HALT: Verification-Aware Stopping for Retrieval-Augmented Search Agents

arXiv:2608.02009 · cs.AI · Submitted 2026-08-03 · Read on arXiv

cs.AI

Submitted: 2026-08-03

Updated: 2026-08-28

Code: https://github.com/Noverse0/HALT

Terminology

• Verifier — 77× in this paper · explained in 2 episodes
• RAG — 13× in this paper · explained in 3 episodes
• Verification — 13× in this paper · explained in 2 episodes
• Benchmark — 12× in this paper · explained in 2 episodes
• Robustness — 11× in this paper · explained in 5 episodes
• Ablation — 10× in this paper · explained in 1 episode
• Quantization — 6× in this paper · explained in 12 episodes
• Accuracy — 5× in this paper · explained in 1 episode
• Alignment — 5× in this paper · explained in 1 episode
• Redundancy — 5× in this paper · explained in 2 episodes
• Transformer — 4× in this paper · explained in 2 episodes
• Abstention — 3× in this paper · explained in 1 episode
• International Conference on Learning Representations — 3× in this paper
• Reinforcement Learning — 3× in this paper · explained in 4 episodes
• Adam — 2× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Decode — 2× in this paper · explained in 2 episodes
• Actor — 1× in this paper · explained in 3 episodes
• Adaptation — 1× in this paper · explained in 1 episode
• Agentic Retrieval — 1× in this paper · explained in 1 episode
• Distribution Shift — 1× in this paper · explained in 6 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Hallucination — 1× in this paper · explained in 3 episodes
• Retrieval-Augmented Generation (RAG) — 1× in this paper · explained in 16 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• ReSearch: Learning to Reason with Search for LLMs via Reinforcement Learning
• FrugalRAG: Less is More in RL Finetuning for Multi-Hop Question Answering
• Search-R1: Training LLMs to Reason and Leverage Search Engines with Reinforcement Learning
• SuRe: Summarizing Retrievals using Answer Candidates for Open-domain QA of LLMs
• Stop-RAG: Value-Based Retrieval Control for Iterative RAG
• Text Embeddings by Weakly-Supervised Contrastive Pre-training
• Qwen2.5 Technical Report

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