previously identified divisions from earlier levels rather than requiring complete re-processing. This preliminary action and storage of intermediate results eliminates the need to regress to the beginning, saving time while maintaining systematic completeness.
2Measurement precision
If the system requires complete re-identification from the first hierarchical level when regressing to an intermediate level, then search accuracy is maintained, but user effort and time consumption increase significantly
Solution Approach 1:
The system performs preliminary division identification at each search hierarchical level and preserves these results. When regressing to an intermediate level, the system utilizes previously identified divisions from earlier levels, maintaining search accuracy without requiring complete re-identification. This approach reduces operational complexity while preserving measurement precision through intelligent reuse of prior identification results.
Solution Approach 2:
The system creates and stores copies of identified division results at each hierarchical level. These copied results can be retrieved and reused when regressing to intermediate levels, eliminating the need to replicate the entire identification process. This copying mechanism maintains accuracy by preserving original identification data while significantly simplifying the search process structure.
Data Source
AI summary
A location search device is provided. The location search device includes a storage in which character string information indicative of a location is divided into three or more search hierarchical levels according to units of division of the search hierarchical levels. The location search device searches for a location by references the character string information in a predefined search sequence of search hierarchical levels to sequentially identify a division on each search hierarchical level based on a character string input from a user. When the location search device accepts a user input designating a search hierarchical level that is reached by moving backward the predefined search sequence of the search hierarchical levels, the location search device regresses to the designated search hierarchical level and re-identify a division.