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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,051 papers · 148 categories

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115230345460 · Jun 202019922001200920182026
48 results for Automatic classification

Classifies when homeomorphism groups of stable surfaces have automatic continuity.

problem Determining when homeomorphism groups of stable surfaces are continuous.
method Developed a general framework to prove automatic continuity for homeomorphism groups, applied to stable surfaces and Stone spaces.
result Classification of stable surfaces with respect to automatic continuity of their homeomorphism groups.

New system for automatic music emotion recognition considers multiple emotions simultaneously.

problem Automatic recognition of simultaneous and multiplicity of emotions in music.
method Comparison of multilabel and multiclass machine learning algorithms on the Emotify dataset.
result The Geneva Emotional Music Scale 9 is adopted for multilabel and multiclass classification of music emotions.

Generative adversarial network system improves ECG arrhythmia classification.

problem Improving automatic ECG arrhythmia classification accuracy.
method Generative adversarial network with patient-specific normal beats and generated abnormal beats.
result Superior overall classification performance for SVEB and VEB on MIT-BIH arrhythmia database.

Automates graph convolutional network design for semi-supervised node classification.

problem Designing optimal graph convolutional network architectures for semi-supervised node classification.
method An automatic process to define a problem-specific architecture based on graph structure.
result The proposed method outperforms existing methods in classification performance and network compactness.

Paper develops a BERT-based classifier to reduce pathology report annotation workload.

problem Manual annotation of pathology reports is labor-intensive and time-consuming.
method Developed an automatic text classifier using BERT and introduced a human-centric metric to identify low-confidence cases.
result The model reduces manual annotation workload by 80% to 98%.

RobustSleepNet automates sleep stage classification for any PSG montage.

problem Manual sleep staging is tedious and expensive; automatic methods are limited by PSG montage and demographic differences.
method RobustSleepNet is a deep learning model that handles arbitrary PSG montages and is robust to demographic changes.
result RobustSleepNet achieves 97% F1 score on unseen data, outperforming specific training datasets by 2%.

Dilated CNN improves multivariate time series classification.

problem Multivariate time series classification.
method Transformed multivariate time series into image-like style, applied dilated and strided convolutions.
result Automatic features extracted by dilated CNN are as effective as hand-crafted features.

Automatically identifies RRLyrae stars from VVV survey data.

problem Classifying RRLyrae stars from a large dataset of light curves.
method Developed an automatic ML-based procedure to identify RRLs, using features like period and intensity, and pseudo-colors.
result Constructed an ensemble classifier with Recall of 0.48 and Precision of 0.86 over 15 tiles.

Classifies surfaces for pure mapping class groups with automatic continuity.

problem Determining surfaces for which pure mapping class groups have automatic continuity.
method Completely classified orientable infinite-type surfaces and specific cases of surfaces with finite ends.
result Classification of surfaces for automatic continuity of pure mapping class groups.

Deep learning improves automatic modulation classification from subsampled data.

problem Automatic recognition of wireless communication signal modulations from imperfect data.
method Developed and tested Convolutional Long Short-term Deep Neural Network (CLDNN), LSTM, and ResNet architectures.
result Achieved high classification accuracy (around 90%) at high SNR with minimal training data.

Automatically learns flexible symmetry constraints in neural networks using gradients.

problem Fixed hard constraints on neural network functions that cannot be adapted.
method Improves parameterisations of soft equivariance and optimizes marginal likelihood using differentiable Laplace approximations.
result Achieves equivalent or improved performance on image classification tasks compared to baselines with hard-coded symmetry.

DAL uses disentanglement for automatic labeling in GAN-based active learning.

problem Reducing human labeling in GAN-based active learning.
method DAL leverages disentanglement in InfoGAN to automatically label datapoints, deciding human labeling based on disagreement with InfoGAN labels and label correction.
result DAL achieves better performance than existing GAN-based active learning approaches on image classification tasks.

Automatically learns optimal data augmentation for image classification.

problem Finding optimal data augmentation hyperparameters is computationally demanding and requires domain knowledge.
method Proposes an online bilevel optimization framework to learn data augmentation parameters directly.
result Jointly trained method achieves comparable or better classification accuracy than hand-crafted data augmentation without an external validation loop.

Automated smoothing does not significantly improve time series classification performance.

problem Improving time series classification algorithms using automated smoothing methods.
method Assessed six smoothing algorithms (moving average, exponential, etc.) on three benchmark classifiers.
result No significant improvement in performance over unsmoothed data.

We present an automatic classification method for astronomical catalogs with missing data. We use Bayesian networks, a probabilistic graphical model, that allows us to perform inference to pre- dict missing values given observed data and dependency relationships between variables. To learn a Bayesian network from incom…

2013-10-29abs ↗pdf ↗

Nontrivial connectivity has allowed the training of very deep networks by addressing the problem of vanishing gradients and offering a more efficient method of reusing parameters. In this paper we make a comparison between residual networks, densely-connected networks and highway networks on an image classification tas…

2017-11-28abs ↗pdf ↗

Paper proposes a deep learning method for automatic seizure detection.

problem Manual seizure identification is time-consuming, labor-intensive, and error-prone.
method Leverages attention mechanism and BiLSTM to capture spatial and temporal features.
result Average sensitivity, specificity, and precision of 87.00%, 88.60%, and 88.63% respectively.

Prototype learns automotive industry ontology from unstructured data.

problem Automatic learning of domain-specific ontologies from unstructured text data.
method Two-stage classification system: first classifier for concepts and irrelevant collocates, second classifier for concept types.
result Prototype validated with automotive industry complaint and repair data.

Paper improves reproducibility of AD classification using diffusion MRI.

problem Difficulty in comparing and reproducing classification performance of AD studies using diffusion MRI.
method Extended a framework to ADNI data, including preprocessing and feature extraction. Used non-nested validation and compared different components.
result Diffusion MRI features can achieve comparable performance to T1w MRI, with proper feature selection and validation methods.

Maps are an important medium that enable people to comprehensively understand the configuration of cultural activities and natural elements over different times and places. Although massive maps are available in the digital era, how to effectively and accurately access the required map remains a challenge today. Previo…

2018-05-26abs ↗pdf ↗

This paper discovers classification models from sequential data without prior knowledge.

problem Lack of prior knowledge in defining kernels for online classification.
method Adapts GP-based time-series structure discovery with SMC to learn new features from sequential data.
result Improves classification accuracy by 10% on real-world data.

Optimized CNNs for AMC on edge devices reduce complexity without sacrificing accuracy.

problem Developing efficient DL models for AMC on resource-constrained edge devices.
method Pruning, quantization, and knowledge distillation techniques applied to CNNs.
result Optimized models maintain or improve AMC accuracy with reduced complexity.

Proposes a method to train neural networks that solve differential equations faster.

problem Training neural networks that solve differential equations becomes computationally expensive.
method Introduces a differentiable surrogate for numerical solver time cost using higher-order derivatives.
result Trains models that are faster to solve while maintaining nearly the same accuracy.

Auto-CASH uses Deep Q-Network to automatically select machine learning algorithms.

problem Automatic selection of machine learning algorithms and hyperparameters.
method Pre-trained model based on meta-learning using Deep Q-Network.
result Auto-CASH achieves better performance with shorter time compared to classical and state-of-the-art methods.

Semi-automatic data annotation helps experts label unlabeled samples based on feature space projection.

problem Laborious manual data annotation for machine learning.
method Interactive semi-automatic approach using feature space projection and semi-supervised learning.
result Reduces user annotation effort and improves classification accuracy.

MLtuner automatically tunes settings for training tunables (such as the learning rate, the momentum, the mini-batch size, and the data staleness bound) that have a significant impact on large-scale machine learning (ML) performance. Traditionally, these tunables are set manually, which is unsurprisingly error-prone and…

2018-03-20abs ↗pdf ↗

GraphNAS uses reinforcement learning to automatically design graph neural network architectures.

problem Designing effective graph neural network architectures requires manual work and domain knowledge.
method GraphNAS generates variable-length strings to describe architectures and trains a recurrent network with reinforcement learning to maximize validation accuracy.
result GraphNAS achieves consistently better performance on various citation and protein networks.