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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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118237355473 · Jun 202019922001200920182026
48 results for Open Challenges

Survey of AI in finance covering models, strategies, and knowledge systems.

problem Challenges in applying AI to financial markets, especially in high-frequency trading.
method Systematic analysis of financial AI across predictive models, decision frameworks, and knowledge augmentation systems.
result Critical trade-offs and gaps between theoretical advances and practical implementation in financial AI.

OpenViewer tackles multi-view learning challenges with interpretability and generalization.

problem Lack of interpretability and insufficient generalization in multi-view learning models.
method OpenViewer introduces a Pseudo-Unknown Sample Generation Mechanism, Expression-Enhanced Deep Unfolding Network, and Perception-Augmented Open-Set Training Regime.
result OpenViewer effectively addresses openness challenges and enhances recognition performance for both known and unknown samples.

ICLR 2021 challenge in computational geometry and topology attracted 16 teams.

problem Designing and evaluating computational methods in differential geometry and topology.
method Designing and hosting an open-source competition with repositories Geomstats and Giotto-TDA.
result 16 teams participated in the challenge, showcasing innovative contributions to computational geometry and topology.

Despite significant progress in object categorization, in recent years, a number of important challenges remain, mainly, ability to learn from limited labeled data and ability to recognize object classes within large, potentially open, set of labels. Zero-shot learning is one way of addressing these challenges, but it …

2016-04-24abs ↗pdf ↗

OwMatch improves open-world semi-supervised learning by self-labeling and consistency.

problem Misclassification of unseen classes in open-world semi-supervised learning.
method Conditional self-labeling and open-world hierarchical thresholding.
result OwMatch enhances performance across known and unknown classes.

Study examines risks of using non-verified open data for AI in India.

problem Risks of using non-verified open data for AI in resource-poor settings.
method Exploring challenges of using an open dataset from India to predict pregnancy outcomes.
result AI applications without proper understanding of metrics can lead to erroneous conclusions.

This paper reviews FSL for open-world learning, addressing uncertainties and dynamic conditions.

problem Adapting FSL for open-world settings with varying instances, classes, and distributions.
method Categorizes existing open-world FSL methods into three types and discusses their challenges and strengths.
result Standardized experimental settings and benchmarks for comparative analysis of methods.

OpenHAIV integrates OOD detection and incremental learning for open-world models.

problem Challenges in open-world recognition, especially in model knowledge updates and OOD detection.
method Unified pipeline combining OOD detection, new class discovery, and incremental fine-tuning.
result Models can autonomously acquire and update knowledge in open-world environments.

CGDL improves open set recognition by learning conditional Gaussian distributions.

problem Handling unknown samples in real-world recognition tasks.
method Conditional Gaussian Distribution Learning (CGDL) with probabilistic ladder architecture.
result CGDL significantly outperforms baseline methods on standard image datasets.

This work bridges continual learning, active learning, and open set recognition in deep neural networks.

problem Protecting previously acquired representations from catastrophic forgetting in deep neural networks.
method Surveying the literature and proposing a consolidated view to integrate open set recognition and active learning principles.
result Joint improvement in alleviating catastrophic forgetting, querying data, selecting task orders, and robust open world application.

New analysis shows uncertainty-based methods alone aren't enough for open set recognition.

problem Overcoming the challenge of recognizing out-of-distribution data.
method Comparing predictive uncertainty with extreme value theory and generative models.
result Generative model-based open set recognition outperforms other methods.

In earlier studies, the estimation of the volatility of a stock using information on the daily opening, closing, high and low prices has been developed; the additional information in the high and low prices can be incorporated to produce unbiased (or near-unbiased) estimators with substantially lower variance than the …

2008-04-01abs ↗pdf ↗

GC 2022 challenges real-time trend detection in financial tick data.

problem Efficiently detect trading trends in high-volume financial tick data.
method Real-time complex event processing of tick data, focusing on trend indicators and patterns.
result Participants must build reusable and practical solutions for real-life trading decisions.

Paper uses machine learning to evaluate financial simulations.

problem Quantify the realism of simulated financial time series.
method Machine learning classification of simulated vs real financial data.
result Improved simulation methods through competition results.

Fine-tuned open-source LLMs match or exceed closed-source models in social science research.

problem Limited scalability and high costs of large LLMs in social science research.
method Fine-tuning open-source models for specific tasks, exploring training set size effects, proposing hybrid workflow.
result Small, fine-tuned open-source LLMs achieve equal or superior performance to commercial alternatives.

Compressed sensing improves MRI scans with data-driven learning.

problem Challenges in applying compressed sensing from research to clinical practice.
method Data-driven learning to address challenges of hand-crafted priors, tuning parameters, and long reconstruction times.
result Compressed sensing can have greater clinical impact with data-driven learning.

Neural approach enhances AI trustworthiness, generalization, and robustness.

problem Challenges in explaining, generalizing, and adapting AI models to uncertain environments.
method Customized trustworthy networks, flexible learning regularizers, open-world recognition losses.
result Significant performance improvements across various open-world multimedia recognition scenarios.

Paper tackles open set domain adaptation with theoretical bounds and algorithms.

problem Improving model performance on target domain with unknown classes.
method Theoretical investigation and regularization of open set difference, leading to DAOD algorithm.
result Proposed learning bound and algorithm show superior performance compared to existing methods.

New maxfaces with catenoid or planar ends constructed using node-opening technique.

problem Lack of examples of maxfaces with catenoid or planar ends.
method Adapted node-opening technique to construct maxfaces of high genus.
result Singularities on constructed maxfaces form curves around the waists of the necks, with most singularities being cuspidal edges and the rest swallowtails.

Paper reviews intrinsic motivations and their role in open-ended learning.

problem Understanding intrinsic motivations and their role in open-ended learning.
method Defining intrinsic motivations, presenting psychological/neuroscientific and computational models.
result Links between psychological/neuroscientific and computational models of intrinsic motivations.

This paper benchmarks FinGPT for financial datasets using open-source large language models.

problem Challenges in integrating GPT-based models with financial datasets.
method Instruction Tuning paradigm for open-source large language models adapted for financial contexts.
result Demonstrates the effectiveness and adaptability of FinGPT in financial tasks.