Hybrid Text Summarization for Large Multi-Context Corpora

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Solution Overview

Problem

Conventional automatic summarization techniques struggle to handle large volumes of text data with diverse contexts, leading to inefficiencies and unsatisfactory outputs due to resource constraints and token limits, particularly in handling thousands of support tickets with varying issues.

Innovation Solution

A hybrid summarization model combining abstractive and extractive methods, utilizing extractive techniques to identify salient sentences and abstractive models like LLMs to generate concise summaries, leveraging graph-based ranking models and transformer-based models for text embeddings and clustering.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional automatic summarization techniques are used to process large volumes of text data from multiple contexts, then processing speed is improved, but summarization quality deteriorates due to inability to handle diverse contexts

Engineering Contradiction:
Improveprocessing speedVSAvoidsummarization quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent segments the text data processing by first clustering sentences into groups based on semantic similarity using sentence embeddings and clustering algorithms (e.g., K-means). This segmentation divides the large volume of diverse text into manageable context groups, allowing the summarization model to process each group separately while maintaining overall quality and speed.

Inventive Principle:
Principle #1Segmentation

2Manufacturing precision

If manual summarization is used to ensure high quality summaries, then summarization quality is improved, but time consumption and resource requirements worsen

Engineering Contradiction:
Improvesummarization qualityVSAvoidtime consumption
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The patent introduces an automatic summarization model as an intermediary between manual summarization and raw text data. This model, trained on diverse context data, automatically generates high-quality summaries by learning from clustered sentence groups, thereby eliminating the need for time-consuming manual summarization while maintaining quality standards.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If conventional summarization methods process text from different contexts, then processing coverage is improved, but resource consumption worsens due to computational complexity

Engineering Contradiction:
Improveprocessing coverageVSAvoidcomputational resources
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The patent performs preliminary actions by pre-processing the text data into sentence embeddings and clustering them into semantic groups before summarization. This preliminary organization reduces the computational complexity during the actual summarization phase, allowing the system to handle diverse contexts efficiently without excessive resource consumption.

Inventive Principle:
Principle #10Preliminary action

4Productivity

If extractive summarization is used to quickly identify key sentences, then processing speed is improved, but information completeness deteriorates

Engineering Contradiction:
Improveprocessing speedVSAvoidinformation completeness
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The patent merges extractive and abstractive summarization approaches. It uses extractive techniques to identify and cluster important sentences based on similarity, then applies abstractive summarization to generate comprehensive summaries that maintain information completeness. This combination leverages the speed of extractive methods while preserving the information richness of abstractive methods.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20250371061A1Abstractive and extractive summarization of text
Publication Date: 2025.12.04 MICROSOFT TECHNOLOGY LICENSING LLC
  • US20250371061A1 patent drawing
  • US20250371061A1 patent drawing
  • US20250371061A1 patent drawing

AI summary

Systems and methods implement a summarization model that includes a combination of abstractive and extractive summarization are provided. Extractive summarization is applied to identify the most salient sentences from a text corpus. Abstractive summarization is utilized to generate a topic summary based on filtered outputs from the extractive summarization.