← heapsort-ai

unsupervised learning

10 items

RESEARCHarXiv CS.CL·4/10/2026

Reasoning-Based Refinement of Unsupervised Text Clusters with LLMs

Este artigo propõe uma estrutura de refinamento baseada em raciocínio que utiliza LLMs como juízes semânticos para validar e reestruturar os resultados de algoritmos de agrupamento de texto não supervisionados. A estrutura inclui verificação de coerência, adjudicação de redundância e fundamentação de rótulos, visando melhorar a qualidade dos clusters sem dados rotulados.

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RESEARCHarXiv CS.AI·5/1/2026

Unsupervised Electrofacies Classification and Porosity Characterization in the Offshore Keta Basin Using Wireline Logs

This study applies an unsupervised machine learning workflow, specifically K-means clustering, for electrofacies analysis and porosity characterization in offshore basin wireline log data. The methodology identified four distinct electrofacies with moderate separation, providing a robust log-only approach for geological interpretation where core data is scarce.

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RESEARCHarXiv CS.LG·21d ago

AdaGraph: A Graph-Native Clustering Algorithm That Overcomes the Curse of Dimensionality and Enables Scientific Discovery

AdaGraph is a graph-native clustering algorithm from the Structure-Centric Machine Learning (SC-ML) paradigm, which fundamentally dissolves the curse of dimensionality by replacing geometry-centric computation with topology-based computation. Operating within kNN graph topology, it requires no a priori specification of cluster numbers, handles noise, and scales effectively.

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RESEARCHarXiv CS.LG·5/7/2026

Transformation Categorization Based on Group Decomposition Theory Using Parameter Division

This research explores unsupervised categorization of transformations between input pairs using algebraic constraints, aiming for a principled understanding of good representations. It introduces parameter division to refine prior Galois-theoretic methods, addressing their reliance on auxiliary assumptions and improving the decomposition of groups.

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RESEARCHarXiv CS.CL·5/7/2026

Free Energy-Driven Reinforcement Learning with Adaptive Advantage Shaping for Unsupervised Reasoning in LLMs

FREIA is a novel reinforcement learning algorithm designed to enhance LLMs for unsupervised reasoning, addressing the lack of adaptability in existing methods. It employs Free Energy-Driven Reward (FER) to balance consensus and exploration, and Adaptive Advantage Shaping (AAS) to adjust learning signals. FREIA outperforms unsupervised baselines across various reasoning tasks, particularly in mathematical reasoning.

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