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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.

169,291 papers · 148 categories

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71142212283 · Jun 202019922001200920182026
48 results for activity maximization

New active learning strategy improves decision-making accuracy.

problem Maximizing decision-making accuracy in sequential data acquisition.
method Introduces a novel active learning criterion that maximizes expected information gain on the posterior decision distribution.
result Improved performance in decision-making accuracy compared to existing alternatives.

We optimize discounts to maximize influence spread in social networks.

problem Maximizing influence spread in social networks with fractional discounts.
method Developed an efficient (1-1/e)-approximation algorithm for NP-hard problem.
result Achieved an approximation of 1-1/e for influence maximization.

Active inference minimizes expected free energy for optimal behavior.

problem Understanding and optimizing behavior in complex systems.
method Combines Bayesian decision theory, optimal Bayesian design, and the free energy principle.
result Active inference emerges as a unified framework for information-seeking, utility maximization, and goal-directed behavior.

DAL uses disentanglement for automatic labeling in GAN-based active learning.

problem Reducing human labeling in GAN-based active learning.
method DAL leverages disentanglement in InfoGAN to automatically label datapoints, deciding human labeling based on disagreement with InfoGAN labels and label correction.
result DAL achieves better performance than existing GAN-based active learning approaches on image classification tasks.

Polynomial neural networks explore thresholds for maximum expressiveness.

problem Understanding the limits of polynomial neural networks' expressiveness.
method Introducing activation degree threshold to measure network expressiveness and proving its existence and upper bounds.
result Polynomial neural networks with equi-width architectures achieve the maximum expressiveness.

Active inference enhances RL by balancing exploration and exploitation.

problem Traditional RL's balance between exploration and exploitation is often suboptimal.
method Developed a new decision-making objective based on active inference.
result The new algorithm successfully balances exploration and exploitation on various RL benchmarks.

This research reverses feature visualization in neural networks to optimize for specific feature objectives.

problem The invertibility of feature visualization in neural networks is not well understood.
method The approach involves optimizing for the feature objective that generates the input used in feature visualization, using the gradient of a specific objective function.
result A closed-form solution is found to minimize the gradient, providing an alternative view on network sensitivity.

New method for optimizing neural networks with quantized weights and activations.

problem Improving resource efficiency of deep neural networks.
method Mean-field theory applied to quantized activation networks.
result Closed-form equation for maximal trainable depth, showing LmaxN1.82L_{\max} \propto N^{1.82}.

New method corrects active learning for distribution shifts and outliers.

problem Conventional active learning methods fail to account for test-time distribution.
method JEPIG, a hybrid of BALD and EPIG, maximizes expected predictive information gain.
result JEPIG outperforms conventional methods in active learning with distribution shifts.

Active learning improves medical image segmentation by selecting optimal samples.

problem Limited manual annotations in medical datasets.
method Maximizing information at network abstraction layer and using Borda-count for sample selection.
result Improved segmentation performance with active learning.

GOIMDA selects inputs to maximize expected influence on a goal functional, reducing data acquisition needs.

problem Challenges in active data acquisition for learning and optimization tasks in deep neural networks.
method GOIMDA uses inverse curvature and goal gradient to select inputs maximizing expected influence on a specified goal functional.
result GOIMDA achieves target performance with fewer labeled samples or function evaluations compared to baselines.

Cheshire optimizes social network activity by incentivizing users to post.

problem Maximize overall activity in social networks through user incentives.
method Modelled user actions with Hawkes processes and SDEs with jumps; used stochastic optimal control.
result Optimal incentivized actions are linearly related to current activity levels.

This paper explores portfolio management strategies to maximize alpha and minimize beta.

problem Maximizing returns while minimizing risk in investment portfolios.
method Examines asset allocation, diversification, active management, and risk management strategies.
result Combining these strategies optimizes portfolio performance.

New guarantees for adaptive combinatorial maximization with various objectives.

problem Maximizing under cardinality constraints and minimum cost coverage in adaptive settings.
method Bayesian approach with comprehensive approximation guarantees for various utility functions.
result Maximal gain ratio is a new parameter that provides stronger approximation guarantees than greedy policies.

iRDM selects unlabeled samples for regression without labels, improving model accuracy.

problem Selecting unlabeled samples for regression without label information.
method Iterative representativeness-diversity maximization (iRDM).
result iRDM significantly outperforms supervised ALR, especially with limited labeled samples.

PDBAL targets experiments for probabilistic models to maximize insights.

problem Designing experiments to yield valuable insights efficiently.
method Combines user-specified risk function with probabilistic model to adaptively choose designs.
result PDBAL consistently outperforms standard approaches in simulations and real-world drug screen data.

Active Federated Learning selects clients to maximize efficiency.

problem Minimizing bandwidth usage and maximizing model accuracy in federated learning.
method Clients are selected with a probability conditioned on the current model and client data to maximize efficiency.
result Reduces the number of required training iterations by 20-70% while maintaining the same model accuracy.

Bayesian adaptive designs can be biased by active learning, especially with misspecified models.

problem Active learning bias in Bayesian adaptive experimental designs.
method Analysis of linear and preference learning models, empirical testing.
result Model misspecification and noise influence active learning bias in Bayesian designs.

A faster method for optimizing DNA and protein sequences using machine learning.

problem Designing DNA and protein sequences with improved function.
method Activation maximization with a straight-through approximation and adaptive entropy variable.
result Fast SeqProp achieves up to 100-fold faster convergence and improved fitness optima.

Bal-PM reduces preference labeling costs for LLMs.

problem Efficiently acquiring human feedback for preference modeling in large language models.
method Bayesian Active Learning with entropy maximization in feature space.
result Bal-PM reduces the number of required preference labels by 33% to 68%.

Efficient deep learning for hyperspectral image classification using active learning.

problem Lack of good-quality labeled samples for deep learning in hyperspectral images.
method Weighted incremental dictionary learning for active selection of training samples.
result The proposed algorithm improves deep learning efficiency and effectiveness in hyperspectral image classification.

This paper studies how AMMs can minimize losses from arbitrage while retaining uninformed trading activity.

problem Minimizing losses from arbitrage in AMMs while retaining uninformed trading activity.
method Modeling arbitrage dynamics and sensitivity to fee choices, mapping to a random walk with a reward scheme.
result AMMs can maximize value retention by optimizing fee structures.

A model learns from valid examples while avoiding invalid ones to generate better data.

problem Generative models produce nonsense when fitting to observed data.
method Active distribution learning using an invalidity oracle.
result Improper distribution learning can be done with polynomial queries, unlike proper learning which requires exponentially many.

O-MedAL optimizes medical image analysis with online active deep learning.

problem Improving accuracy in medical image analysis with limited labeled data.
method Online Active Deep Learning method that queries examples maximizing average distance to training set.
result Significant performance improvements, including 6.30% accuracy boost with 25% labeled data.

A method for learning from unlabeled time-series data using temporal smoothing and entropy maximization.

problem Learning from unlabeled time-series data efficiently and accurately.
method Training a feedforward neural network with two objectives: temporal smoothing and entropy maximization.
result The method extracts slowly evolving information from time-series data, filtering out noise.

Improved bounds on neural network regions using activation histograms.

problem Bounding the number of affine regions in ReLU networks.
method Analysis of algebraic topology problem, extension of framework to subnetwork composition.
result Slightly tighter bounds and insights into parameter initialization.

Active sampling algorithm improves accuracy of inferred scores from pairwise comparisons.

problem Inference of accurate scores from time-consuming pairwise comparisons.
method Approximate message passing and expected information gain maximization.
result ASAP offers the highest accuracy of inferred scores compared to existing methods.

This paper improves SNN training by using multiple sample compartments.

problem Training SNNs with single-sample estimators leads to inaccurate log-likelihood estimates.
method Proposes a GEM-based online learning algorithm that uses multiple independent spiking signals.
result Significant improvements in log-likelihood, accuracy, and calibration with multiple compartments.

Adaptive quadrature improves Bayesian inference through active learning.

problem Efficiently estimating posterior densities in Bayesian inference.
method Sequential node selection using acquisition functions, combining interpolative surrogate models and quadrature rules.
result Positive estimation of marginal likelihood with improved accuracy.

Bayesian optimization selects experiments for causal structure learning in Gaussian process networks.

problem Discover causal relationships in non-linear systems with continuous variables.
method Bayesian active learning and Gaussian process priors combined with Bayesian optimization for experiment selection.
result Efficiently maximizes expected information gain in learning causal structure.

New active learning methods for Gaussian process improve predictive modeling of composite fuselage.

problem Improving predictive modeling of composite fuselage with limited training samples and uncertainties.
method Proposed two new active learning algorithms for Gaussian process considering uncertainties.
result The proposed approach realizes better prediction performance for automatic shape control of composite fuselage.

Active inference implemented for high-dimensional tasks shows efficient exploration and improved sample efficiency.

problem Achieving efficient exploration and learning in complex, uncertain environments.
method Active inference framework applied to high-dimensional tasks, with Bayesian evidence maximization.
result Order of magnitude increase in sample efficiency over model-free baselines.