Document Block Matching for Appended Information Transfer

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Solution Overview

Problem

Existing systems fail to efficiently transfer appended information from a revised document to its original version, particularly in legal documents, due to structural similarities being obscured by added changes.

Innovation Solution

A document management system that divides documents into blocks based on hierarchical structure, compares and associates similar blocks, and adds appended information to the revised document with user approval, ensuring accurate transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If appended information is added to a legal document, then the document reflects user modifications, but the structural similarity with the original document is obscured making efficient transfer difficult

Engineering Contradiction:

Improveaccuracy of appended information transferVSAvoiddocument structure complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent divides both the first legal document and the second legal document into multiple blocks based on their hierarchical structures. This segmentation allows the system to compare and associate corresponding blocks between documents, making it easier to identify and transfer appended information even when the overall document structure becomes complex due to revisions and modifications.

Inventive Principle:

Principle #1Segmentation

2Productivity

If the authority issues a revised legal document, then the document is updated with changes, but the appended information from the original document is lost

Engineering Contradiction:

Improveefficiency of document revisionVSAvoidloss of appended information

Core Design Contradiction:

ProductivityVSLoss of information

Solution Approach 1:

The system performs preliminary actions by storing and accumulating appended information from the first legal document before the authority issues the revised second legal document. It also pre-compares blocks between documents to establish associations. This preliminary processing ensures that when the revised document is created, the appended information can be automatically transferred without being lost during the revision process.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system establishes a feedback mechanism where appended information from the first document is compared with blocks in the second document, and the comparison results are used to determine which appended information should be transferred to the revised document. This feedback loop ensures that the appended information is successfully transferred while maintaining the integrity of the revised document.

Inventive Principle:

Principle #23Feedback

3Reliability

If manual transfer of appended information is performed, then accuracy can be maintained, but the process is time-consuming and inefficient

Engineering Contradiction:

Improveaccuracy of information transferVSAvoidtime for information transfer

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system performs self-service by automatically comparing blocks between the first and second legal documents, automatically associating corresponding blocks, and automatically transferring appended information based on these associations. This automated self-service process eliminates the need for manual transfer operations, significantly reducing the time required while maintaining high accuracy through systematic block-by-block comparison and association.

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS12566918B2Document management system for adding appended information indicating changes made to the document to the revised document

Publication Date: 2026.03.03 TOYOTA JIDOSHA KK

AI summary

Appended information is accumulated for each block of a first document before revision. A second document, which is a revised version of the first document, is divided into blocks. Each of the blocks of the first document, from which the appended information is removed, is compared with the blocks of the second document. The blocks of the first document are associated with the blocks of the second document on a one-to-one basis. The appended information related to the blocks of the first document is added to the blocks of the second document.