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From Association to Causation: Improving Retrieval Precision of Retrieval-Augmented Generation via Causal Relations and an Attention Mechanism

arXiv:2608.21702v1 Announce Type: new Abstract: Retrieval-Augmented Generation (RAG) grounds LLM generation on retrieved documents, but the standard terminal retrieval stage--dense-vector similarity,

applicationsarxiv-cs-ai

25 Aug 2026

Search: “retrieval”

Retrieval Grounding Latent Reasoning for Dense Retrieval

When Retrieval Helps: Selective Retrieval for Single-Turn Mental-Health QA

Learning from Failures: Retrieval-Centric CoT via Hard Negatives for Unified Multimodal Retrieval

When Retrieval Hurts: Measuring and Explaining Retrieval-Induced Hallucination in Chest X-ray Report Generation

Superintelligent Retrieval Agent: The Next Frontier of Agentic Retrieval

PRIME: Pre-Retrieval Index Modeling Enhancement for Structured Document Retrieval-Real

Assessing the Downstream Utility of Evidence-Aware Retrieval in RAG

With Argus Eyes: Assessing Retrieval Gaps via Uncertainty Scoring to Detect and Remedy Retrieval Blind Spots

Stable-RAG: Mitigating Retrieval-Permutation-Induced Hallucinations in Retrieval-Augmented Generation

VoiceTrace: A Benchmark and Retrieval Framework for Who-Said-What Speech Retrieval

PAGR: Proof-Carrying Algebraic-Geometric Retrieval: A Quiver-, Provenance-, and Sheaf-Theoretic Framework for Grounded LLM Retrieval

HyBIRD: Hyperbolic Bridge Retrieval and Diagnosis for Methodology Inspiration Retrieval

Know Before You Fetch: Calibrated Retrieval-Budget Allocation for Retrieval-Augmented Generation

Learning to Retrieve: Internalizing Memory Retrieval for Video World Models

Retrieved but not ranked: surface-form bias in structural retrieval, from mathematics to agent trajectories

Learning from What You Retrieve: Online RL Fine-Tuning for Semantic Retrieval

Retrieved But Not Reliable: A Survey on Attacks, and Defenses in Retrieval-Augmented Generation

From Association to Causation: Improving Retrieval Precision of Retrieval-Augmented Generation via Causal Relations and an Attention Mechanism

Generative Universal Multimodal Retrieval with Dual-role Identifiers

Does More Retrieved Evidence Help Visual Retrieval-Augmented Generation with Diffusion Language Models?

Spectral Retrieval: Multi-Scale Sinc Convolution over Token Embeddings for Localized Retrieval in LLM Multi-Agent Systems

Retrieve Only Relevant Tables Whether Few or Many: Adaptive Table Retrieval Method

HaS: Accelerating RAG through Homology-Aware Speculative Retrieval

To Memorize or to Retrieve: Scaling the Interaction Between Pretraining and Retrieval

VecTree-RAG: An Agentic Retrieval-Augmented Generation Framework Combining Vector and Tree Retrieval for Efficiency and Accuracy

// In-context Retrieval at Million-token Scale // Great study providing better understanding of retrieval at million-token scale. They run t…

HypRAG: Hyperbolic Dense Retrieval for Retrieval Augmented Generation

DynaTree: Dynamic Agentic Retrieval Tree for Time-Sensitive News Retrieval

When to Retrieve During Reasoning: Adaptive Retrieval for Large Reasoning Models

A Systematic Study of Retrieval Pipeline Design for Retrieval-Augmented Medical Question Answering

Autoregressive Retriever: Improving Query Understanding from Item Feedback for Universal Multimodal Retrieval

PAGE-RAG: Provenance-Aware Graph Evidence Promotion for Fixed-Budget Multi-hop Retrieval-Augmented Generation

High-Dimensional Concentration and Retrieval Instability in Embedding Spaces: Implications for Retrieval-Augmented Generation

Checking Fact with Better Retrieval: Dynamic Contrastive Learning for Evidence Retrieval

Benchmarking Retrieval Strategies for Biomedical Retrieval-Augmented Generation: A Controlled Empirical Study

StratRAG: A Multi-Hop Retrieval Evaluation Dataset for Retrieval-Augmented Generation Systems

When Tool-Backed Skill Retrieval Fails: Source-Style Collapse in Executable Capability Retrieval

UniHEAR: Unified Heterogeneous-Source Attentive Retrieval for Knowledge-Based Visual Question Answering

Do Current Retrievers Cover All the Evidence? A Controlled Study of Conjunctive Cross-Page Retrieval

PRA-RAG: Provably Robust Aggregation in Retrieval-Augmented Generation against Retrieval Corruption

Retrieval as Reasoning: Self-Evolving Agent-Native Retrieval via LLM-Wiki

Tool Retrieval Bridge: Aligning Vague Instructions with Retriever Preferences via Bridge Model

From Transformation to Target State: Rethinking Query Representation for Zero-Shot Composed Image Retrieval

Re-ranking and Late Interaction Drive Retrieval Quality: A Controlled Comparison of RAG Strategies for Scientific Question Answering

MARS: What Retrieval Signals Are Hidden in Multimodal Large Language Models for Text-Video Retrieval?

ViSAR: Training-Free Adaptive-k Retrieval for Visual Document Question Answering

VisDocAgentBench: Benchmarking Agents for Visually Rich Document Retrieval

Predict, Then Retrieve: Cross-Instance Future-State Retrieval from Video Prefixes