Document Change Detection via Updatable Reference Comparison
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Solution Overview
Problem
Existing data examination systems lack efficient methods for monitoring and tracking changes in electronic documents over time, particularly in identifying specific changes or differences, such as additions, deletions, and modifications, and fail to provide user-defined alert mechanisms for relevant changes.
Innovation Solution
A computerized system and method for examining electronic documents by creating an updatable reference that compares changes between a monitored document and a stored reference, using web crawling, flat file parsing, and natural language processing to detect changes, and alerts users based on predefined parameters and search terms, with options for output formats and notification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual document comparison methods are used, then simplicity is maintained, but efficiency and accuracy of change detection deteriorate
Solution Approach 1:
The patent replaces manual mechanical document comparison with automated computerized text analysis systems. The system uses software algorithms to automatically extract, compare, and analyze text between documents, eliminating the need for manual side-by-side comparison while significantly improving efficiency and accuracy of change detection.
Solution Approach 2:
The patent introduces an intermediary computerized system that acts as a mediator between documents. This system extracts text from multiple documents, creates comparative analyses, and presents change information to users, serving as an intermediary layer that automates the complex comparison process while maintaining user control and interpretability.
2Measurement precision
If comprehensive document monitoring is implemented, then change detection accuracy is improved, but information overload and user burden increase
Solution Approach 1:
The patent extracts and isolates only the specific changes between documents from the comprehensive document set. Instead of presenting users with all document content and requiring them to identify changes themselves, the system extracts only the differential information - additions, deletions, and modifications - and presents this filtered information to users, reducing information overload while maintaining accurate change detection.
Solution Approach 2:
The patent applies local quality by providing different levels of detail and analysis for different types of changes. The system can highlight specific changed text passages, categorize changes by type (addition, deletion, modification), and provide focused analysis on significant changes while summarizing or omitting minor changes, allowing users to concentrate on the most relevant information.
3Speed
If frequent document comparisons are performed, then real-time monitoring capability is improved, but processing time and system resources increase
Solution Approach 1:
The patent implements periodic action by performing document comparisons at scheduled intervals or triggered by specific events rather than continuously. The system can monitor documents periodically and automatically compare them when updates occur, providing timely change detection while avoiding the continuous processing overhead of constant real-time monitoring, thus balancing response speed with resource efficiency.
Data Source
AI summary
A system and method are provided to examine a changeable monitored document and to provide alerts relating to changes of interest. The logical entities of a monitored document are compared, when changed, to the logical entities of an updatable reference of the monitored document which comprises material from the monitored document at a given time. The system distinguishes between logical entities which have moved within a document and logical entities which have been changed in a document. A user or users are alerted to any change in the monitored document according to the user's preferences. The system also allows the user to specify one or more search terms, thereby allowing a user to receive alerts only when a specified search term or terms appear in a newly changed portion of the monitored document. After examination, an extracted copy of the monitored document is retained as the editable reference.