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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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326597129 · Jun 202019922001200920182026
48 results for role discovery

The paper integrates statistical significance and discriminative power in pattern discovery.

problem Discovering actionable patterns that meet rigorous statistical significance and discriminative power criteria.
method Integrates statistical significance and discriminative power criteria into state-of-the-art algorithms.
result Improves discriminative power and statistical significance of discovered patterns without quality deterioration.

Paper proposes NAC for efficient network discovery in incomplete networks.

problem Efficiently discover vertices with specific attributes in incomplete networks.
method Formulates network discovery as a reinforcement learning problem, uses deep reinforcement learning with task-specific network embeddings.
result Offline planning leads to significantly improved performance compared to online discovery algorithms.

In this article we shall give an account of certain developments in knot theory which followed upon the discovery of the Jones polynomial in 1984. The focus of our account will be recent glimmerings of understanding of the topological meaning of the new invariants. A second theme will be the central role that braid the…

1993-04-01abs ↗pdf ↗

High-frequency traders can act as either small informed traders or round-trippers, affecting price discovery and liquidity.

problem Effects of high-frequency trading on price discovery and liquidity.
method Extended Kyle's model with interactions between large informed traders and high-frequency traders.
result High-frequency traders can act as Small-IT or Round-Tripper, impacting price discovery and liquidity.

Q-SAVI model improves drug discovery accuracy with prior knowledge of chemical space.

problem Challenges in drug discovery due to covariate shift and limited labeled data.
method Probabilistic model with domain-informed prior distributions over functions.
result Q-SAVI outperforms state-of-the-art techniques in predictive accuracy and calibration.

CDFM aims to unify causal discovery across diverse datasets.

problem Fragmented, test-driven causal discovery approaches struggle with modern data heterogeneity.
method CDFM is a unified, general-purpose framework using a variational decomposition of causal mechanisms.
result CDFM outperforms traditional algorithms across diverse datasets.

Theoretical model for iterative user discovery in recommender systems.

problem Iterative feedback loops in recommender systems and their biases.
method Theoretical framework to model system evolution and convergence properties.
result Theoretical bounds and convergence properties on user discovery and blind spots.

Automated digital twin discovery from biological data improves drug discovery and personalized medicine.

problem Developing reliable digital twins from noisy, incomplete biological data.
method Symbolic and sparse regression, Bayesian frameworks, deep learning, and large language models.
result Sparse regression generally outperforms symbolic regression, especially with Bayesian frameworks.

Paper presents new algorithms for causal discovery with latent variables and overlapping datasets.

problem Causal discovery with latent variables and overlapping datasets.
method Introduces tiered FCI and tIOD algorithms for constraint-based causal discovery.
result The tIOD algorithm is more efficient and informative than the IOD algorithm.

Framework uses proxy variables to detect causal relations between static entities.

problem Estimating cause-effect relations between static entities like art pieces and their copies.
method Introduces proxy variables to transform static entities into random variables, then applies observational causal discovery.
result Framework successfully detects 75% of causal relations in a human-elicited dataset of words.

ServeNet classifies web services without manual feature engineering.

problem Manual feature engineering limits the performance of conventional machine learning methods in web service classification.
method ServeNet uses a deep neural network to automatically abstract service names and descriptions into high-level features.
result ServeNet achieves higher accuracy and robustness in web service classification compared to other machine learning methods.

This paper tackles causal interactions in mixtures of DAGs using interventions.

problem Learning causal interactions among variables governed by a mixture of causal systems.
method Establishes necessary and sufficient conditions for intervention size, designs an adaptive algorithm.
result Identifies true edges in a mixture of DAGs using optimal or near-optimal interventions.

A new method optimizes material discovery by balancing exploration and exploitation.

problem Substantial experimental costs and lengthy development periods in material discovery.
method Threshold-Driven UCB-EI Bayesian Optimization (TDUE-BO) method.
result TDUE-BO significantly outperforms traditional BO methods in material discovery.

Paper proposes a new decision strategy for open set recognition.

problem Existing OSR methods are limited in recognizing unknown classes and setting decision thresholds.
method Introduces a collective decision-based OSR framework (CD-OSR) using Hierarchical Dirichlet process (HDP).
result CD-OSR can simultaneously implement open set recognition and new class discovery.

DE improves GNNs by distinguishing graph substructures, enhancing accuracy.

problem Limited expressive power of GNNs in representing graph substructures.
method Introduces Distance Encoding (DE) to assist GNNs in distinguishing graph substructures.
result DE distinguishes graph substructures that traditional GNNs cannot, improving accuracy.

This paper reviews causal inference methods for time series data.

problem Estimating treatment effects and identifying causal relations from time series data.
method Comprehensive review of approaches for treatment effect estimation and causal discovery.
result Provides a list of evaluation metrics and datasets for time series causal inference.

This paper uses LLMs for causal discovery with active learning and dynamic scoring to improve efficiency and fairness.

problem High computational demands and complexities of large-scale data in causal discovery.
method Metadata-based approach, BFS strategy, Active Learning, Dynamic Scoring Mechanism, LLM confidence scores.
result Significantly reduced number of queries and improved efficiency in causal graph construction.

Proposes a method to identify causal relationships using background knowledge.

problem Identifying causal relationships in the presence of background knowledge.
method Learning local structure using all types of causal background knowledge (direct, non-ancestral, ancestral). Criteria for identifying causal relationships based on local structure.
result Effective and efficient method for local structure learning and causal relationship identification.

Contextual Regression combines accuracy and interpretability for nonlinear data.

problem Accurate and interpretable modeling of nonlinear scientific data.
method Hybrid architecture of neural network embedding and dot product layer.
result High prediction accuracy and feature sensitivity demonstrated on simulated and real datasets.

New findings on Obata equation with Robin boundary conditions on manifolds.

problem Analyzing the Obata equation with Robin boundary conditions on manifolds.
method Investigation of the equation with Robin boundary condition fν+af=0\frac{\partial f}{\partial ν}+af=0 on manifolds with boundary.
result New manifolds for both positive and negative aa values were discovered.

This review explores the use of machine learning in discovering collective variables for biomolecular dynamics.

problem Understanding the conformational dynamics and molecular recognition in biomolecules.
method Statistical analysis of high-dimensional spatiotemporal data generated from molecular dynamics simulations.
result Machine learning algorithms can be used to discover abstract collective variables that describe biomolecular dynamics.

In the first part of this short article, we define a renormalized F-functional for perturbations of non-compact steady Ricci solitons. This functional motivates a stability inequality which plays an important role in questions concerning the regularity of Ricci-flat spaces and the non-uniqueness of the Ricci flow with …

2011-01-06abs ↗pdf ↗

Selection mechanisms impact market volatility in evolving markets.

problem Determining how selection mechanisms affect market volatility in evolving markets.
method Used a population of evolving zero-intelligence agents and a frequent batch auction price-discovery mechanism to analyze the role of selection mechanisms.
result Local fitness-proportionate selection mechanisms correlate with high correlation between risk-aversion and volatility, while quantile-based selection mechanisms show less correlation.

AnyThreat detects insider threats with minimal false positives.

problem High false positives in detecting insider threats.
method Opportunistic knowledge discovery system with four components: feature engineering, oversampling, class decomposition, and classification.
result Detects 87.5% of malicious insider threats with minimal false positives.

This paper introduces LR-FFS for robust feature screening in federated learning under label shift.

problem Label shift challenges in federated learning for high-dimensional classification.
method Unified feature screening framework, label-shift robust federated feature screening (LR-FFS), federated estimation procedure.
result LR-FFS outperforms existing methods in diverse client environments with varying class distributions, sample sizes, and missing data.

New insights into data geometry reveal manifold structure in grid-cell activity.

problem Understanding the roles of different dimensions in data geometry.
method Generalised Hanson-Wright inequality and random function model analysis.
result Persistence diagrams reveal latent homology and manifold structure.

New method disentangles mixed interventional and observational data in SEMs.

problem Learning causal relationships from mixed interventional and observational data.
method Developed a method to disentangle mixed interventional and observational data in linear SEMs with Gaussian noise.
result The method can identify causal graphs up to their interventional Markov Equivalence Class.

Differentiable causal discovery methods perform robustly under model violations.

problem Causal discovery algorithms struggle with real-world data due to unverifiable causal assumptions.
method Benchmarked differentiable causal discovery methods under eight model assumption violations.
result Differentiable causal discovery methods exhibit robust performance under Structural Hamming Distance and Structural Intervention Distance metrics.