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Updated: Sep 9, 2025

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
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Generación de muestras negativas escalables y efectivas para la predicción de hiperbordos

Shilin Qu1, Weiqing Wang1, Yuan-Fang Li1

  • 1Monash University, Wellington Rd, Melbourne, 3800, Australia.

Neural networks : the official journal of the International Neural Network Society
|August 31, 2025
PubMed
Resumen

Introducimos SEHP, un nuevo método para generar hiperbordos negativos en el análisis de hipergrafos. SEHP supera los problemas de escalabilidad y mejora la precisión de la predicción mediante el uso de modelos de difusión condicional para la predicción de hiperborde.

Palabras clave:
Difusión condicionalPredicción de la hipercurvaRepresentación de hipergráficoGeneración de muestras negativas

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Área de la Ciencia:

  • Análisis de sistemas complejos
  • Ciencia de las redes
  • Aprendizaje automático

Sus antecedentes:

  • Los hipergrafos sobresalen en el modelado de sistemas complejos al capturar interacciones de múltiples entidades, superando a los gráficos tradicionales.
  • La predicción de hiperborde es crucial para analizar hipergrafos, lo que requiere un muestreo de hiperborde negativo efectivo para el entrenamiento del modelo.
  • Los métodos de muestreo negativo existentes carecen de generalización y escalabilidad, especialmente para los hipergrafos grandes.

Objetivo del estudio:

  • Desarrollar un método escalable y eficaz para generar hiperbordos negativos informativos para la predicción de hiperbordos.
  • Adaptar modelos de difusión para el espacio discreto de generación de hiperborde negativo en hipergrafos.
  • Mejorar la precisión y escalabilidad de los modelos de predicción de hiperborde.

Principales métodos:

  • Se introdujo el SEHP (Scalable and Effective Negative Sample Generation for Hyperedge Prediction), un modelo de difusión condicional para la generación y el refinamiento iterativos de hiperedges negativos.
  • Se han desarrollado técnicas de muestreo subhipergráfico para integrar información estructural global para el entrenamiento de lotes escalables.
  • Abordó los desafíos de la aplicación de modelos de difusión a la generación de muestras negativas discretas.

Principales resultados:

  • SEHP efectivamente genera y refina hiperbordos negativos, empujándolos hacia el límite de decisión para mejorar el rendimiento del modelo.
  • El método demuestra una escalabilidad superior al permitir el entrenamiento de lotes en subhipergrafos muestreados.
  • Los experimentos extensos en conjuntos de datos del mundo real muestran que SEHP supera a los métodos de vanguardia en precisión de predicción y escalabilidad.

Conclusiones:

  • SEHP ofrece un avance significativo en la generación de hiperborde negativo para el análisis de hipergrafos.
  • El enfoque del modelo de difusión condicional propuesto es efectivo y escalable para hipergrafos grandes.
  • SEHP mejora el rendimiento de la predicción de hiperborde y aborda las limitaciones de los métodos existentes.