Research
On-device research index

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

Trend · papers per month

25.0%50.0%75.0%100.0% · Feb 199419922001200920182026
48 results for feature prioritization

SAEs struggle with feature consistency across runs, hindering MI reliability.

problem Inconsistency of learned SAE features across different training runs.
method Propose using the Pairwise Dictionary Mean Correlation Coefficient (PW-MCC) to measure feature consistency.
result High levels of feature consistency (0.80 for TopK SAEs on LLM activations) are achievable with appropriate architectural choices.

AMBER method selects features efficiently using autoencoders and model-based elimination.

problem Efficiently selecting relevant features for classification.
method Greedy backward elimination using a ranker model and autoencoders.
result AMBER outperforms other feature selection methods in classification accuracy.

UMFI improves feature importance methods by reducing runtime and enhancing performance.

problem Improving feature importance methods to better explain causal and associative relationships in data.
method Introducing UMFI, which uses dependence removal techniques from AI fairness literature.
result UMFI outperforms MCI, especially in complex data scenarios, and reduces runtime from exponential to super-linear.

New methods prioritize acquiring confounding features for efficient treatment effect estimation.

problem Efficient treatment effect estimation from observational data with missing confounding information.
method Proposes two acquisition strategies: covariate balancing and reducing factual outcome error.
result Our proposed methods, especially reducing factual outcome error, improve sample efficiency for treatment effect estimation.

Deep networks prioritize easier examples over harder ones, leading to faster training.

problem Understanding how deep networks prioritize examples of varying difficulty.
method Investigated the effect of linear vs non-linear learning modes on example difficulty.
result Non-linear dynamics tend to sequentialize the learning of examples of increasing difficulty.

Unified framework improves gene prioritization in disease studies.

problem Identifying genes involved in diseases using heterogeneous biological data.
method Network propagation-based gene prioritization with integrated biological information.
result Significant improvements in prioritizing genes not identified by traditional methods.

A new method prioritizes and recycles experiences for better reinforcement learning.

problem Improving reinforcement learning efficiency by prioritizing and recycling experiences.
method Double-prioritized state-recycled (DPSR) experience replay.
result DPSR achieved state-of-the-art results in Atari games, outperforming original and prioritized methods.

In this paper, we propose a new deep feature selection method based on deep architecture. Our method uses stacked auto-encoders for feature representation in higher-level abstraction. We developed and applied a novel feature learning approach to a specific precision medicine problem, which focuses on assessing and prio…

2017-04-20abs ↗pdf ↗

RATE metrics evaluate treatment prioritization rules, subsuming existing methods.

problem Comparing and testing the quality of treatment prioritization rules.
method Rank-weighted average treatment effect (RATE) metrics.
result RATE metrics enable asymptotically exact inference in various study settings.

Method creates resilient classifiers by focusing on highly predictive features.

problem Adversarial attacks exploit weakly correlated features learned during training.
method Resilient feature engineering to prioritize highly predictive features.
result Serial and Parallel Composition Resilience theorems support the design of resilient classifiers.

Solves multi-class imbalanced data problem with geometry-based sampling and synthetic data.

problem Handling imbalanced multi-class data in classification problems.
method Two novel methods: undersampling and oversampling.
result Efficacy demonstrated through comparison with state-of-the-art methods.

Most exact methods for k-nearest neighbour search suffer from the curse of dimensionality; that is, their query times exhibit exponential dependence on either the ambient or the intrinsic dimensionality. Dynamic Continuous Indexing (DCI) offers a promising way of circumventing the curse and successfully reduces the dep…

2017-03-01abs ↗pdf ↗

This study integrates spatial coordinates into pavement maintenance prioritization.

problem Limited consideration of spatial characteristics in pavement maintenance prioritization.
method Introduced a novel spatial clustering algorithm to combine projects within budget and spatial constraints.
result Minimizes crew routing and improves collaboration between maintenance teams.

This work improves MARL exploration efficiency using predictive guidance and prioritized experience replay.

problem Challenges in multi-agent reinforcement learning, especially in exploration efficiency and reward informativeness.
method A predictive network forecasts reward, guiding MARL to accelerate exploration. Improved prioritized experience replay utilizes TD error effectively.
result The proposed algorithm outperforms existing methods in cooperative multi-agent environments.

Optimizes COVID-19 testing policy using a Multi-Armed Bandit approach.

problem Balancing discovery of positive cases with population surveillance.
method Risk scoring and random sampling based on Multi-Armed Bandit theory.
result Effective prioritization captures 65-92% of positive cases with varying testing capacity.

Two novel methods identify influential features in CMABs for better reward distribution.

problem Suboptimal features degrade rewards, interpretability, and efficiency in CMABs.
method Heterogeneous Incremental Effect (HIE) and Heterogeneous Distribution Divergence (HDD) methods.
result Consistent ability to identify influential HTE features, enhancing CMAB performance.

GTDL methods fail to accurately model feature interactions in tabular data.

problem Accurate modeling of feature interactions in tabular data.
method Graph-based tabular deep learning methods using attention mechanisms and message-passing schemes.
result Current GTDL methods fail to recover meaningful feature interactions due to poor edge recovery.

In Hindsight Experience Replay (HER), a reinforcement learning agent is trained by treating whatever it has achieved as virtual goals. However, in previous work, the experience was replayed at random, without considering which episode might be the most valuable for learning. In this paper, we develop an energy-based fr…

2018-10-02abs ↗pdf ↗

ReTabSyn synthesizes realistic tabular data efficiently by focusing on conditional distribution.

problem Synthesizing realistic tabular data in low-data, imbalanced settings.
method ReTabSyn uses reinforcement learning to prioritize feature correlation preservation during training.
result ReTabSyn consistently outperforms state-of-the-art baselines across various benchmarks.

A framework uses proxies to prioritize treatment without estimating causal effects.

problem Prioritizing treatment when causal effects are hard to estimate.
method Decision-focused framework identifying conditions for proxy usefulness.
result Proxies can recover correct effect ordering under specific conditions.

This paper proposes a technique to prioritize examples based on their noise sensitivity for generating adversarial examples.

problem Generating effective adversarial examples requires careful consideration of noise sensitivity.
method The paper introduces a noise-sensitivity-analysis-based test prioritization technique to identify examples sensitive to noise.
result The method effectively picks out examples by their noise sensitivity, improving the effectiveness of adversarial examples.

New algorithm learns efficiently in multi-agent settings.

problem Efficient learning in multi-agent Markov decision processes.
method Cooperative Prioritized Sweeping: model-based reinforcement learning with sample efficiency.
result Outperforms state-of-the-art on SysAdmin and randomized environments.

A new approach to cost-sensitive multiclass classification prioritizes certain classes over others.

problem Cost-sensitive multiclass classification where some classes are more important than others.
method Apportioned margin framework that shifts the decision boundary to prioritize certain classes.
result The method improves the error rate for important classes while reducing overall error.

Graded Transformers embed algebraic structure in neural networks through graded transformations.

problem Efficiently modeling hierarchical and structured data in neural networks.
method Introduces Linearly Graded Transformer (LGT) and Exponentially Graded Transformer (EGT) with graded scaling operators.
result Establishes rigorous guarantees and improved efficiency for structured data.

Introduces PIT-plot for prioritizing projects based on their impact.

problem Optimizing R&D investments in project portfolios.
method Develops a new tool (PIT-plot) focusing on project impact rather than project properties.
result Identifies projects with the largest impact for risk mitigation or value-adding.

SGD quickly learns a spurious XOR feature before the signal feature, revealing learning dynamics.

problem Over-reliance on spurious correlations in neural networks trained by SGD.
method Theoretical analysis of SGD on two-layer ReLU networks trained on XOR data.
result SGD learns the spurious feature first and exponentially fast, dominating the signal feature.

MixHop learns complex neighborhood relationships in graphs.

problem Existing graph neural networks cannot learn certain neighborhood mixing relationships.
method MixHop repeatedly mixes feature representations of neighbors at various distances.
result MixHop outperforms on challenging baselines and visualizes neighborhood information prioritization.

Simplified feature selection using a single agent with restructured choice strategy.

problem Efficiency and cost issues in multi-agent reinforced feature selection.
method Single-agent approach with restructured choice strategy, including scanning method, feature prioritization, state representation, and reward scheme.
result Improved efficiency and effectiveness of feature selection.

A novel RL objective and prioritization framework improve performance and sample-efficiency in multi-goal tasks.

problem Learning diverse goals in multi-goal reinforcement learning.
method Maximum entropy regularization for objective and prioritization framework.
result Promising improvements in performance and sample-efficiency on multi-goal robotic tasks.

Convex sparsity-inducing regularizations are ubiquitous in high-dimensional machine learning, but solving the resulting optimization problems can be slow. To accelerate solvers, state-of-the-art approaches consist in reducing the size of the optimization problem at hand. In the context of regression, this can be achiev…

2018-02-21abs ↗pdf ↗

Heteroskedasticity biases uplift model rankings, leading to inefficient treatment allocation.

problem Bias in uplift model rankings due to heteroskedasticity.
method Theoretical analysis and simulation on real-world data.
result Heteroskedasticity can cause individuals with high treatment effects to be ranked at the bottom, leading to inefficient treatment allocation.

A new network learns to prioritize messages for efficient multi-robot path planning.

problem Efficient path planning and coordination for large-scale multi-robot systems.
method Message-Aware Graph Attention Network (MAGAT) incorporating attention mechanisms.
result MAGAT achieves performance close to a coupled centralized expert algorithm.