Trusted multi-view classification (TMC) aims to improve prediction reliability by integrating evidence from multiple views. Existing TMC methods extract evidence from single view and use a regularization term to shape the evidence distribution. However, existing methods typically enforce a uniform regularization objective across all views, overlooking critical view-specific biases: intra-view class ambiguity caused by confusable features and inter-view quality disparities reflected in evidence uncertainty. To address these issues, we propose an adaptive regularization strategy that enhances robustness on two levels. At the intra-view level, it quantifies feature ambiguity to apply targeted relaxation to confusable classes, preventing over-penalization of inherent uncertainty. At the inter-view level, it evaluates relative view quality to impose stronger constraints on unreliable views and suppress noise from low-quality ones. Extensive experiments across multiple benchmarks demonstrate the superiority and reliability of the proposed method.

Active retrieval-augmented generation (RAG) triggers external knowledge retrieval during generation based on model-side uncertainty signals to support knowledge-intensive, multi-hop reasoning. However, existing methods often retrieve only after producing a complete answer, failing to surface and fill information gaps in time; moreover, relying on a single internal signal as the trigger cannot adequately capture the multifaceted nature of uncertainty. We therefore propose a conflict-aware active RAG framework. We first decompose complex questions into a sequence of step-level sub-problems. At each step, we quantify local distributional uncertainty via a sliding-window peak token entropy, and estimate cross-sample consensus via the variation ratio computed over multiple Monte Carlo samples. After calibrating both signals onto a probabilistic scale, we quantify their conflict using a symmetric, bounded divergence over Bernoulli parameters, and fuse the three quantities into a single uncertainty score that gates retrieval. Experiments demonstrate the effectiveness of our framework.

Trustworthy multi-view classification is essential for safety-critical applications, yet existing methods often fail when view quality degrades at test time due to noise or domain shifts. We propose a novel test-time adaptive fusion framework that leverages Conformal Prediction (CP) to transform pre-trained single-view classifier outputs into robust evidence representations. By integrating CP with Dempster-Shafer Theory, our approach dynamically generates well-calibrated evidence for each view, enabling reliable fusion under arbitrary view conditions without retraining. Extensive experiments demonstrate that our method achieves competitive performance on clean data and significantly outperforms prior methods in the presence of view corruption, offering a practical solution for robust multi-view classification in real-world scenarios.

Gradient-based methods provide a principled framework for Active Learning (AL), effectively quantifying a sample’s informativeness through the uncertainty captured from the model’s internal dynamics. However, their effectiveness is often hindered by the failure to disentangle epistemic and aleatoric uncertainty. This can lead to the suboptimal selection of noisy outliers over truly informative samples. To address this, we propose Dual-View Gradient Probes (DVGradProb), a framework that disentangles these uncertainties by probing gradients from two complementary spaces. Specifically, epistemic uncertainty is captured from the parameter space and introduce a novel metric for aleatoric uncertainty from the feature space. These metrics are integrated into a ratio-based acquisition function designed to filter out noisy outliers while prioritizing truly informative samples, those with high epistemic but low aleatoric uncertainty. Experiments on MNIST, CIFAR-10, and SVHN demonstrate that DVGradProb robustly outperforms baselines, validating the effectiveness of this uncertainty disentanglement strategy.