Electronic Book Position Mapping Service
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Solution Overview
Problem
Electronic book versions with different indexing schemes and content revisions complicate the correlation of locations across versions, disrupting position indexing and making it difficult to provide consistent position-dependent services.
Innovation Solution
A position mapping service that creates version-specific word position maps and version-to-version position maps, allowing for the cross-referencing of locations between different versions of electronic content, enabling accurate position mapping across various formats and versions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If position indexing is used to specify locations in electronic books, then location reference is enabled, but position correlation across different versions becomes difficult due to content revisions and format differences
Solution Approach 1:
The patent introduces a position mapping service as an intermediary system that creates and maintains mapping relationships between positions in different versions of electronic books. This service acts as a mediator that translates position references from one version to another, enabling accurate location correlation across versions without requiring direct version-to-version synchronization. The mapping service stores mapping data that correlates character positions, word positions, and paragraph positions across multiple versions, allowing readers to access annotations and references consistently regardless of which version is being used.
2Adaptability or versatility
If multiple versions of electronic books are supported with different indexing schemes, then format flexibility is improved, but consistent position mapping across versions becomes complex
Solution Approach 1:
The position mapping service implements a universal mapping framework that handles multiple indexing schemes (character-based, word-based, paragraph-based) and different electronic book formats through a single unified system. The service can process and translate between various position reference types and indexing methods, providing consistent position correlation functionality across diverse formats and versions without requiring separate mapping mechanisms for each format type.
Solution Approach 2:
The mapping service serves as an intermediary layer between the diverse indexing schemes and the position reference system, abstracting away the complexity of different formats and versions. It maintains mapping relationships that account for content revisions, format differences, and indexing scheme variations, translating position references from any version or format to the target version while managing the complexity centrally rather than requiring complex handling at each reader device.
3Ease of operation
If dynamic page divisions are used based on display size and font settings, then user customization is improved, but meaningful page-based location indication is lost
Solution Approach 1:
The patent segments the electronic book content into stable, version-specific structural units (such as chapters, sections, paragraphs, and character positions) that remain consistent across different rendering configurations. By using these segmented structural elements as the basis for position references rather than dynamic page divisions, the system maintains meaningful and stable location indications that are independent of display size and font settings, while still allowing users to customize their viewing experience.
Data Source
AI summary
Techniques for use with electronic book readers include coordinating or translating position information between different versions of an electronic book. Positions within different versions can be translated for various purposes, such as transferring annotations between versions or synchronizing positions within different versions.