Research
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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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12.5%25.0%37.5%50.0% · Sep 199319922001200920172026
48 results for severity monitoring

Research explores unsupervised methods for detecting vessel behavior changes in real-time data streams.

problem Detecting shifts in vessel behavior for maritime traffic monitoring.
method Investigates unsupervised and semi-supervised change detection methods.
result Identifies shifts in vessel behavior for unusual events detection.

The method and characteristics of several approaches to the pricing of discretely monitored arithmetic Asian options on stocks with discrete, absolute dividends are described. The contrast between method behaviors for options with an Asian tail and those with monitoring throughout their lifespan is emphasized. Rates of…

2017-02-03abs ↗pdf ↗

Deep learning improves material recognition in construction monitoring.

problem Varying illuminations and low accuracy rates in material classification.
method Deep learning methods, including convolutional neural networks, were used to classify and recognize materials in construction sites.
result Achieved 97.35% accuracy rate for material classification.

A monitoring procedure improves machine learning forecasts for digital platforms.

problem Maintaining accurate and stable forecasts for data streams at digital platforms.
method Developed a monitoring procedure to determine when to retrain machine learning algorithms.
result Monitor-based retraining produces accurate forecasts compared to benchmarks.

One of the primary aspects of sustainable development involves accurate understanding and modeling of environmental phenomena. Many of these phenomena exhibit variations in both space and time and it is imperative to develop a deeper understanding of techniques that can model space-time dynamics accurately. In this pap…

2018-04-27abs ↗pdf ↗

Paper discusses ASD challenge for machine condition monitoring.

problem Detecting unknown anomalous sounds without labeled data.
method Design and evaluation of a large-scale ASD dataset, novel approaches.
result Several novel approaches developed, evaluation results analyzed.

Work addresses long-term accuracy issues in IoT air quality sensors.

problem Limited accuracy of IoT air quality sensors in long-term field deployments.
method Adaptive machine learning strategies for network calibration.
result Prolongs the validity of multisensor calibration models for continuous learning.

The paper introduces metrics to evaluate NILM algorithms' performance on unseen buildings.

problem Assessing NILM algorithms' performance on new, unseen buildings.
method Developed several metrics to evaluate NILM algorithms' generalization ability.
result Demonstrated the utility of the proposed metrics through two case studies.

AnomalyCD discovers anomaly causes in large systems with binary flags, reducing computational burden.

problem Learning graphical causal models from large-scale binary anomaly data is computationally expensive.
method AnomalyCD uses anomaly data-aware causality testing, sparse data compression, and edge pruning.
result AnomalyCD reduces computation overhead and improves accuracy on binary anomaly datasets.

Paper quantifies uncertainties in EIS spectra of SOFCs, proposing VB method for online monitoring.

problem Distortions in EIS spectra due to disturbances, drifts, and sensor noise.
method Proposes variational Bayes (VB) method for quantifying spectral uncertainty in EIS of SOFCs.
result VB method provides approximate distributions of ECM parameters with low computational load.

L-HNNs improve Bayesian inference by reducing gradient requirements and improving ESS.

problem Efficient Bayesian inference with complex target densities.
method Latent Hamiltonian Neural Networks (L-HNNs) with NUTS, incorporating online error monitoring.
result L-HNNs in NUTS with online error monitoring required 1--2 orders of magnitude fewer numerical gradients and improved ESS by an order of magnitude.

AI systems that explain their decisions can be monitored for harmful intentions.

problem Monitoring AI systems' decision-making processes for harmful intentions is imperfect and can miss some misbehavior.
method Monitoring the chain of thought (CoT) of AI systems that communicate in human language.
result CoT monitoring is a promising but fragile approach to AI safety.

AirRL uses RL to infer urban air quality from selected stations.

problem Inferring fine-grained urban air quality from limited monitoring stations.
method Reinforcement learning model with a dynamic station selector and air quality regressor.
result AirRL achieves highest performance in air quality inference experiments.

This study uses smartphone data to predict when mood interventions are needed for bipolar disorder.

problem Chronic mental illness with extreme mood changes that lead to personal or social consequences.
method Anomaly detection framework using Temporal Normalization to predict mood anomalies from natural speech data.
result A framework for real-world speech-focused mood monitoring using deep learning.

Study adapts OHLC volatility estimators for monitoring market stress in diverse settings.

problem Limited use of range-based volatility estimators in local commodity markets.
method Adapted OHLC volatility estimators to monitor market distress across various contexts.
result OHLC-based volatility indicators detect market disruptions missed by standard momentum indicators.

A novel ensemble classifier improves vibration-based quality monitoring accuracy.

problem Developing high accuracy classification methods for general datasets.
method Dempster-Shafer theory of evidence with three remedies for conflicting evidences.
result The proposed ensemble classifier outperforms state-of-the-art fusion techniques.

Deep learning detects Parkinson's disease severity from wearable data.

problem Measuring Parkinson's disease severity from accessible biomarkers.
method Developed and evaluated deep learning models on sensor data from wearable devices.
result Deep learning models outperform classical machine learning models in classifying Parkinson's disease severity.

Paper proposes a GAN-based method for better next event prediction in business processes.

problem Insufficient training data and sub-optimal network configuration limit deep learning approaches to next event prediction.
method Adversarial training framework using Generative Adversarial Networks (GANs) for sequential temporal data.
result The proposed approach achieves at least as good accuracy as non-adversarial methods and outperforms them in accuracy and prediction earliness.

NMF identifies hidden component processes from thermal manufacturing data.

problem Thermal manufacturing processes with many interacting parameters are hard to diagnose.
method Non-negative matrix factorization guided by a knowledge-based initialization strategy.
result Identifies physical meaningful sources from temperature time series.

The paper improves neural network predictions by integrating process knowledge.

problem Improving neural network predictions for process execution data.
method Integrates background process knowledge into neural networks with attention mechanisms.
result Improves prediction accuracy for process execution data.

This research tackles monitoring machine learning algorithms post-deployment, addressing performativity issues.

problem Monitoring machine learning algorithms after deployment, especially when they affect their own data-generating process.
method Uses causal inference techniques to navigate performativity and compares different monitoring criteria and data sources.
result Different monitoring systems have varying operating characteristics and implications for ML monitoring design.

Study finds RNNs predict STBG better than ARIMA, useful for diabetes patients.

problem Improving short-term blood glucose prediction for diabetes management.
method Investigated Recurrent Neural Networks (RNNs) and compared them to ARIMA for STBG prediction.
result Population-based RNN model outperforms ARIMA across various prediction horizons.

Adaptive activity monitoring framework for wearable sensors.

problem Efficiently monitor human activities with low power consumption.
method Switching Gaussian process model with block circulant embedding and FFT for inference.
result Optimized trade-off between sensor power consumption and prediction performance.

Researchers develop a machine learning model to improve smell perception for food quality monitoring.

problem Limited data in target domain makes it hard to accurately classify food quality.
method Weakly supervised domain adaptation framework using multiple models in supervised and unsupervised settings.
result The approach generalizes well from one domain to another, improving food quality classification.

PITMonitor monitors model calibration over time with formal error guarantees.

problem Fixed-sample tests applied to models over time can lead to false alarms.
method PITMonitor uses mixture e-processes to detect distributional shifts in probability integral transforms.
result PITMonitor achieves competitive detection rates on river's FriedmanDrift benchmark.

A new method monitors unstructured 3D shapes without registration.

problem Error-prone registration and mesh reconstruction steps in PCD monitoring.
method Intrinsic geometric properties of shapes, using Laplacian and geodesic distances.
result Effective monitoring of defects without registration and mesh reconstruction.

IDS algorithm optimizes sequential decisions in various monitoring settings.

problem Optimizing sequential decisions in complex monitoring scenarios.
method Information-directed sampling (IDS) algorithm for linear partial monitoring.
result IDS achieves nearly worst-case rate optimality in finite-action games.

Focuses on monitoring and explaining models in real-world applications.

problem Ensuring high quality machine learning services in production environments.
method Statistical techniques for model performance and data monitoring, explanations of predictions.
result Challenges and solutions for implementing monitoring and explanation in production models.

Early stopping methods reduce unnecessary reasoning steps in LLMs by monitoring uncertainty signals.

problem LLMs sometimes generate unnecessary reasoning steps, especially under uncertainty.
method Statistically principled early stopping methods that monitor uncertainty signals during generation.
result Uncertainty-aware early stopping improves efficiency and reliability in LLM reasoning, especially in math reasoning.

In recent times, the manufacturing processes are faced with many external or internal (the increase of customized product rescheduling , process reliability,..) changes. Therefore, monitoring and quality management activities for these manufacturing processes are difficult. Thus, the managers need more proactive approa…

2018-04-05abs ↗pdf ↗