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The search for information on the web is faced with several problems, which arise on the one hand from the vast number of available sources, and on the other hand from their heterogeneity. A promising approach is the use of multi-agent…

Multiagent Systems · Computer Science 2007-05-23 T. Eiter , M. Fink , G. Sabbatini , H. Tompits

The exponential growth of scientific knowledge has created significant barriers to cross-disciplinary knowledge discovery, synthesis and research collaboration. In response to this challenge, we present BioSage, a novel compound AI…

Large language models (LLMs) are widely used in retrieval-augmented generation (RAG) to incorporate external knowledge at inference time. However, when retrieved contexts are noisy, incomplete, or heterogeneous, a single generation process…

Computation and Language · Computer Science 2026-04-22 Xingchen Xiao , Heyan Huang , Runheng Liu , Jincheng Xie

As large language models (LLMs) become more specialized, we envision a future where millions of expert LLMs exist, each trained on proprietary data and excelling in specific domains. In such a system, answering a query requires selecting a…

Financial document question answering (QA) demands complex multi-step numerical reasoning over heterogeneous evidence--structured tables, textual narratives, and footnotes--scattered across corporate filings. Existing retrieval-augmented…

Artificial Intelligence · Computer Science 2026-05-08 Yang Shu , Yingmin Liu , Zequn Xie

Retrieval-Augmented Large Language Models (LLMs), which incorporate the non-parametric knowledge from external knowledge bases into LLMs, have emerged as a promising approach to enhancing response accuracy in several tasks, such as…

Computation and Language · Computer Science 2024-03-29 Soyeong Jeong , Jinheon Baek , Sukmin Cho , Sung Ju Hwang , Jong C. Park

Agentic search has emerged as a promising paradigm for complex information seeking by enabling Large Language Models (LLMs) to interleave reasoning with tool use. However, prevailing systems rely on monolithic agents that suffer from…

Artificial Intelligence · Computer Science 2026-01-09 Yiqun Chen , Lingyong Yan , Zixuan Yang , Erhan Zhang , Jiashu Zhao , Shuaiqiang Wang , Dawei Yin , Jiaxin Mao

Existing retrieval-augmented generation (RAG) systems are primarily designed under the assumption that each query has a single correct answer. This overlooks common information-seeking scenarios with multiple plausible answers, where…

Computation and Language · Computer Science 2026-02-03 Tianyi Hu , Niket Tandon , Akhil Arora

We propose a methodology that combines several advanced techniques in Large Language Model (LLM) retrieval to support the development of robust, multi-source question-answer systems. This methodology is designed to integrate information…

Artificial Intelligence · Computer Science 2024-12-25 Antony Seabra , Claudio Cavalcante , Joao Nepomuceno , Lucas Lago , Nicolaas Ruberg , Sergio Lifschitz

Accurate and reliable knowledge retrieval is vital for financial question-answering, where continually updated data sources and complex, high-stakes contexts demand precision. Traditional retrieval systems rely on a single database and…

The rapid spread of misinformation in the digital era poses significant challenges to public discourse, necessitating robust and scalable fact-checking solutions. Traditional human-led fact-checking methods, while credible, struggle with…

Artificial Intelligence · Computer Science 2025-06-24 Tam Trinh , Manh Nguyen , Truong-Son Hy

Domain-specific question answering (QA) systems for services face unique challenges in integrating heterogeneous knowledge sources while ensuring both accuracy and safety. Existing large language models often struggle with factual…

Computation and Language · Computer Science 2025-12-03 Lei Fu , Xiang Chen , Kaige Gao Xinyue Huang , Kejian Tong

Multi-document Multi-entity Question Answering inherently demands models to track implicit logic between multiple entities across scattered documents. However, existing Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG)…

Artificial Intelligence · Computer Science 2026-03-13 Teng Lin , Yizhang Zhu , Zhengxuan Zhang , Yuyu Luo , Nan Tang

Retrieval-Augmented Generation (RAG) has significantly improved the performance of large language models (LLMs) on knowledge-intensive tasks in recent years. However, since retrieval systems may return irrelevant content, incorporating such…

Computation and Language · Computer Science 2025-09-26 Tomoaki Isoda

Large Language Models (LLMs) have shown remarkable performance on general Question Answering (QA), yet they often struggle in domain-specific scenarios where accurate and up-to-date information is required. Retrieval-Augmented Generation…

Computation and Language · Computer Science 2026-02-13 Haoyue Bai , Haoyu Wang , Shengyu Chen , Zhengzhang Chen , Lu-An Tang , Wei Cheng , Haifeng Chen , Yanjie Fu

Representing knowledge with the use of ontology description languages offers several advantages arising from knowledge reusability, possibilities of carrying out reasoning processes and the use of existing concepts of knowledge integration.…

Multiagent Systems · Computer Science 2013-04-09 Anna Zygmunt , Jarosław Koźlak , Leszek Siwik

With the rapid evolution of Large Language Models (LLMs), generative recommendation is gradually reshaping the paradigm of recommender systems. However, most existing methods remain confined to the interaction-driven next-item prediction…

Information Retrieval · Computer Science 2026-04-21 Yang Yu , Lei Kou , Huaikuan Yi , Bin Chen , Yayu Cao , Lei Shen , Chao Zhang , Bing Wang , Xiaoyi Zeng

Retrieval-augmented generation (RAG) systems offer a promising approach to reduce hallucinations and improve answer accuracy in large language models (LLMs), a requirement for reliable, financial analysis where answers must be grounded in…

Machine Learning · Computer Science 2026-05-26 Magnus Samuelsen , Wilmer Nyström , Somnath Mazumdar , Mansoor Hussain , Mikkel Strange

Inspired by the dual-process theory of human cognition from \textit{Thinking, Fast and Slow}, we introduce \textbf{PRIME} (Planning and Retrieval-Integrated Memory for Enhanced Reasoning), a multi-agent reasoning framework that dynamically…

Artificial Intelligence · Computer Science 2025-11-12 Hieu Tran , Zonghai Yao , Nguyen Luong Tran , Zhichao Yang , Feiyun Ouyang , Shuo Han , Razieh Rahimi , Hong Yu

Analytical information needs, such as trend analysis and causal impact assessment, are prevalent across various domains including law, finance, science, and much more. However, existing information retrieval paradigms, whether based on…

Information Retrieval · Computer Science 2026-02-13 Yiteng Tu , Shuo Miao , Weihang Su , Yiqun Liu , Qingyao Ai