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~ similar to 2605.29507· 20 results

cs.CLRecentJun 1, 2026

RCEM: Embedder Equipped with Query Rewriting Skill for Robust Conversational Search in Distributional Shift

Kilho Son, Paul Hsu, Cha Zhang, Dinei Florencio

RCEM is a novel conversational dense retrieval model that embeds query rewriting skills into the embedding model, significantly improving robust, context-aware search performance under distributional…

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cs.IRcs.AIcs.CLRecentMay 29, 2026

On the impact of retrieved content representations in RAG Pipelines

Jonathan J Ross, Bevan Koopman, Anton van der Vegt, Guido Zuccon

The paper systematically compares multiple content representations for RAG pipelines and finds that answer retention—the ability of the representation to preserve the original answer-bearing content—i…

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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.IRcs.AIcs.CLRecentMay 28, 2026

Latent Terms: Dense Retrievers Contain Trivially Extractable BM25-ready Zipfian Vocabularies

Benjamin Clavié, Sean Lee, Aamir Shakir, Makoto P. Kato

The paper introduces Latent Terms, a method that shows dense retrieval models implicitly learn sparse, Zipfian vocabularies that can be used for classical BM25-style sparse scoring without requiring s…

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cs.CLcs.AIcs.LGRecentJun 4, 2026

Self-Augmenting Retrieval for Diffusion Language Models

Paul Jünger, Justin Lovelace, Linxi Zhao, Dongyoung Go +1 more

The paper introduces SARDI, a novel, training-free framework that uses low-confidence 'lookahead' tokens generated during the denoising process of discrete diffusion language models to dynamically gui…

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cs.IRcs.AIRecentMay 30, 2026

Critic-R: Improving Agentic Search using Instruction-tuned Retrievers with Natural Language Introspective Feedback

Md Zarif Ul Alam, Alireza Salemi, Hamed Zamani

Critic-R introduces a novel framework that uses a critic model to provide natural language introspective feedback, significantly improving the performance of agentic search systems by optimizing retri…

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cs.IRcs.AIcs.LGRecentMay 31, 2026

Test-Time Training for Zero-Resource Dense Retrieval Reranking

Shiyan Liu, Yichen Li

The paper proposes DART, a test-time adaptation method that enhances zero-resource dense retrieval reranking by adaptively tuning a bilinear scoring matrix using pseudo-positive and pseudo-negative ex…

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cs.CLcs.IRRecentJun 2, 2026

Re-Ranking Through an Attribution Lens for Citation Quality in Legal QA

Mohamed Hesham Elganayni, Selim Saleh

The paper introduces a cross-encoder re-ranker trained on attribution scores to improve the retrieval of highly relevant citation passages for legal question answering, outperforming standard semantic…

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cs.AIcs.CLcs.LGRecentMay 28, 2026

DenseSteer: Steering Small Language Models towards Dense Math Reasoning

Yang Ouyang, Shuhang Lin, Jung-Eun Kim

DenseSteer is a training-free inference-time framework that improves the math reasoning capabilities of small language models by steering their internal representations toward a 'Dense Reasoning' patt…

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cs.CLcs.IREmpiricalRecentJun 10, 2026

uva-irlab-conv at SemEval-2026 Task 8: Multi-Turn RAG with Learned Sparse Retrieval and Listwise Reranking

Simon Lupart, Kidist Amde Mekonnen, Zahra Abbasiantaeb, Mohammad Aliannejadi

This paper proposes a multi-turn retrieval-augmented generation pipeline for conversational systems across four domains.

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cs.CLcs.AIEmpiricalRecentJun 11, 2026

Learning to Reason by Analogy via Retrieval-Augmented Reinforcement Fine-Tuning

Zilin Xiao, Qi Ma, Chun-cheng Jason Chen, Xintao Chen +3 more

This paper proposes a post-training framework called Retrieval-Augmented Reinforcement Fine-Tuning (RA-RFT) to teach language models to reason by analogy.

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cs.CLcs.LGRecentMay 29, 2026

Scaling Multi-Hop Training Data via Graph-Constrained Path Selection

Pengyu Chen, Yonggang Zhang, Mingming Chen, Jun Song +2 more

The paper proposes a graph-constrained approach to scale multi-hop training data by decoupling path discovery from path verbalization, significantly expanding the usable corpus size for LLMs.

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cs.AIRecentMay 27, 2026

Plan Before Search: Search Agents Need Plan

Zhipeng Qian, Zihan Liang, Yufei Ma, Ben Chen +6 more

The paper introduces Plan, a structured agentic behavior that decomposes multi-hop questions into ordered sub-questions before retrieval, and proposes a self-bootstrapping paradigm to train it without…

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cs.AIcs.IRRecentMay 28, 2026

Rethinking Literature Search Evaluation: Deep Research Helps, and Human Citation Lists Are Not a Ground Truth

Gaurav Sahu, Laurent Charlin, Christopher Pal

The paper introduces a Deep Research pipeline that significantly improves literature search recall and demonstrates that human-curated citation lists are often unreliable and do not serve as a true gr…

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cs.LGcs.AIcs.CLRecentMay 27, 2026

CosmicFish-HRM: Adaptive Reasoning via Hierarchical Recurrent Mechanisms in Compact Language Models

Venkat Akhil Lakkapragada

The paper introduces CosmicFish-HRM, a compact language model that achieves adaptive reasoning by dynamically allocating computational effort through a Hierarchical Reasoning Module (HRM), showing tha…

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cs.AIcs.IRcs.LGRecentMay 28, 2026

CoHyDE: Iterative Co-Training of LLM Rewriter & Dense Encoder for Tool Retrieval

Vaishali Senthil, Ashutosh Hathidara, Sebastian Schreiber

CoHyDE introduces an iterative co-training framework that jointly optimizes an LLM rewriter and a dense encoder, significantly improving tool retrieval accuracy for LLM agents, especially on vague que…

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cs.CLcs.AIcs.LGRecentJun 1, 2026

Off-the-Shelf LLMs as Process Scorers: Training-Free Alternative to PRMs for Mathematical Reasoning

Atoosa Chegini, Soheil Feizi

The paper introduces Chunk-Level Guided Generation, a training-free method that uses an off-the-shelf large language model (LLM) as a process scorer to guide small model generation, achieving performa…

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cs.IRcs.AIRecentMay 30, 2026

SkillPager: Query-Adaptive Intra-Skill Navigation via Semantic Node Retrieval

Zicai Cui, Zihan Guo, Weiwen Liu, Weinan Zhang

SkillPager is a novel two-stage framework that efficiently selects minimal, execution-sufficient context from large procedural skill documents by leveraging typed semantic nodes, significantly reducin…

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cs.IRcs.AIcs.CLRecentJun 4, 2026

OneReason Technical Report

OneRec Team, Biao Yang, Boyang Ding, Chenglong Chu +80 more

The paper proposes OneReason, a framework that enhances the reasoning capability of generative recommendation models by focusing on improving item perception and structuring user behavior into coheren…

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cs.IRcs.AIRecentMay 29, 2026

SPECTRA: Synthetic IR Test Collections with Relevance Oracles and Controlled Distractor Diagnostics

Eric Liang

The paper introduces SPECTRA, a scalable framework for generating large, synthetic, and controllable information retrieval test collections, demonstrating its ability to expose system scaling and fail…

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