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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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2905818711,161 · Jun 202019922001200920182026
48 results for Bayesian Decision Network

EBNCs are a new model for Bayesian networks, derived from different networks.

problem Creating efficient models for Bayesian networks with discrete variables.
method Developed an EBNC model derived from different Bayesian networks, showing it's a special case of softmax polynomial regression.
result EBNCs can be used as a special case of softmax polynomial regression models.

The paper corrects Bayesian neural network approximations to improve decision quality.

problem Inaccurate posterior approximations in Bayesian neural networks lead to suboptimal decisions.
method Develops methods to calibrate approximate posterior predictive distributions for better decision making.
result Empirically produces higher quality decisions compared to previous methods.

New algorithms for fast online decision making using neural networks and martingale posteriors.

problem Online sequential decision making under uncertainty.
method Martingale posterior neural networks for fast online learning and decision making.
result Achieves competitive performance-speed trade-offs in non-stationary contextual bandits and Bayesian optimization.

Hybrid model uses LLM to build transparent Bayesian networks for trading decisions.

problem Rigorous and transparent reasoning required in financial trading, especially for options strategies.
method Combines LLM strengths with Bayesian Networks, using LLM to construct context-specific networks and select relevant data.
result Empirically, the hybrid system outperforms market benchmarks with superior risk-adjusted performance.

Bayesian neural networks are shown to be minimax and admissible under certain conditions.

problem Optimality of Bayesian neural networks in deep learning models.
method Analysis of decision rules induced by BNNs in the normal location model under quadratic loss.
result A hyperprior on the effective output variance yields a minimax and admissible decision rule.

Recently several researchers have investigated techniques for using data to learn Bayesian networks containing compact representations for the conditional probability distributions (CPDs) stored at each node. The majority of this work has concentrated on using decision-tree representations for the CPDs. In addition, re…

2013-02-06abs ↗pdf ↗

A new framework designs experiments for better decision-making.

problem Suboptimal experimental designs for downstream decision-making.
method Amortized decision-aware Bayesian Experimental Design (BED) with Transformer Neural Decision Process (TNDP).
result TNDP effectively designs experiments and facilitates accurate decision-making.

Proposes efficient algorithm for system-level I&M decisions under uncertainty.

problem Optimal management strategies for deteriorating civil engineering systems.
method Factored partially observable Markov decision process with Bayesian networks and DDMAC reinforcement learning.
result DDMAC policies offer substantial benefits over heuristic approaches in system-level cost optimization.

DAD learns to design experiments quickly, outperforming traditional methods.

problem Real-time decision-making in sequential Bayesian experimental design.
method Amortized design network trained with contrastive information bounds.
result DAD outperforms alternative strategies on various problems.

This work explores how XAI methods can visualize the diversity of feature representations in Bayesian Neural Networks.

problem Explaining the diversity of feature representations learned by Bayesian Neural Networks.
method Application of global XAI methods to visualize and quantify the diversity of feature representations.
result The diversity of learned feature representations correlates with uncertainty estimates and network width.

Bayesian deep learning predicts uncertainty in EHRs for better healthcare decisions.

problem Lack of interpretability and trustworthiness in deep learning models for EHRs.
method Proposes a Bayesian Neural Network (BNN) model to predict uncertainty in EHRs.
result High uncertainty instances harm model performance; distributions reveal patients for timely intervention.

The paper explores how to evaluate Bayesian approximations in neural networks.

problem The difficulty in evaluating Bayesian approximations in neural networks.
method Exploring the interactions between probabilistic models, approximating distributions, optimization algorithms, and datasets.
result The expected utility of the approximate posterior can measure inference quality.

A novel Laplace-approximated Bayesian Tensor Network Kernel Machine (LA-TNKM) provides principled uncertainty estimates.

problem How to provide principled uncertainty estimates for tensor network kernel machines.
method Employing a linearized Laplace approximation for Bayesian inference.
result Consistently matches or surpasses Gaussian Processes and BNNs across diverse UCI regression benchmarks.

The study analyzes when Bayesian averaging over decision trees is reliable.

problem When do Bayesian model averaging weights over decision trees provide reliable information?
method Closed-form solution for Bayesian decision trees with Catalan-exponential priors.
result Established a complete non-asymptotic theory of rational commitment thresholds.

Proposes a new machine learning problem for automated temporal decision-making.

problem Automating human involvement in temporal decision-making processes.
method Develops a deep Bayesian neural network, ForeClassNet, with Boltzmann convolutions.
result Achieves superior performance in real-world Foreclassing datasets.

Bayesian neural networks outperform calibrated neural networks for tabular data.

problem Uncertainty in neural network predictions for tabular data.
method Bayesian neural networks vs. post-hoc calibration methods.
result Bayesian neural networks yield competitive performance compared to calibrated neural networks.

Bayesian Neural Network improves calibration of deep probabilistic models.

problem Uncalibrated probabilities from deep neural networks limit their use in critical scenarios.
method Decoupled Bayesian Neural Network to map uncalibrated probabilities to calibrated ones.
result Our approach consistently improves calibration and provides more reliable probabilistic models.

Quantized BNNs maintain uncertainty estimation quality despite reduced precision.

problem Reduced precision in BNNs due to quantization.
method Quantized BNNs with 32-bit weights and activations compressed to 16-bit integers.
result Uniform quantization does not significantly degrade uncertainty estimation quality.

Corrects approximate Bayesian inference for better decision-making.

problem Sub-optimal decisions due to inaccurate posterior predictive distributions.
method Trains a separate model to correct decision-making under approximate posterior, combining Bayesian modeling with optimization.
result Empirically demonstrates improved predictive accuracy in various problems.

Optimizes decision-making with variational Bayesian methods for continuous utilities.

problem Inference approximations for continuous utilities without full posterior knowledge.
method Automatic pipeline that co-opts continuous utilities into variational inference algorithms.
result Consistent improvement in decision-making when calibrating approximations for specific utilities.

This paper develops efficient federated learning and unlearning methods in Bayesian models.

problem Managing epistemic uncertainty and legal right to be forgotten in decentralized networks.
method Develops federated variational inference solutions based on decentralized local free energy minimization.
result Demonstrates efficient unlearning mechanisms in federated learning and unlearning.

Enhances construction input modeling with Bayesian deep neural networks.

problem Deriving reliable simulation input models from construction data.
method Bayesian deep neural networks integrated with multi-source construction data.
result Derives detailed input models for construction operations.

Study improves neural network calibration for drug discovery.

problem Improper calibration of neural network predictions in drug discovery.
method Compared different metrics for model hyperparameter tuning and proposed Bayesian Linear Probing (BLP) method.
result Bayesian Linear Probing (BLP) improves model calibration and accuracy.

Develops Bayesian approach for end-to-end learning in stochastic optimization.

problem Stochastic optimization problems under uncertainty.
method Bayesian interpretation and new end-to-end learning algorithms.
result Improved decision maps for empirical risk minimization and distributionally robust optimization.

Bayesian CNN with Variational Inference improves uncertainty handling in neural networks.

problem Uncertainty in neural networks, especially in regions with little data.
method Bayesian Convolutional Neural Network (BayesCNN) using Variational Inference.
result BayesCNN achieves equivalent performance to frequentist inference and incorporates uncertainty measurements.

Paper proposes Bayesian TMLE methods for causal effect uncertainty quantification.

problem Quantifying uncertainty in causal effect estimation.
method Three Bayesian TMLE approaches for binary and continuous outcomes.
result BN-TMLE outperforms classical implementations in small data regimes.

NEON uses neural networks to optimize functions in infinite-dimensional spaces.

problem Optimizing composite functions in function spaces.
method NEON (Neural Epistemic Operator Networks) for sequential decision-making.
result NEON achieves state-of-the-art performance with fewer parameters.

Paper presents a Bayesian-decision-theory framework for long-tailed classification.

problem Heavy imbalance and asymmetric misprediction costs in long-tailed datasets.
method Bayesian-decision-theory perspective, unifying re-balancing and ensemble methods.
result Improves accuracy for all classes, especially tails, with provably optimal decisions.