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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.

168,786 papers · 148 categories

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0.3%0.5%0.8%0.3% · Oct 201619922001200920172026
33 results for self-learning

Paper proposes a self-learning framework for reject inference in credit scoring.

problem Sample bias in credit scoring models due to training on accepted cases only.
method Develops a self-learning framework considering distinct training regimes for iterative labeling and model training, introduces a new evaluation measure.
result Demonstrates the superiority of the adjusted self-learning framework over regular self-learning and previous reject inference strategies.

The goal of semi-supervised learning is to improve supervised classifiers by using additional unlabeled training examples. In this work we study a simple self-learning approach to semi-supervised learning applied to the least squares classifier. We show that a soft-label and a hard-label variant of self-learning can be…

2016-10-12abs ↗pdf ↗

In statistical modelling the biggest threat is concept drift which makes the model gradually showing deteriorating performance over time. There are state of the art methodologies to detect the impact of concept drift, however general strategy considered to overcome the issue in performance is to rebuild or re-calibrate…

2018-10-07abs ↗pdf ↗

Paper reproduces and enhances a method for cross-lingual word embeddings.

problem Creating robust cross-lingual mappings of word embeddings without supervision.
method Reproduces and enhances a self-learning method with grid search for hyperparameters.
result Model's robustness is demonstrated across four new languages.

Scalable Bayesian sampling is playing an important role in modern machine learning, especially in the fast-developed unsupervised-(deep)-learning models. While tremendous progresses have been achieved via scalable Bayesian sampling such as stochastic gradient MCMC (SG-MCMC) and Stein variational gradient descent (SVGD)…

2018-11-21abs ↗pdf ↗

This research introduces an autonomous robot navigation method using reinforcement learning.

problem Improving robot navigation in complex environments.
method Deep Q Network (DQN) and Proximal Policy Optimization (PPO) models for path planning and decision-making.
result The models enhance robot navigation ability and adaptive learning in unknown environments.

The paper investigates how class mean vectors enhance neural network classification.

problem Improving neural network performance in classification tasks.
method Exploring the role of class mean vectors in neural networks, including direct computation of weights, performance monitoring, and self-training.
result Empirical evidence suggests that using class mean vectors can significantly improve neural network performance on classification tasks.

Throughout music history, theorists have identified and documented interpretable rules that capture the decisions of composers. This paper asks, "Can a machine behave like a music theorist?" It presents MUS-ROVER, a self-learning system for automatically discovering rules from symbolic music. MUS-ROVER performs feature…

2016-06-17abs ↗pdf ↗

A fast deep learning method for parallel MRI without calibration.

problem Calibration issues in parallel MRI reconstruction.
method Model-based deep learning, self-learning non-linear annihilation filters, Fourier domain pre-learning.
result Significantly faster than SLR methods (3 orders of magnitude), improved performance with spatial domain prior.

SORSCNs improve nonstationary data modeling by self-organizing and adjusting network parameters.

problem Nonstationary data challenges traditional models in continuous learning.
method SORSCNs autonomously adjust network parameters and structure in real-time using adaptive algorithms.
result SORSCNs outperform other models in generalizing to nonstationary data.

Two new methods improve graph embedding without needing a complete graph structure.

problem Graph autoencoders' performance depends on the adjacency matrix quality.
method BAGE and VBAGE: unsupervised graph embedding via adaptive graph learning.
result The methods expand GAEs' applicability to datasets without graph structure.

The soaring demand for intelligent mobile applications calls for deploying powerful deep neural networks (DNNs) on mobile devices. However, the outstanding performance of DNNs notoriously relies on increasingly complex models, which in turn is associated with an increase in computational expense far surpassing mobile d…

2018-11-13abs ↗pdf ↗

This paper reviews deep learning for multi-modality medical image segmentation.

problem Improving segmentation accuracy in medical images using multiple modalities.
method Overview of deep learning and multi-modal medical image segmentation, analysis of different network architectures and fusion strategies.
result Later fusion of modalities can lead to more accurate segmentation results.

FTTQ optimizes quantized networks in federated learning, reducing communication costs.

problem Redundant parameters in full-precision models lead to excessive communication costs in federated learning.
method FTTQ algorithm that optimizes quantized networks on clients through self-learning quantization factors.
result FTTQ reduces communication costs and can achieve slightly better performance on non-IID data.

The paper tackles sampling bias in credit scoring models and proposes methods to improve their training and evaluation.

problem Sampling bias in credit scoring models leads to an incomplete representation of the borrower population.
method Bias-aware self-learning framework and Bayesian evaluation method to correct for bias.
result Bayesian evaluation outperforms standard accuracy measures in predicting future performance.

An innovative method optimizes engine calibration to improve efficiency and reduce emissions.

problem Complex engines with many tunable parameters require efficient calibration methods.
method Combines Principal Component Decomposition with constrained Bayesian Optimization to minimize pressure curve deviation.
result Optimal engine calibration found after 64.4s with a 0.017% efficiency gain.

Inspector Gadget uses crowdsourcing and data programming to label industrial images efficiently.

problem Securing enough labeled data for machine learning in industrial settings.
method Combines crowdsourcing, data augmentation, and data programming.
result Obtains better performance than other weak-labeling techniques.