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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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155310465620 · Jun 202019922001200920182026
48 results for state discovery

Develops a new method to discover causal relationships from nonstationary time series data.

problem Challenges in inferring causal relationships from observational data, especially for nonstationary time series.
method State-Dependent Causal Inference (SDCI) for conditionally stationary time series.
result SDCI can recover underlying causal dependencies with provable identifiability for state-dependent causal structures.

EDL discovers state-covering skills without relying on task rewards.

problem Discovering skills in reinforcement learning without a task-oriented reward function.
method EDL optimizes information-theoretic objective using different machinery to address coverage problem.
result EDL discovers state-covering skills more effectively than existing methods.

Scheme for online state discovery in financial markets using feature correlations and clustering.

problem Discovering temporal states in high-frequency financial data without human intervention.
method Unbiased Fourier estimator for feature correlations, high-speed clustering algorithm, state space enumeration.
result Feature cluster configuration is a candidate for system state representation.

The paper tackles causal discovery and forecasting in nonstationary environments using state-space models.

problem Challenges in identifying causal relations and forecasting in nonstationary time series.
method Exploiting a particular type of state-space model to represent nonstationary processes, allowing changes in causal strengths and noise variances.
result Nonstationarity helps identify causal structure and improves forecasting.

Unified kernel-based methods improve nonlinear causal discovery.

problem Identifying nonlinear causal relationships between time series variables.
method Unified Kernel Principal Component Regression (KPCR) and Gaussian Process score-based model with Smooth Information Criterion.
result Improved performance in time series nonlinear causal discovery.

LCD improves causal discovery in high-dimensional gene data.

problem Predicting causal effects in large-scale gene expression data.
method Local Causal Discovery (LCD) with practical estimators, ICP algorithm inspiration, preselection method, and statistical tests.
result LCD estimator closely matches ICP's accuracy but is simpler and faster.

DESMILES uses deep learning to improve drug discovery by optimizing molecule properties.

problem Improving the efficiency and accuracy of drug discovery through better molecular design.
method DESMILES is a deep neural network model that optimizes molecular properties for drug discovery.
result DESMILES achieved a 77% lower failure rate in modifying molecules to inhibit the dopamine receptor D2 compared to state-of-the-art models.

MO2 learns useful behaviours from past experience for new tasks.

problem Discovering useful behaviours from past experience and transferring them to new tasks.
method Model-Based Offline Options (MO2) framework supporting sample-efficient bottleneck option discovery over continuous state-action spaces.
result MO2 outperforms recent option learning methods on complex long-horizon continuous control tasks.

Successor Options discovers reusable skills using landmark states.

problem Discovering reusable skills in reinforcement learning.
method Leverages Successor Representations to build a state space model and learns intra-option policies using a novel pseudo-reward.
result Demonstrates the approach's efficacy on grid-worlds and high-dimensional robotic control environments.

Paper discovers structural dynamics equations from only acceleration data.

problem Discovering equations from only acceleration measurements in structural dynamics.
method Library-based approach with Approximate Bayesian Computation (ABC) prioritizing parsimonious models.
result Efficacy demonstrated in four structural dynamics examples, including linear and nonlinear systems.

Paper uses knowledge bases to discover new relations from text.

problem Discover new relations from text without annotated data.
method Construct constraints based on knowledge base embeddings and incorporate into variational auto-encoder for relation discovery.
result Improves relation discovery performance significantly.

Dagma-DCE improves causal discovery with interpretable measures and open-source code.

problem Arbitrary proxy measures of causal strength in non-parametric causal discovery.
method Uses weighted adjacency matrices based on an interpretable measure of causal strength.
result Achieves state-of-the-art performance in simulated datasets.

KEEL improves causal discovery with fuzzy knowledge and complex data.

problem Challenges in causal discovery due to prior knowledge, domain inconsistencies, and small sample sizes.
method Weakly-supervised fuzzy knowledge and data co-driven causal discovery method (KEEL).
result KEEL outperforms state-of-the-art methods in accuracy, robustness, and computational efficiency.

New method uses word embedding techniques for better graph community discovery.

problem Discovering communities in graphs without labeled data.
method Developed a novel algorithm using neural node embeddings for unsupervised community discovery.
result Empirically attains information-theoretic limits for community recovery and outperforms existing methods.

Enhances drug discovery by optimizing molecular structures.

problem Accelerate drug discovery through better optimization of precursor molecules.
method Integrates substructure components with atom-level encoding in a fully autoregressive graph decoder.
result Significantly outperforms previous state-of-the-art baselines on molecular optimization tasks.

Bayesian truth discovery uses social network info to improve reliability estimates.

problem Truth discovery from unreliable or biased agents with correlated biases in the same community.
method Laplace variational inference and stochastic variational inference for large networks.
result Our methods outperform other inference methods in sparse observation scenarios.

New RL formulation for maximizing maximum reward in molecule generation.

problem Traditional RL frameworks do not fit real-world applications like drug discovery.
method Formulated a new objective function to maximize maximum reward, derived Bellman equation, introduced operators, and proved convergence.
result Achieved state-of-the-art results in molecule generation.

CGNNs learn causal models from data without confounders.

problem Discovering causal relationships from observational data without assuming no confounders.
method CGNNs leverage conditional independencies and distributional asymmetries to learn a differentiable generative model of the data.
result CGNNs perform well on both simulated and real data, improving cause-effect inference and v-structure identification.

Private online FDR control for adaptive testing under differential privacy.

problem Controlling false discoveries in adaptive multiple hypothesis testing with privacy constraints.
method Private online algorithms based on non-private results, ensuring privacy and statistical performance.
result Strong guarantees for privacy and statistical performance in FDR and power.

DisCoveR efficiently discovers declarative process models from event logs.

problem Mining declarative process models from event logs efficiently and accurately.
method DisCoveR precisely formalizes an algorithm, uses a bit vector implementation, and rigorously evaluates performance.
result DisCoveR outperforms other declarative miners in accuracy and runtime.

We improve learning sub-tasks in hierarchical reinforcement learning using hyperbolic embeddings.

problem Learning meaningful sub-tasks in hierarchical reinforcement learning remains challenging.
method Combining routing in computer networks and graph-based skill discovery, we use hyperbolic embeddings to define sub-goals.
result Hyperbolic embeddings enforce a global topology on states, enabling the learning of meaningful sub-tasks.

DiffATD efficiently discovers targets in partially observable environments using diffusion dynamics.

problem Efficiently discovering targets in partially observable environments with limited sampling.
method DiffATD uses diffusion dynamics to maintain a belief distribution over unobserved states, balancing exploration and exploitation.
result DiffATD outperforms baselines and supervised methods in diverse domains.

Exact causal network discovery is polynomial for sparse networks.

problem Finding the optimal causal Bayesian network from data is computationally hard.
method Pruning the search space using network properties, combined with dynamic programming and shortest-path searches.
result Exact discovery is polynomial for sparse causal Bayesian networks.

TimeGraph creates synthetic datasets for robust time-series causal discovery.

problem Lack of reliable synthetic benchmark datasets for robust time-series causal discovery.
method Developed comprehensive synthetic datasets with temporal properties, including trends, seasonality, and noise.
result Demonstrated significant variations in algorithm performance under realistic temporal conditions.

DADS discovers skills with predictable outcomes from unlabeled data.

problem Learning accurate models for complex dynamical systems is difficult and often doesn't generalize well.
method Dynamics-Aware Discovery of Skills (DADS) combines model-based and model-free learning.
result DADS discovers infinitely many behaviors in high-dimensional state-spaces.

A deep learning framework discovers causal relationships from incomplete data.

problem Discovering causal knowledge from incomplete observational data.
method Imputated Causal Learning (ICL) framework for iterative missing data imputation and causal structure discovery.
result ICL outperforms state-of-the-art methods in various missing data scenarios.

MissDAG addresses causal discovery with missing data using imputation and EM.

problem Causal discovery with missing data in incomplete observational studies.
method MissDAG uses EM framework to maximize likelihood of visible data, leveraging ANMs and Monte Carlo EM for approximations.
result MissDAG outperforms two-step imputation and causal discovery methods.

Proposes LTD-RBM for robust and efficient latent truth discovery.

problem Discovering true values in noisy, conflicting or incomplete information.
method Restricted Boltzmann Machines (RBM) for a novel LTD algorithm.
result Superior to state-of-the-art LTD techniques in effectiveness, efficiency, and robustness.

Develops robust knockoffs for controlling false discoveries in financial data.

problem Challenges in variable selection with highly correlated data in finance and economics.
method Robustified knockoff framework addressing high dependence and time correlation.
result Identifies new important groups of factors on top of known drivers.

CausalRivers benchmarks causal discovery methods on real-world river discharge data.

problem Lack of in-the-wild evaluation of causal discovery methods on complex, real-world data.
method Introduces CausalRivers, a large-scale dataset of river discharge data for benchmarking.
result Demonstrates the utility of CausalRivers in evaluating causal discovery methods.

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.

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.

CRE discovers interpretable subgroups with heterogeneous treatment effects.

problem Identifying subgroups with notable treatment effect heterogeneity.
method Causal Rule Ensemble (CRE) using an ensemble-of-trees approach.
result CRE offers interpretable decision rules and high stability in subgroup discovery.

Improved time series causal discovery with bootstrap aggregation and confidence measures.

problem Uncertainty estimation in time series causal discovery.
method Bootstrap aggregation and confidence measures for time series causal discovery.
result Bagged-PCMCI+ improves precision and recall compared to PCMCI+.

Transformer-based method for causal discovery with prior knowledge integration.

problem Complex nonlinear dependencies and spurious correlations in time series data.
method Multi-layer Transformer forecaster with gradient-based causal structure extraction and attention masking for prior knowledge integration.
result Significant improvement in causal discovery and causal lag estimation compared to state-of-the-art methods.