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📄 arXiv Machine Learning

EmergentTTS-Eval: Evaluating TTS Models on Complex Prosodic, Expressiveness, and Linguistic Challenges Using Model-as-a-Judge

Researchers have developed EmergentTTS-Eval, a new automated benchmark for evaluating TTS systems on complex and nuanced text scenarios, including emotions, foreign words, and complex pronunciations, by generating diverse test cases with LLMs. Using a Large Audio Language Model as a judge, the framework assesses multiple speech quality dimensions, revealing fine-grained performance differences among state-of-the-art TTS models and correlating well with human preferences.

Research
📄 arXiv Machine Learning

Equivariant Spherical Transformer for Efficient Molecular Modeling

The paper introduces the Equivariant Spherical Transformer (EST), a novel framework that enhances the expressiveness of SE(3)-equivariant Graph Neural Networks by integrating Transformer architecture within the Fourier-transformed group representation space. Empirical results on molecular benchmarks like OC20 and QM9 show that EST achieves state-of-the-art performance, overcoming limitations of previous tensor product-based convolutions.

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Research
📄 arXiv Machine Learning

FlashFormer: Whole-Model Kernels for Efficient Low-Batch Inference

The paper introduces FlashFormer, a specialized kernel designed to accelerate single-batch inference for transformer-based large language models, addressing the needs of low-batch, latency-sensitive applications like edge deployment. It demonstrates significant speedups over existing inference kernels across different model sizes and quantization settings, highlighting its potential for improving efficiency in real-world scenarios.

Transformers
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Research
📄 arXiv Machine Learning

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A new method called FSL-SAGE is proposed to improve federated split learning by estimating server gradients through auxiliary models, reducing communication costs and client memory needs while maintaining convergence rates comparable to FedAvg. This approach outperforms existing state-of-the-art methods in both efficiency and accuracy, addressing limitations of traditional federated and split learning techniques.

research machine-learning
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Research
📄 arXiv Machine Learning

Gradient Boosting Decision Tree with LSTM for Investment Prediction

A hybrid ensemble framework combining LSTM networks with LightGBM and CatBoost significantly enhances stock price prediction accuracy by 10-15% over individual models, effectively capturing market dynamics. The approach integrates multiple machine learning techniques and benchmarks performance across various metrics, demonstrating the potential of ensemble methods for financial forecasting.

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Research
📄 arXiv Machine Learning

Hybrid Cross-domain Robust Reinforcement Learning

The paper introduces HYDRO, a novel Hybrid Cross-Domain Robust RL framework that combines limited offline data with online simulation to improve policy robustness amid environment uncertainties. HYDRO employs uncertainty filtering and prioritized sampling to minimize performance gaps between simulators and real-world models, demonstrating superior sample efficiency and performance across various tasks.

Research
📄 arXiv Machine Learning

Learning to Search for Vehicle Routing with Multiple Time Windows

Researchers developed RL-AVNS, a reinforcement learning-enhanced adaptive variable neighborhood search method for solving the Vehicle Routing Problem with Multiple Time Windows, outperforming traditional heuristics in solution quality and efficiency. The approach uses a transformer-based neural policy network to dynamically select neighborhood operators, demonstrating strong generalization to unseen instances and practical applicability in complex logistics scenarios.

Transformers
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