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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.

169,341 papers · 148 categories

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67133200266 · Jun 202019922001200920182026
48 results for event labels

A new method detects epileptic events in EEG signals by integrating labeler categories.

problem Human oversight of brief epileptic events in EEG signals leads to inaccurate diagnoses.
method Integrates EEG signal features with one-hot encoded labeler categories for improved detection.
result The method outperforms consensus-trained detectors and maintains confidence bounds.

Self-supervised attention model improves weakly labeled audio event classification.

problem Efficiently classify audio events with minimal labeled data.
method Develops a self-supervised attention model for weakly labeled audio clips.
result Self-supervised attention model performs comparably to strongly supervised model trained with strong labels.

Unified detection of isolated and overlapping audio events using CNN-RNN.

problem Detecting both isolated and overlapping audio events simultaneously.
method Multi-label multi-task framework based on CNN-RNN, with sequential losses.
result Good generalization on isolated and overlapping audio event detection datasets.

New method detects TC imagery patterns for rapid intensity change.

problem Detecting upcoming rapid intensity changes in TC satellite imagery.
method Nonparametric test of association between images and event labels using neural networks and bootstrap.
result Identifies archetypes of infrared imagery associated with elevated rapid intensification risk.

Extract real-world events from sensor data with minimal labels.

problem Challenges in extracting value from sensor-generated time series data.
method Identify features repeating in same temporal arrangement to isolate examples of real-world events.
result Up to 96% precision and recall in isolating diverse events like human actions and spoken words.

Simple tabular event prediction model outperforms existing methods.

problem Predicting events from tabular data with historic events.
method Standard autoregressive LLM-style transformers with elementary positional embeddings and causal language modeling.
result Simple model outperforms existing approaches across various datasets and use-cases.

Paper tackles domain adaptation for crisis event classification using adversarial and graph embeddings.

problem Classifying social media posts during a crisis event with limited labeled data.
method Adversarial learning for domain adaptation and graph-based semi-supervised learning.
result Significant improvements over baselines in classifying crisis event posts.

RED-2400 is a public benchmark of trading events from a Solana exchange, labeled by algorithmic rejection.

problem Analyzing algorithmically-rejected trading events for insights into market dynamics.
method Public dataset of 6,660 algorithmically-rejected trading events, linked to post-rejection price and liquidity trajectories.
result First window of a planned series of datasets extending the time horizon and enabling regime-stratified analysis.

Method trains deep neural networks on weakly labeled audio data efficiently.

problem Limited training data and lack of temporal labels for audio event detection.
method Multi-instance learning with a new loss function for stacked CNN-RNN.
result Improved performance on low-resource audio datasets.

Paper proposes a new trading strategy using corporate event detection from news articles.

problem Predicting stock movements based on corporate events from news articles.
method Bi-level event detection model: low-level for token-level event identification, high-level for article-level event identification.
result The proposed strategy outperforms existing models in stock prediction metrics.

Study shows pre-event L2 liquidity state predicts crypto futures liquidity better than event labels.

problem Understanding how crypto futures liquidity changes over time.
method Combining L2 order book data, trade-flow records, and macro-event windows to define discrete liquidity-state transitions and evaluate models.
result Pre-event L2 liquidity state predicts post-event liquidity regimes better than event labels, and order flow adds value only when layered on top of the state model.

Adaptive pooling operators improve sound event detection with weak labels.

problem Efficiently label audio recordings with weakly annotated sound sources.
method Developed adaptive pooling operators for multiple instance learning.
result Adaptive pooling operators outperform non-adaptive methods on static predictions and nearly match strong annotations.

A method for semi-supervised sound event detection using teacher-student learning.

problem Weakly-labeled data in sound event detection.
method Guided Learning with a teacher model for audio tagging and a student model for boundary detection.
result The method improves boundary detection performance using unlabeled data.

Study uses LLMs to categorize financial tweets, revealing useful sentiment signals.

problem Discovering meaningful sentiment signals from unstructured financial social media data.
method Leveraged LLMs to automatically label financial tweets with event categories and aligned with returns.
result Certain event labels consistently yield negative alpha, with statistically significant Sharpe ratios and information coefficients.

Paper tackles learning time series models from noisy timestamps.

problem Learning time series detection models from temporally imprecise labels.
method Proposes a general learning framework accommodating different base classifiers and noise models.
result Significantly outperforms alternatives on real mobile health data.

Bayesian Neural Networks detect gravitational wave events with high accuracy and real-time potential.

problem Detecting and identifying the full duration of compact binary coalescence events in gravitational wave data.
method Integrating Bayesian approach into a CLDNN classifier that combines CNN and LSTM for event detection and uncertainty estimation.
result Successfully detected all seven BBH events in LIGO Livingston O2 data with high accuracy.

Novel semi-supervised method for online structure learning in noisy data streams.

problem Discovering complex relations in noisy data streams with limited labelled data.
method Combines graph-cut minimization and first-order logic for online, single-pass label completion.
result Improves accuracy of structure learning system by completing missing labels.

Dataset for rare event prediction in industrial multivariate time series.

problem Building a model to predict rare events in a multivariate time series dataset.
method The dataset is used to build a classification model for early prediction of rare events.
result The dataset can be used for various types of models including classification and exploration.

New deep learning method handles rare and imbalanced events in time series.

problem Challenges in event detection in time series data, especially rare and imbalanced events.
method Supervised regression-based deep learning approach that handles various types of events.
result Superior performance across diverse domains, particularly for rare events and imbalanced datasets.

Proposes a method to predict stock movements using fine-grained events from finance news.

problem Lack of specific semantic information in coarse-grained events for stock movement prediction.
method Built a finance event dictionary, extracted fine-grained events, combined with stock trade data, and used distant supervision for training.
result Method outperforms all baselines and shows good generalizability.

UNHaP removes noise from physiological events using Hawkes processes.

problem Challenges in identifying true events from spurious ones in physiological signal analysis.
method UNHaP uses marked Hawkes processes to distinguish and unmix true events from noise.
result UNHaP significantly reduces false detection rates and enhances event understanding.

The paper presents a method for sound event localization and detection using CRNN models.

problem Sound event localization and detection in complex environments.
method Consecutive ensemble of CRNN models for estimating event onset, offset, direction of arrival, and classification.
result The proposed method outperforms other participants in the DCASE2019 task3.

An unsupervised neural network learns event truths from social network data.

problem Estimating event truths from conflicting opinions in social networks.
method Autoencoder learns relationships, Bayesian network models agent reliability and social relationships, variational inference estimates hidden variables and parameters.
result The approach outperforms state-of-the-art methods on real datasets.

A dataset and model for semi-supervised extreme weather detection and analysis.

problem Detecting and identifying extreme weather events in large-scale climate simulations.
method Multichannel spatiotemporal CNN architecture for semi-supervised bounding box prediction and exploratory data analysis.
result The model leverages temporal information and unlabeled data to improve the localization of extreme weather events.

New method improves crowd counting accuracy using inverse k-NN maps and multiscale upsampling.

problem Improving accuracy of crowd density maps for high-density gatherings.
method Developed MUD-ikkNN architecture using inverse k-NN maps and multiscale upsampling.
result New network architecture outperforms state-of-the-art crowd counting.

Neural networks improve clinical note representations for predictive modeling.

problem Challenges in using clinical notes for machine learning due to high dimensionality, sparsity, and scarcity of labeled data.
method Used neural networks and transfer learning to learn representations of clinical notes.
result Neural network representations significantly outperformed baseline representations in predictive models.

Paper tackles fault classification in time series data with deep neural networks.

problem Fault classification over a future horizon in multidimensional time series data with class imbalances.
method Proposes a multi-label recurrent neural network with a new cost function to address class imbalances.
result The proposed algorithm outperforms state-of-the-art techniques in F1-score, precision, and recall.

Deep learning and active learning improve survival analysis for prostate cancer treatment recommendations.

problem Building accurate survival models from high-dimensional, sparse, and complex clinical data.
method Deep active survival analysis framework using labeled and unlabeled instances, active learning with oracle.
result Our approach outperforms baseline models in prostate cancer treatment recommendation.