Strict Partial Order Network for Hypernym Induction

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Solution Overview

Problem

Current methods for automatic hypernym induction in natural language processing are limited by the need for extensive training data and struggle to generalize across domains, particularly in identifying hypernymy relationships from unstructured text.

Innovation Solution

A neural network-based system utilizing a strict partial order network (SPON) model that learns to encode hypernymy relationships by generating triples from a text corpus, including candidate hyponyms and hypernyms with frequency values, and trains on these triples to enforce asymmetry and transitivity requirements, enabling the identification of hypernymy relations even for out-of-vocabulary terms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional methods are used for hypernym induction, then extensive training data is required, but the system struggles to generalize across domains

Engineering Contradiction:
Improvegeneralization capabilityVSAvoidtraining data requirement
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The patent introduces an intermediary representation layer that transforms raw text corpus into structured triplets (hyponym, hypernym, frequency) which then feed into the neural network. This intermediary structure enables the system to learn from unstructured text without requiring extensive manually annotated training data, while maintaining generalization capability across domains.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system performs self-service by automatically generating training triplets from unstructured text corpus through linguistic pattern matching and co-occurrence analysis. This self-annotation capability eliminates the need for extensive manual data preparation and allows the model to adapt to different domains by processing domain-specific text corpora independently.

Inventive Principle:
Principle #25Self-service

2Measurement precision

If neural networks are trained on extensive annotated data, then accuracy improves, but the complexity of data preparation and annotation increases

Engineering Contradiction:
Improvehypernym detection accuracyVSAvoiddata preparation complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system performs preliminary action by pre-processing the text corpus to extract structured triplets containing hyponym candidates, hypernym candidates, and frequency information before training the neural network. This preliminary structuring of data reduces the complexity of data preparation while maintaining high detection accuracy, as the neural network receives pre-organized training examples rather than raw unstructured text.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically generates annotated training data through self-service mechanisms including linguistic pattern matching, co-occurrence analysis, and frequency-based weighting. This eliminates the need for manual annotation while producing high-quality training triplets that improve hypernym detection accuracy without increasing data preparation complexity.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If the system processes unstructured text directly, then domain adaptability improves, but the precision of hypernymy relationship identification decreases

Engineering Contradiction:
Improvedomain adaptabilityVSAvoidhypernymy relationship identification precision
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The patent applies segmentation by dividing unstructured text into structured triplets (hyponym,hypernym,frequency) that capture hypernymy relationships in an organized format. This segmentation enables the system to process diverse domain texts while maintaining precise identification of hypernymy relationships, as each triplet independently encodes a specific relationship with associated confidence information.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system changes parameters by transforming unstructured text into structured triplets with frequency values that quantify relationship strength. This parameter transformation from unstructured to structured representation with numerical weights enables both domain adaptability and precise hypernymy identification, as the frequency parameter provides measurable evidence for relationship validity.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11694035B2Hypernym detection using strict partial order networks
Publication Date: 2023.07.04 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US11694035B2 patent drawing
  • US11694035B2 patent drawing
  • US11694035B2 patent drawing

AI summary

One embodiment of the present invention provides a method comprising receiving a text corpus, and generating a first list of triples based on the text corpus. Each triple of the first list comprises a first term representing a candidate hyponym, a second term representing a candidate hypernym, and a frequency value indicative of a number of times a hypernymy relation is observed between the candidate hyponym and the candidate hypernym in the text corpus. The method further comprises training a neural network for hypernym induction based on the first list. The trained neural network is a strict partial order network (SPON) model.