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New AI agent frameworks tackle safety and retrieval challenges

Researchers are developing new frameworks to enhance the safety and efficiency of AI agents, particularly those that interact with external data sources like the web. Several papers introduce methods for improving retrieval-augmented generation (RAG) systems, addressing issues such as safety degradation, medical reasoning, and time-sensitive news retrieval. Techniques include multi-agent approaches, cognitive tree exploration, and dynamic retrieval trees to better handle complex reasoning and ensure reliable information access. AI

IMPACT These advancements aim to improve the reliability, safety, and efficiency of AI agents in complex tasks like web search, medical reasoning, and news retrieval.

RANK_REASON Multiple research papers introducing novel frameworks and methodologies for AI agents and retrieval systems.

Read on arXiv cs.IR (Information Retrieval) →

AI-generated summary · Google Gemini · from 35 sources. How we write summaries →

New AI agent frameworks tackle safety and retrieval challenges

COVERAGE [35]

  1. arXiv cs.AI TIER_1 English(EN) · Anuj Maharjan, Devinder Kaur, Richard Molyet ·

    Agent-Orchestrated Adaptive RAG: A Comparative Study on Structured and Multi-Hop Retrieval

    arXiv:2606.05658v1 Announce Type: cross Abstract: Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by grounding their responses in external knowledge, but conventional pipelines rely on static, single-step retrieval that limits performance on complex que…

  2. arXiv cs.CL TIER_1 English(EN) · Xiaoman Wang, Yaoze Zhang, Wenzhuo Fan, Hongwei Zhang, Ding Wang, Guohang Yan, Song Mao, Botian Shi, Yunshi Lan, Pinlong Cai ·

    IA-RAG: Interval-Algebra-Driven Temporal Reasoning for Dynamic Knowledge Retrieval

    arXiv:2606.06044v1 Announce Type: new Abstract: Retrieval-Augmented Generation (RAG) has shown strong effectiveness in grounding Large Language Models (LLMs) with external knowledge. However, existing RAG and Graph RAG frameworks largely treat knowledge as static or associate tim…

  3. arXiv cs.CL TIER_1 English(EN) · Pinlong Cai ·

    IA-RAG: Interval-Algebra-Driven Temporal Reasoning for Dynamic Knowledge Retrieval

    Retrieval-Augmented Generation (RAG) has shown strong effectiveness in grounding Large Language Models (LLMs) with external knowledge. However, existing RAG and Graph RAG frameworks largely treat knowledge as static or associate time with coarse-grained timestamps or metadata, fa…

  4. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Richard Molyet ·

    Agent-Orchestrated Adaptive RAG: A Comparative Study on Structured and Multi-Hop Retrieval

    Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by grounding their responses in external knowledge, but conventional pipelines rely on static, single-step retrieval that limits performance on complex queries. This paper presents an Agent-Orchestrated Ad…

  5. arXiv cs.CL TIER_1 English(EN) · Mingyan Wu, Zhenghao Liu, Xinze Li, Yuqing Lan, Yukun Yan, Shuo Wang, Cheng Yang, Minghe Yu, Zheni Zeng, Maosong Sun ·

    Finding What Matters: Anchoring Context Knowledge with Evolving Indices for Iterative Retrieval

    arXiv:2601.16462v2 Announce Type: replace Abstract: Retrieval-Augmented Generation (RAG) has become a dominant paradigm for mitigating hallucinations in Large Language Models (LLMs) by incorporating external knowledge. However, existing RAG systems often struggle to effectively i…

  6. arXiv cs.AI TIER_1 English(EN) · Sidra Nasir, Muhammad Noman Zahid, Rizwan Ahmed Khan ·

    TCAR-Gen: Temporal Graph Retrieval with Evidence Fusion for Knowledge-Grounded Generation

    arXiv:2606.00029v1 Announce Type: cross Abstract: Retrieval-augmented generation systems struggle with temporal reasoning and evidence fusion when answering complex questions over historical criminal case narratives. Existing approaches either retrieve independently of query sema…

  7. arXiv cs.AI TIER_1 English(EN) · Chuanjie Wu, Zhishang Xiang, Yunbo Tang, Zerui Chen, Qinggang Zhang, Jinsong Su ·

    MemGraphRAG: Memory-based Multi-Agent System for Graph Retrieval-Augmented Generation

    arXiv:2606.00610v1 Announce Type: cross Abstract: Retrieval-Augmented Generation (RAG) has become an essential method for mitigating hallucinations in Large Language Models (LLMs) by leveraging external knowledge. Although effective for simple queries, traditional RAG struggles w…

  8. arXiv cs.AI TIER_1 English(EN) · Elisabeth Kirsten, Jost Grosse Perdekamp, Qinyuan Wu, Mihir Upadhyay, Krishna P. Gummadi, Muhammad Bilal Zafar ·

    Characterizing Web Search in The Age of Generative AI

    arXiv:2510.11560v2 Announce Type: replace-cross Abstract: The advent of LLMs has given rise to generative search, a new search paradigm in which LLMs retrieve information from the web related to a query and synthesize it into a single, coherent response. This paradigm differs fun…

  9. arXiv cs.AI TIER_1 English(EN) · Yongfeng Huang, Ruiying Chen, James Cheng ·

    SEMA-RAG: A Self-Evolving Multi-Agent Retrieval-Augmented Generation Framework for Medical Reasoning

    arXiv:2605.17101v2 Announce Type: replace-cross Abstract: Retrieval-Augmented Generation (RAG) is widely employed to mitigate risks such as hallucinations and knowledge obsolescence in medical question answering, yet its predominantly single-round, static retrieval paradigm misal…

  10. arXiv cs.AI TIER_1 English(EN) · Siyuan Qi, Xinyuan Wang, Yingxuan Yang, Haochuan Guo, Jianghao Lin, Weiwen Liu, Yong Yu, Weinan Zhang ·

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

    arXiv:2605.31377v1 Announce Type: cross Abstract: Agentic Retrieval-Augmented Generation improves retrieval by integrating planning, tool use, and iterative reasoning, but existing agentic RAG methods often couple semantic expansion with retrieval decisions in short-horizon infer…

  11. arXiv cs.AI TIER_1 English(EN) · Wenkai Shen, Pengyang Zhou, Jiahe Xu, Jiaming Qian, Haozhe He, Zhihao Huang, Chaochao Chen, Xiaolin Zheng ·

    COMPASS: Cognitive MCTS-Guided Process Alignment for Safe Search Agents

    arXiv:2605.30838v1 Announce Type: new Abstract: LLM-powered search agents enable multi-step reasoning and tool use. However, these capabilities introduce retrieval-induced safety degradation, as harmful intents may decompose into seemingly innocuous sub-queries that lead to unsaf…

  12. arXiv cs.MA (Multiagent) TIER_1 English(EN) · Jinsong Su ·

    MemGraphRAG: Memory-based Multi-Agent System for Graph Retrieval-Augmented Generation

    Retrieval-Augmented Generation (RAG) has become an essential method for mitigating hallucinations in Large Language Models (LLMs) by leveraging external knowledge. Although effective for simple queries, traditional RAG struggles with large-scale, unstructured corpora where inform…

  13. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Weinan Zhang ·

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

    Agentic Retrieval-Augmented Generation improves retrieval by integrating planning, tool use, and iterative reasoning, but existing agentic RAG methods often couple semantic expansion with retrieval decisions in short-horizon inference loops, leading to high inference cost and lim…

  14. arXiv cs.AI TIER_1 English(EN) · Alireza Salemi, Chang Zeng, Atharva Nijasure, Jui-Hui Chung, Razieh Rahimi, Fernando Diaz, Hamed Zamani ·

    GrepSeek: Training Search Agents for Direct Corpus Interaction

    arXiv:2605.29307v1 Announce Type: cross Abstract: Large Language Model (LLM) search agents have shown strong promise for knowledge-intensive language tasks through multiple rounds of reasoning and information retrieval. Most existing systems access information using a retriever t…

  15. arXiv cs.AI TIER_1 Deutsch(DE) · Jimin Jung, MyoungJin Kim, Jaehyung Seo, Heuiseok Lim ·

    No Reader Left Behind: Multi-Agent Summaries Everyone Can Understand

    arXiv:2605.28836v1 Announce Type: cross Abstract: The Plain Writing Act in the United States requires government documents to be accessible in clear and simple language that the general public can easily understand, yet existing summarization systems struggle to address diverse l…

  16. arXiv cs.AI TIER_1 English(EN) · Aditya Nawal, Manit Baser, Mohan Gurusamy ·

    Relevance as a Vulnerability: How Web Retrieval Degrades Safety Alignment in LLM Agents

    arXiv:2605.29224v1 Announce Type: cross Abstract: AI agents augment large language models with external tools such as web retrieval, enabling grounded and up-to-date responses. However, incorporating external content into the generation pipeline can weaken the safety alignment me…

  17. arXiv cs.AI TIER_1 English(EN) · Jianshuo Dong, Sheng Guo, Hao Wang, Xun Chen, Zhuotao Liu, Tianwei Zhang, Ke Xu, Minlie Huang, Han Qiu ·

    SafeSearch: Automated Red-Teaming of LLM-Based Search Agents

    arXiv:2509.23694v5 Announce Type: replace Abstract: Search agents connect LLMs to the Internet, enabling them to access broader and more up-to-date information. However, this also introduces a new threat surface: unreliable search results can mislead agents into producing unsafe …

  18. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Jie Liu ·

    GRASP: Plan-Guided Graph Retrieval with Adaptive Fusion and Reranking on Semi-Structured Knowledge Bases

    Semi-structured knowledge bases (SKBs) embed textual documents in a typed graph of entities and relations, and underpin applications such as product search, academic paper search, and precision-medicine inquiries. Existing hybrid retrieval systems on SKBs either use the graph onl…

  19. arXiv cs.AI TIER_1 English(EN) · Shiyu Chen, Tarfah Alrashed, Alon Halevy, Natasha Noy ·

    Do Agents Need Semantic Metadata? A Comparative Study in Agentic Data Retrieval

    arXiv:2605.28787v1 Announce Type: cross Abstract: In the era of autonomous agents, machine-actionable data is critical for data-driven workflows. For more than a decade, semantic metadata like schema.org has anchored the FAIR principles (Findable, Accessible, Interoperable, and R…

  20. arXiv cs.AI TIER_1 English(EN) · Kenny Daniel ·

    A Query Engine for the Agents

    arXiv:2605.27785v1 Announce Type: new Abstract: The fastest-growing data in production today is unstructured text: agent traces, chat logs, reasoning chains, model outputs. People want to analyze it, and the questions worth asking ("show me where the agent got confused") cannot b…

  21. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Hamed Zamani ·

    GrepSeek: Training Search Agents for Direct Corpus Interaction

    Large Language Model (LLM) search agents have shown strong promise for knowledge-intensive language tasks through multiple rounds of reasoning and information retrieval. Most existing systems access information using a retriever that takes a keyword or natural language query and …

  22. Hugging Face Daily Papers TIER_1 English(EN) ·

    GrepSeek: Training Search Agents for Direct Corpus Interaction

    GrepSeek enables efficient search agent training through direct corpus interaction using shell commands and a two-stage approach combining a cold-start dataset and group relative policy optimization.

  23. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Natasha Noy ·

    Do Agents Need Semantic Metadata? A Comparative Study in Agentic Data Retrieval

    In the era of autonomous agents, machine-actionable data is critical for data-driven workflows. For more than a decade, semantic metadata like schema.org has anchored the FAIR principles (Findable, Accessible, Interoperable, and Reusable) for machine-actionable data and enabled d…

  24. arXiv cs.AI TIER_1 English(EN) · Hao Wang, Jialun Zhong, Changcheng Wang, Zhujun Nie, Zheng Li, Shunyu Yao, Yanzeng Li, Xinchi Li ·

    SEAL: Self-Evolving Agentic Learning for Conversational Question Answering over Knowledge Graphs

    arXiv:2512.04868v2 Announce Type: replace-cross Abstract: Knowledge-based conversational question answering (KBCQA) confronts persistent challenges in resolving coreference, modeling contextual dependencies, and executing complex logical reasoning. Existing approaches often suffe…

  25. arXiv cs.AI TIER_1 English(EN) · Melissa Z. Pan, Negar Arabzadeh, Mathew Jacob, Fiodar Kazhamiaka, Esha Choukse, Matei Zaharia ·

    Natural Language Query to Configuration for Retrieval Agents

    arXiv:2605.27361v1 Announce Type: new Abstract: Modern retrieval agents expose many configuration choices -- LLM, retriever, number of documents, number of hops, and synthesis strategy -- each shaping both answer quality and serving cost. Today, these pipelines are typically hand…

  26. arXiv cs.LG TIER_1 English(EN) · Nilesh Gupta, Wei-Cheng Chang, Ngot Bui, Cho-Jui Hsieh, Inderjit S. Dhillon ·

    LLM-guided Hierarchical Search for End-to-end Reasoning Intensive Retrieval

    arXiv:2510.13217v2 Announce Type: replace-cross Abstract: Search systems are increasingly used for reasoning-intensive queries, where what makes a document relevant requires understanding or reasoning over the query-document relation rather than relying on surface vocabulary or t…

  27. arXiv cs.AI TIER_1 English(EN) · Matei Zaharia ·

    Natural Language Query to Configuration for Retrieval Agents

    Modern retrieval agents expose many configuration choices -- LLM, retriever, number of documents, number of hops, and synthesis strategy -- each shaping both answer quality and serving cost. Today, these pipelines are typically hand-tuned once per workload, leaving substantial pe…

  28. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Xuanjing Huang ·

    Rethinking Agentic RAG: Toward LLM-Driven Logical Retrieval Beyond Embeddings

    Recent advances in RAG have shifted toward an agentic paradigm, where LLMs interact with retrieval systems over multiple turns and iteratively refine queries based on intermediate results. At the same time, LLMs have demonstrated a strong ability to construct structured queries t…

  29. arXiv cs.AI TIER_1 English(EN) · Gaurab Chhetri, Subasish Das, Tausif Islam Chowdhury ·

    SPARK: Search Personalization via Agent-Driven Retrieval and Knowledge-sharing

    arXiv:2512.24008v3 Announce Type: replace Abstract: Personalized search demands the ability to model users' evolving, multi-dimensional information needs; a challenge for systems constrained by static profiles or monolithic retrieval pipelines. We present SPARK (Search Personaliz…

  30. arXiv cs.CL TIER_1 English(EN) · Haoliang Ming, Feifei Li, Xiaoqing Wu, Wenhui Que ·

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

    arXiv:2605.25480v1 Announce Type: new Abstract: LLM agents require retrieval to behave less like one-shot context fetching and more like reasoning: searching, reading, traversing, and deciding when evidence is sufficient. However, Retrieval-Augmented Generation (RAG) typically or…

  31. arXiv cs.CL TIER_1 English(EN) · Wenhui Que ·

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

    LLM agents require retrieval to behave less like one-shot context fetching and more like reasoning: searching, reading, traversing, and deciding when evidence is sufficient. However, Retrieval-Augmented Generation (RAG) typically organizes external knowledge as flat chunks retrie…

  32. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Lingtao Mao ·

    Search-E1: Self-Distillation Drives Self-Evolution in Search-Augmented Reasoning

    Post-training has become the dominant recipe for turning a language model into a competent search-augmented reasoning agent. A line of recent work pushes its performance further by adding elaborate machinery on top of this standard pipeline. These augmentations import external su…

  33. Medium — MCP tag TIER_1 English(EN) · Blck Alpaca ·

    Model Context Protocol: The New SEO for AI Agent Discovery

    <div class="medium-feed-item"><p class="medium-feed-snippet">Search marketing has reached an inflection point that most DACH enterprises are dangerously unprepared for. While your team perfects&#x2026;</p><p class="medium-feed-link"><a href="https://blckalpaca.medium.com/model-co…

  34. Lobsters — AI tag TIER_1 English(EN) · leoniemonigatti.com via mrfabbri ·

    Agentic Search for Context Engineering

    <p><a href="https://lobste.rs/s/sfdb0q/agentic_search_for_context_engineering">Comments</a></p>

  35. dev.to — LLM tag TIER_1 English(EN) · Shreyans Padmani ·

    Naive RAG vs Agentic RAG: The Evolution of Intelligent Retrieval

    <p>Naive RAG retrieves relevant documents and generates answers from them in a single step. Agentic RAG goes further by planning, reasoning, validating information, and performing multiple retrieval cycles when needed. This makes Agentic RAG more accurate, adaptable, and effectiv…