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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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48 results for target model

New method uses limited labeled data and multiple starts to adapt models across domains.

problem Accurate predictions in target domain with few labeled data.
method Fine-tuning from multiple adaptive starts, extending UDA methods.
result Minimax-optimal target performance with limited labeled target data.

Enhanced Bayesian target encoding uses sampling techniques to improve model performance.

problem Improving target encoding for better model performance in machine learning.
method Using sampling techniques in Bayesian target encoding to extract intra-category distribution information.
result Improves generalization and reduces target leakage in machine learning models.

Deep generative model discovers inhibitors for unknown targets.

problem Discovering novel inhibitor molecules for unknown drug targets.
method Deep generative framework trained on protein sequences, small molecules, and interactions.
result Micromolar-level inhibition observed for two out of four synthesized candidates, including activity against SARS-CoV-2 variants.

Study examines pricing of target volatility options in fractional SABR model.

problem Pricing target volatility options in the lognormal fractional SABR model.
method Used Ito's calculus for a theoretical replicating strategy and derived approximations and closed-form expressions.
result Accuracy of approximations for target volatility option pricing in various parameter ranges.

This study models target trajectories using stochastic processes for efficient tracking.

problem Efficiently modeling and predicting target trajectories in continuous time.
method Decomposes trajectory modeling into deterministic and stochastic components using Gaussian or Student's-tt processes.
result Demonstrates superior performance in tracking maneuvering targets compared to existing methods.

Method identifies unknown intervention targets in structural causal models from diverse data.

problem Identifying unknown intervention targets in structural causal models from heterogeneous data.
method Two-phase approach: first recovers exogenous noises, second matches with endogenous variables.
result Proposed method uniquely identifies intervention targets under causal sufficiency assumption.

Method optimizes diffusion model generation to meet user preferences.

problem Optimizing diffusion model generation with only black-box target scores.
method Covariance-adaptive sequential optimization algorithm for black-box optimization.
result Proves superior performance in achieving better target scores.

Method transfers knowledge without label overlap, source data, or target architecture consistency.

problem Difficulties in transfer learning due to label mismatch, restricted source data, and specialized target architectures.
method Uses deep generative models in two stages: pseudo pre-training and pseudo semi-supervised learning.
result Outperforms scratch training and knowledge distillation methods.

According to Cobanoglu et al and Murphy, it is now widely acknowledged that the single target paradigm (one protein or target, one disease, one drug) that has been the dominant premise in drug development in the recent past is untenable. More often than not, a drug-like compound (ligand) can be promiscuous - that is, i…

2014-11-23abs ↗pdf ↗

Paper proposes a new loss function for conditional models using soft targets.

problem Improving generalization performance of deep neural networks on supervised classification tasks.
method Introduces a new loss function compatible with soft targets, based on noise contrastive estimation.
result Soft target InfoNCE loss performs on par with cross-entropy baselines and outperforms other losses.

Stein discrepancy improves UDA performance in low-data scenarios.

problem Improving model performance on unlabeled target domains with limited data.
method Proposes a novel UDA framework using Stein discrepancy, an asymmetric measure that depends on the target distribution through its score function.
result Consistently outperforms prior UDA approaches under limited target data across multiple benchmarks.

A new method debiases multiple target parameters without IFs.

problem Debiasing multiple target parameters in nonparametric models.
method Kernel Debiased Plug-in Estimation (KDPE) using TMLE and reproducing kernel Hilbert spaces.
result KDPE simultaneously debiases all pathwise differentiable target parameters.

Paper proposes SiSTA for single-shot domain adaptation using target-aware generative augmentation.

problem Adapting models from source to target domains with limited target data.
method Fine-tunes a generative model on a single-shot target and uses novel sampling strategies for synthetic data.
result Improves performance by up to 20% over existing baselines in face attribute detection.

We reveal a model rank that predicts successful recovery of target functions at overparameterization.

problem Understanding the mysterious good generalization performance of overparameterized nonlinear models.
method Rank stratification and linear stability theory for general nonlinear models.
result Linearly stable functions are preferred by nonlinear training, and model rank predicts minimal training data size.

Proposes a method to correct for covariate shift in meta-analysis of randomized trials.

problem Invalidation of standard IPD meta-analysis due to covariate shift across studies.
method Placebo-anchored transport framework that treats source-trial outcomes as proxy signals and target-trial placebo outcomes as gold labels.
result Yields target-identified effect estimates in connected targets and a principled screen--then--transport procedure in disconnected targets.

Proposes Siamese network for generating adversarial examples.

problem Machine learning models are vulnerable to adversarial examples.
method Siamese network trained on unlabeled mismatched dataset to generate adversarial perturbations.
result Adversarial perturbations learned from Siamese network are also adversarial w.r.t. target model.

Policy-gradient method controls multiple non-cohesive targets.

problem Controlling multiple non-cohesive targets in a decentralized manner.
method Proximal Policy Optimization for target selection and driving.
result Effective control of non-cohesive targets without prior dynamics knowledge.

New sigma models use (4,0)(4,0) supersymmetry for hyperkähler target spaces.

problem Constructing sigma models with (4,0)(4,0) off-shell supersymmetry.
method Formulated (4,0)(4,0) supermultiplets, constructed sigma models with hyperkähler target spaces.
result Explicit construction of target space geometries using (4,0)(4,0) supersymmetry.

Defines interpretability relative to a target model and evaluates various methods.

problem Improving interpretability without sacrificing accuracy and robustness.
method Defines a framework linking interpretability to practical aspects, characterizes methods, proposes and evaluates strategies.
result Improvement in target models is influenced by both oracle model performance and relative complexity.

Proposes a method to generate diverse translations by conditioning on target domain.

problem NMT models lack diversity in translations, even with search algorithms.
method Condition the decoder on a latent variable representing target domain, generated by a target encoder.
result Generated diverse translations without affecting performance or training time.

RadialGAN uses GANs to improve target-specific predictive models using multiple datasets.

problem Training complex models with limited target data.
method Multiple GAN architectures to translate between datasets, enlarging target data.
result Improves prediction performance on target domain and outperforms benchmarks.

GEFA predicts drug-target affinity using graph neural networks.

problem Accurate prediction of drug-target interactions for rapid drug repurposing.
method GEFA (Graph Early Fusion Affinity) is a novel graph-in-graph neural network with attention mechanism.
result GEFA effectively models drug-target interactions, demonstrating the effectiveness of pre-trained protein embedding and nested graph representation.

Enhances source domain knowledge with target data for transfer learning.

problem Limited data in target domains and rigid model assumptions in transfer learning.
method Transfer learning through Enhanced Sufficient Representation (TESR).
result TESR enhances source domain knowledge with target data, improving transfer learning performance.

This paper proposes using deep neural networks for estimating weaving target frequencies in target tracking.

problem Estimating the unknown weaving frequency of a target for improved miss distance.
method Proposes using deep neural networks instead of Kalman framework for estimating the weaving frequency.
result Deep neural networks outperform multiple model adaptive estimation in terms of accuracy and required measurements.

This research finds that using mean-squared error and codeword targets improves adversarial robustness.

problem Evaluating and improving the robustness of neural networks against adversarial attacks.
method Training neural networks on mean-squared error and using codeword targets as representations.
result The modified models show up to 98.7% increase in accuracy against untargeted attacks and up to 99.8% decrease in targeted attack success rates.

Framework transfers knowledge across multiple target domains without shared categories.

problem Learning unlabeled target domains without shared categories.
method Model parameter adaptation (PA-1SmT) to transfer knowledge through a common model parameter dictionary.
result Framework demonstrates superiority on three domain adaptation benchmark datasets.

DRDA robustly adapts models across domains with mismatched distributions.

problem Vulnerability of DA methods to noise and inability to generalize to unseen samples.
method DRDA uses distributionally robust optimization (DRO) with MMD metric to learn robust decision functions.
result DRDA outperforms existing robust learning approaches in experiments.

KSMC uses kernel methods for sequential sampling from complex target densities.

problem Sampling from complex, multimodal target densities with nonlinear covariance structures.
method Building emulator models in a reproducing kernel Hilbert space, adaptively updating the geometry.
result KSMC outperforms traditional Monte Carlo methods for multimodal and nonlinear targets.

SurvFM-RMST converts survival outcomes into pseudo-observation targets for tabular models.

problem Right-censored follow-up prevents direct use of survival labels in tabular patient data.
method SurvFM-RMST framework that converts survival outcomes into jackknife pseudo-observation targets for restricted mean survival time.
result SurvFM-RMST accurately recovered restricted event-free time in simulations and outperformed naive targets in static datasets.

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.

Hybrid model predicts product designs from target characteristics.

problem Designing new products with unknown target characteristics is expensive and time-consuming.
method Formulated as conditional density estimation, solved with a deep hybrid generative-discriminative model.
result Predicts optimal design parameters for any target in a single step.

Calibrates network confidence for unsupervised domain adaptation.

problem Calibrating a model trained on a source domain to a target domain without labeled data.
method Estimates network accuracy on the target domain and calibrates prediction confidence directly in the target domain.
result Significantly outperforms existing methods across standard datasets.

The paper improves patient targeting in pharmaceutical sales by predicting treatment delays.

problem Improving accuracy in predicting treatment delays for patients.
method A time-sensitive targeting framework using a time series model with extracted features and look-forward periods.
result Improved accuracy in predicting treatment delays for patients.

Improves domain adaptation by combining multiple source domains and target domain data.

problem Poor performance of empirical risk minimization in distributionally shifted target domains.
method Distributionally robust model optimizing adversarial reward based on explained variance across multiple source domains.
result The robust model is a weighted average of conditional outcome models from source domains.