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20 results for “contrastive pretraining”

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cs.LGcs.AIEmpiricalComprehensiveRecentJun 4, 2026

Pretraining Recurrent Networks without Recurrence

Akarsh Kumar, Phillip Isola

This paper proposes Supervised Memory Training (SMT), a method for training nonlinear RNNs that sidesteps recurrent credit propagation entirely.

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cs.SDcs.AIcs.CLRecentMay 28, 2026

COMET: Concept Space Dissection of the Modality Gap in Audio-Text Multimodal Contrastive Embeddings

Yonggang Zhu, Liting Gao, Aidong Men, Wenwu Wang

The paper introduces COMET, a novel PLS-SVD framework, to analyze the audio-text modality gap in CLAP models, showing that shared concepts are captured by a small subset of axes, and proposes a spectr…

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cs.CVcs.AIcs.MMEmpiricalRecentJul 10, 2026

Scalable Visual Pretraining for Language Intelligence

Yiming Zhang, Zhonghan Zhao, Wenwei Zhang, Haiteng Zhao +12 more

This paper presents the benefits of visual pretraining for foundation model intelligence, outperforming text-only pretraining on multiple backbones and benchmarks.

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cs.LGcs.AIstat.APRecentMay 29, 2026

When Softmax Fails at the Top: Extreme Value Corrections for InfoNCE

Melihcan Erol, Suat Evren, Oktay Ozel, Alexander Morgan +2 more

The paper proposes WEINCE, a modified InfoNCE objective that uses extreme value theory corrections to improve contrastive learning by more accurately modeling the selection of hard negative examples.

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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.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.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.CRcs.AIRecentMar 20, 2026

Improving Generalization on Cybersecurity Tasks with Multi-Modal Contrastive Learning

Jianan Huang, Rodolfo V. Valentim, Luca Vassio, Matteo Boffa +3 more

The paper proposes a multi-modal contrastive learning framework to improve the generalization of machine learning models in cybersecurity by transferring knowledge from rich textual vulnerability desc…

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stat.MLcs.AIcs.LGTheoreticalRecentJun 29, 2026

Optimization Dynamics Imprint Semantic Specificity in Contrastive Embedding Norms

Ziwei Su, Junyu Ren, Victor Veitch

This paper explains how discarded norms in contrastive embedding models correlate with semantic properties and provides a theoretical framework.

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cs.LGcs.CRRecentMar 31, 2026

Temporal Contrastive Transformer for Financial Crime Detection: Self-Supervised Sequence Embeddings via Predictive Contrastive Coding

Danny Butvinik, Yonit Marcus, Nitzan Tal, Gabrielle Azoulay

The paper introduces the Temporal Contrastive Transformer (TCT) for financial crime detection, demonstrating that its self-supervised embeddings capture meaningful temporal behavioral patterns, though…

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cs.LGcs.AIcs.CVRecentJun 4, 2026

In-Context Multiple Instance Learning

Alexander Möllers, Marvin Sextro, Julius Hense, Gabriel Dernbach +1 more

The paper proposes pretraining a Perceiver-style in-context learner on synthetic data to solve Multiple Instance Learning (MIL) tasks efficiently in the low-label regime.

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cs.CVcs.AIcs.CLRecentJun 3, 2026

Continual Visual and Verbal Learning Through a Child's Egocentric Input

Xiaoyang Jiang, Yanlai Yang, Kenneth A. Norman, Brenden Lake +1 more

The paper introduces BabyCL, a continual multimodal learning framework that processes egocentric video data in a single chronological pass, demonstrating that meaningful word-referent mappings can be…

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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.CLcs.AIRecentMay 27, 2026

PromptEmbedder:: Efficient and Transferable Text Embedding via Dual-LLM Soft Prompting

Yu-Che Tsai, Kuan-Yu Chen, Yuan-Hao Chen, Yu-Han Chang +3 more

PromptEmbedder introduces a dual-LLM framework that efficiently and transferably adapts text embeddings by decoupling task-specific knowledge from the backbone model, significantly reducing computatio…

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cs.LGcs.AIcs.CRRecentMay 11, 2026

Leveraging RAG for Training-Free Alignment of LLMs

John T. Halloran

The paper introduces RAG-Pref, a novel, training-free Retrieval Augmented Generation (RAG) method for preference alignment that significantly improves LLM refusal guardrails against agentic attacks wi…

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cs.CLeess.ASEmpiricalRecentJul 2, 2026

Rethinking Speech-LLM Integration for ASR: Effective Joint Speech-Text Training by Interleaving

Ruchao Fan, Yiming Wang, Rui Zhao, Liliang Ren +9 more

This paper proposes Joint Speech-Text Interleaved Pretraining (JSTIP) for speech recognition, which constructs interleaved speech-text sequences and achieves consistent entity accuracy improvement.

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cs.CRcs.LGRecentApr 9, 2026

Improving DNS Exfiltration Detection via Transformer Pretraining

Miloš Tomić, Aleksa Cvetanović, Predrag Tadić

This paper demonstrates that in-domain pretraining of BERT significantly improves the detection of DNS exfiltration, particularly in maintaining a low false positive rate.

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cs.CLRecentMay 29, 2026

Parameter Alignment Mitigates Catastrophic Forgetting in Multilingual Expert Language Models

Sanchit Ahuja, Terra Blevins

The paper introduces and evaluates five parameter alignment strategies that significantly mitigate catastrophic forgetting when continually pretraining multilingual expert language models across multi…

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cs.CVcs.CLEmpiricalRecentJul 22, 2026

Test-Time Training for Modality Order Consistency in Vision-Language Models

Aditi Gupta, Yossi Gandelsman

This paper identifies modality-order sensitivity as a failure in vision-language models and introduces a test-time training method to mitigate it, resulting in improved performance.

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cs.CVcs.AIcs.LGRecentMay 28, 2026

Learning Context-Conditioned Predicate Semantics via Prototype Feedback

NamGyu Jung, Chang Choi

The paper proposes AlignG, a method that learns context-conditioned predicate semantics by using prototype feedback to adapt relation representations based on image-specific evidence, significantly im…

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