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~ similar to 2606.00262· 19 results

cs.CLRecentMay 31, 2026

Beyond Topical Similarity: Contrastive Evidence Retrieval with Interpretable Attention Alignment in RAG

Francielle Vargas, João Robiatti, Diego Alves, Lucas Pascotti Valem +5 more

The paper introduces CERA, a novel contrastive retrieval framework that improves RAG factuality and interpretability by using subjectivity-based hard negative selection and an auxiliary attention alig…

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cs.CVcs.CLRecentMay 29, 2026

Learning from Fine-Grained Visual Discrepancies: Mitigating Multimodal Hallucinations via In-Context Visual Contrastive Optimization

Haolin Deng, Xin Zou, Zhiwei Jin, Chen Chen +2 more

The paper proposes In-Context Visual Contrastive Optimization (IC-VCO) to rigorously mitigate multimodal hallucinations in Vision-Language Models by optimizing contrastive learning within a shared mul…

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cs.CVcs.AIRecentMay 27, 2026

Bayesian Gated Non-Negative Contrastive Learning

Peng Cui, Jiahao Zhang, Lijie Hu

BayesNCL introduces a probabilistic gating mechanism to resolve the optimization conflict in Contrastive Learning, leading to highly disentangled and semantically consistent representations.

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cs.CLcs.LGRecentMay 30, 2026

Towards Lightweight Reliability: Using Soft Prompts for Hallucination Mitigation in Large Language Models

S M Tahmid Siddiqui, Akib Jawad Ononto, Anoop Singhal, Latifur Khan

The paper introduces Responsible Contrastive Soft Prompting (RCSP), a parameter-efficient method using soft prompts to improve LLM reliability by simultaneously suppressing hallucinations, encouraging…

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cs.LGRecentJun 1, 2026

A Doeblin-Anchored Contrastive Chart for Learning Markov Transition Kernels

Ao Xu

The paper proposes a Doeblin-anchored contrastive chart to learn valid Markov transition kernels by combining the target transition with a restart law, ensuring the learned object is mathematically so…

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cs.CVcs.AIRecentJun 1, 2026

Mitigating Perceptual Judgment Bias in Multimodal LLM-as-a-Judge via Perceptual Perturbation and Reward Modeling

Seojeong Park, Jiho Choi, Junyong Kang, Seonho Lee +2 more

The paper addresses Perceptual Judgment Bias in multimodal LLM judges by introducing a new dataset and a unified training framework that forces models to prioritize visual evidence over plausible text…

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cs.LGcs.AIcs.CVRecentMay 28, 2026

Alignment-Guided Score Matching for Text-to-Image Alignment in Diffusion Models

Jaa-Yeon Lee, Yeobin Hong, Taesung Kwon, Jong Chul Ye

The paper proposes Alignment-Guided Score Matching (AGSM), a lightweight, reward-free post-training method that integrates contrastive alignment guidance directly into the score-matching objective of…

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cs.LGcs.AIstat.MLRecentMay 28, 2026

Calibrated Preference Learning: The Case of Label Ranking

Santo M. A. R. Thies, Viktor Bengs, Timo Kaufmann, Sebastian J. Vollmer +1 more

The paper formalizes the concept of calibration for probabilistic label ranking, demonstrating that popular models are often poorly calibrated and that calibration captures a meaningful quality dimens…

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cs.LGcs.AIcs.CVRecentMay 28, 2026

How Much Is a Dataset Worth? Scaling Laws, the Vendi Score, and Matrix Spectral Functions

Jeff A. Bilmes, Gantavya Bhatt, Arnav M. Das

The paper introduces and analyzes several novel data appraisal metrics, including the Vendi Score and matrix spectral functions, demonstrating that efficient optimization techniques make these metrics…

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cs.AIRecentMay 27, 2026

CORE: Contrastive Reflection Enables Rapid Improvements in Reasoning

Linas Nasvytis, Simon Jerome Han, Ben Prystawski, Satchel Grant +2 more

The paper introduces Contrastive Reflection (CORE), a novel non-parametric method that rapidly improves language model reasoning by distilling contrasts between successful and unsuccessful problem att…

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cs.CVcs.AIcs.LGRecentJun 1, 2026

Ranking vs. Assignment: The Metric Mismatch in Multi-View Object Association

Matvei Shelukhan, Timur Mamedov, Aleksandr Chukhrov, Karina Kvanchiani

The paper identifies a fundamental mismatch between standard pairwise ranking metrics (like AP and FPR-95) and the true assignment objective in multi-view object association, proposing a Sinkhorn-base…

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cs.CVcs.AIRecentMay 27, 2026

BiasEdit: A Training-Free Bias-Detect-and-Edit Framework for Learning Fair Visual Classifiers

Jungwook Seo, Yoonsik Park, Changmin Lee, Sungyong Baik

BiasEdit introduces a training-free framework that automatically detects and edits unknown social biases in web-sourced image datasets to construct a debiased dataset for fair visual classification.

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cs.CLRecentMay 28, 2026

Auditing LLM Benchmarks with Item Response Theory

Sander Land, Daniel M. Bikel

The paper introduces an Item Response Theory (IRT)-based indicator that effectively identifies likely mislabeled items in existing LLM benchmarks, revealing systematic errors in labeling and model spe…

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cs.CVRecentJun 1, 2026

LL-Bench: Rethinking Low-Level Vision Evaluation in the Era of Large-Scale Generative Models

Lu Liu, Huiyu Duan, Chenxin Zhu, Jintong Lu +5 more

The paper introduces LL-Bench, a comprehensive benchmark for evaluating large-scale generative models on low-level vision tasks, and proposes LL-Score, an MLLM-based evaluator that better aligns quali…

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cs.CVcs.CLRecentMay 29, 2026

Attend to Evidence: Evidence-Anchored Spatial Attention Supervision for Multimodal RLVR

Ruina Hu, Chen Wang, Lai Wei, Jionghao Bai +4 more

The paper introduces EASE, a method that enhances multimodal Reinforcement Learning with Verifiable Rewards (RLVR) by providing spatial attention supervision anchored to visual evidence, significantly…

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cs.LGcs.AIcs.CVRecentJun 1, 2026

Rethinking Evaluation Paradigms in IBP-based Certified Training

Konstantin Kaulen, Hadar Shavit, Holger H. Hoos

The paper proposes evaluating certified training methods by comparing their Pareto fronts across the natural-certified accuracy trade-off, revealing superior performance and previously unappreciated c…

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cs.AIRecentMay 27, 2026

Reward Bias Substitution: Single-Axis Bias Mitigations Redirect Optimization Pressure

Max Lamparth, Daniel Fein, Andreas Haupt, Marcel Hussing +1 more

The paper introduces 'reward bias substitution,' demonstrating that single-axis mitigations of reward model biases merely shift optimization pressure to correlated proxies, and proposes augmenting eva…

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cs.CRRecentApr 21, 2026

Sensitivity Uncertainty Alignment in Large Language Models

Prakul Sunil Hiremath, Harshit R. Hiremath

The paper proposes Sensitivity-Uncertainty Alignment (SUA), a framework that measures the misalignment between a model's prediction instability and its stated uncertainty to improve model reliability.

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cs.AIRecentMay 27, 2026

Utility-Aware Multimodal Contrastive Learning for Product Image Generation

Xiaohang Feng, Yiling Xie

The paper proposes a utility-aware multimodal contrastive learning framework that optimizes product image generation not just for semantic coherence, but also for maximizing consumer demand in online…

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