Automated Start-of-Reading Location Detection in Ebooks
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Solution Overview
Problem
Current technologies are unable to consistently determine the relevant starting location for electronic books due to diversity in writing styles and content, leading to inefficient automated solutions and reliance on manual or crowd-sourced methods.
Innovation Solution
A machine-learning approach using trained classifiers to identify relevant blocks of text in e-books by converting them into markup language, extracting features, and assigning relevance scores to determine the optimal start-of-reading location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automated keyword search or formatting transition detection is used to determine SRL location, then automation is improved, but measurement precision deteriorates
Solution Approach 1:
The patent replaces manual human review (mechanical process) with machine learning-based automated classification. The system uses trained classifiers that analyze text blocks and assign relevance scores to automatically determine SRL locations, substituting human judgment with computational algorithms that can process diverse writing styles and content structures.
Solution Approach 2:
The patent transforms the SRL determination problem from simple keyword or formatting detection into a multi-parameter classification task. The system evaluates multiple features including text block content, structural elements, semantic relevance, and positional information to compute composite relevance scores, thereby improving precision through multi-dimensional analysis rather than single-criterion detection.
2Measurement precision
If manual review is used to place SRL stamp, then measurement precision is improved, but productivity deteriorates
Solution Approach 1:
The patent replaces the manual review process with automated machine learning classification. Trained classifiers process text blocks and compute relevance scores automatically, eliminating the need for human reviewers to manually examine each book's introductory content. This substitution maintains high accuracy while dramatically increasing processing speed and throughput.
Solution Approach 2:
The patent implements pre-training of classification models using labeled training data from manually reviewed books. By performing this learning phase in advance, the system prepares optimized classifiers that can rapidly and accurately determine SRL locations for new books without requiring real-time manual intervention, thus achieving both high precision and productivity.
3Productivity
If crowd-sourcing is used to determine SRL location, then productivity is improved, but measurement precision deteriorates
Solution Approach 1:
The patent replaces crowd-sourced human judgment with deterministic machine learning classification. Instead of relying on multiple crowd workers to independently assess and vote on SRL locations, the system uses trained classifiers that consistently apply learned patterns from training data, eliminating variability and improving measurement precision while maintaining automated processing speed.
Solution Approach 2:
The patent implements a feedback mechanism where the machine learning model is trained on labeled data from manually or crowd-sourced reviews. The system learns from this feedback to improve its classification accuracy over time, using the ground truth from human reviews to refine its algorithms and achieve precision that exceeds individual or collective human judgment while maintaining automated efficiency.
Data Source
AI summary
A machine-learning system analyzes electronic books to determine a “start-of-reading location” (SRL) in each book. Based on this location, when an electronic book is opened on a reading device for the first time, the book can be opened to where a reader is likely to want to start reading, automatically skipping past introductory pages. Books are divided into logical blocks (e.g., title page, forward, chapters, etc.), and a title portion and a body-text portion is identified in each block. A title classifier attempts to determine whether or not a block should be marked as the SRL. If the score from the title classifier is indefinite, a body-text classifier is used.


