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.

168,742 papers · 148 categories

Trend · papers per month

2895798681,157 · Jun 202019922001200920172026
48 results for system performance

This study combines ASV and CM systems for better performance using reinforcement learning.

problem Improving the combined performance of ASV and CM systems for better t-DCF measure.
method Training ASV and CM components together using reinforcement learning.
result Training ASV and CM components together improves the performance of the combined system.

Paper explores using EEG for better speaker identification, even in noisy environments.

problem Speaker identification performance degrades in background noise.
method Uses EEG signals to enhance speaker identification systems, comparing with acoustic features.
result Speaker identification system using only EEG features outperforms one using only acoustic features in high background noise.

Paper proposes method for optimal control of unknown systems with latent states.

problem Jointly estimating dynamics and latent states in systems with unmeasurable states.
method Combination of particle Markov chain Monte Carlo methods and scenario theory.
result Probabilistic performance guarantees for optimal input trajectories.

Adversarial validation detects concept drift in user targeting systems.

problem Concept drift in user targeting automation systems deteriorates model performance over time.
method Adversarial validation approach to detect and adapt to concept drift.
result Adversarial validation effectively addresses concept drift in user targeting systems.

The paper analyzes the performance of delay-based reservoir computing using eigenvalue analysis.

problem Quantifying the performance of delay-based reservoir computing.
method Eigenvalue analysis of the dynamical system to predict reservoir computing performance.
result The performance of a reservoir computing system can be predicted by analyzing the small signal response and eigenvalue spectrum.

PPPD framework extracts physical characterizations from stochastic mechanical systems.

problem Complex system behavior requires more than probabilistic descriptions of QoI.
method Probabilistic Performance-Pattern Decomposition (PPPD) framework.
result Decomposes system behaviors into meaningful patterns in response space.

The paper analyzes errors in mechanical systems with external forces.

problem Error analysis of mechanical systems with external forces.
method Analysis of variational integrators with contact order rr for discrete mechanical systems.
result The contact order of the integrator is the same as the contact order of the original systems.

New method improves predictive systems with better theoretical guarantees.

problem Constructing predictive systems with out-of-sample calibration guarantees.
method Residual Distribution Predictive Systems (RDPs) that nest conformal predictive systems and offer flexibility.
result Empirically, RDPs perform competitively with conformal predictive systems and can be implemented with various regression methods.

Speaker verification (SV) systems using deep neural network embeddings, so-called the x-vector systems, are becoming popular due to its good performance superior to the i-vector systems. The fusion of these systems provides improved performance benefiting both from the discriminatively trained x-vectors and generative …

2018-09-17abs ↗pdf ↗

Machine learning models predict DM performance for AO systems.

problem Designing high-performance AO systems with large-scale DMs.
method Simulated FE model, neural network estimation, VARX input models, steady-state control.
result Estimated models reproduce DM input-output behavior and predict steady-state performance.

Improved investment performance with fine-grained LLM tasks.

problem Abstract financial trading systems often overlook real-world workflow intricacies, leading to degraded performance.
method Proposes a multi-agent LLM trading framework that decomposes investment analysis into fine-grained tasks.
result Fine-grained task decomposition significantly improves risk-adjusted returns compared to coarse-grained designs.

The performance of automatic speech recognition systems(ASR) degrades in the presence of noisy speech. This paper demonstrates that using electroencephalography (EEG) can help automatic speech recognition systems overcome performance loss in the presence of noise. The paper also shows that distillation training of auto…

2019-03-02abs ↗pdf ↗

The paper explores how complex models can improve system identification beyond traditional limits.

problem Balancing model richness and spurious learning in system identification.
method Investigates the double-descent phenomenon in the context of dynamic systems.
result Complex models can improve system identification performance beyond the point of interpolation.

Modern online platforms rely on effective rating systems to learn about items. We consider the optimal design of rating systems that collect binary feedback after transactions. We make three contributions. First, we formalize the performance of a rating system as the speed with which it recovers the true underlying ran…

2018-06-18abs ↗pdf ↗

New method identifies key genes affecting phenotypes in biological systems.

problem Identifying genes that drive specific phenotypes in complex biological systems.
method Data-driven observability decomposition using Koopman operators.
result Koopman operator representation identifies genes that drive phenotypes.

To address Task 5 in the Detection and Classification of Acoustic Scenes and Events (DCASE) 2018 challenge, in this paper, we propose an ensemble learning system. The proposed system consists of three different models, based on convolutional neural network and long short memory recurrent neural network. With extracted …

2018-12-11abs ↗pdf ↗

End-to-end CAD system for thyroid nodule classification using multimodal data and expert guidance.

problem Improving accuracy in thyroid nodule classification for clinicians.
method Knowledge-driven DenseNet framework using multimodal ultrasound data and expert cues.
result The proposed system achieves relevant performances in thyroid nodule classification.

The next generation of AI applications will continuously interact with the environment and learn from these interactions. These applications impose new and demanding systems requirements, both in terms of performance and flexibility. In this paper, we consider these requirements and present Ray---a distributed system t…

2017-12-16abs ↗pdf ↗

Online advertising in E-commerce platforms provides sellers an opportunity to achieve potential audiences with different target goals. Ad serving systems (like display and search advertising systems) that assign ads to pages should satisfy objectives such as plenty of audience for branding advertisers, clicks or conver…

2019-09-29abs ↗pdf ↗

A new explainable CBR system predicts financial risks with interpretability and good performance.

problem Predicting financial risks with interpretability and good performance.
method A novel explainable case-based reasoning (CBR) approach.
result The CBR system provides a good prediction performance and interpretability.

Auto-Surprise automates recommender system selection and optimization.

problem Finding the best algorithm and hyperparameters for recommender systems.
method Extends Surprise library with TPE optimization for algorithm selection and hyperparameter tuning.
result Significantly faster in finding optimal hyperparameters compared to grid search.

Estimates input from output of nonlinear systems using ANN.

problem Estimating unknown compositional input from system output.
method Artificial Neural Networks (ANNs) for nonlinear system inversion.
result ANNs can compete with optimal bounds for linear systems and demonstrate promising results for nonlinear systems.

This paper improves transportation efficiency by teaching automated vehicles to cooperate.

problem Improving efficiency and safety of transportation systems with automated vehicles.
method Multi-agent graph reinforcement learning with attention mechanism.
result Automated vehicles can achieve better performance when learning to cooperate with each other.

Develops a minimax optimal estimator for system stability under distribution shift.

problem Ensuring system reliability under changes in the underlying environment.
method Minimax optimal estimation of stability defined in terms of acceptable performance degradation.
result Characterizes the minimax convergence rate and demonstrates practical utility.