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While Retrieval-Augmented Generation (RAG) has proven effective for generating accurate, context-based responses based on existing knowledge bases, it presents several challenges including retrieval quality dependencies, integration…

Information Retrieval · Computer Science 2026-03-02 Shreyas Subramanian , Adewale Akinfaderin , Yanyan Zhang , Ishan Singh , Mani Khanuja , Sandeep Singh , Maira Ladeira Tanke

Retrieval-Augmented Generation (RAG) utilizes external knowledge to augment Large Language Models' (LLMs) reliability. For flexibility, agentic RAG employs autonomous, multi-round retrieval and reasoning to resolve queries. Although recent…

Information Retrieval · Computer Science 2025-11-10 Chao Zhang , Yuhao Wang , Derong Xu , Haoxin Zhang , Yuanjie Lyu , Yuhao Chen , Shuochen Liu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen

Explaining why dense retrievers assign high relevance scores remains challenging because retrieval decisions are made through opaque high-dimensional embeddings. Existing explanations often focus on surface signals, such as lexical matches,…

Artificial Intelligence · Computer Science 2026-05-29 Zhixin Cai , Jun Bai , Yang Liu , Jiaqi Li , Yichi Zhang , Taichuan Li , Zhuofan Chen , Zixia Jia , Zilong Zheng , Wenge Rong

Large Language Model (LLM) agents have emerged as powerful tools for automating complex tasks by leveraging the reasoning and decision-making abilities of LLMs. However, a major bottleneck in current agent frameworks lies in the high…

Artificial Intelligence · Computer Science 2025-11-19 Jingyi Jia , Qinbin Li

We create an artificial system of agents (attention-based neural networks) which selectively exchange messages with each-other in order to study the emergence of memetic evolution and how memetic evolutionary pressures interact with genetic…

Artificial Intelligence · Computer Science 2021-04-09 Nicholas Guttenberg , Marek Rosa

Online lifelong learning enables agents to accumulate experience across interactions and continually improve on long-horizon tasks. However, existing methods typically treat retrieval from past experience as a passive operation, triggering…

Computation and Language · Computer Science 2026-04-23 Yuxuan Cai , Jie Zhou , Qin Chen , Liang He

Deep research systems are widely used for multi-step web research, analysis, and cross-source synthesis, yet their evaluation remains challenging. Existing benchmarks often require annotation-intensive task construction, rely on static…

Computation and Language · Computer Science 2026-01-15 Yibo Wang , Lei Wang , Yue Deng , Keming Wu , Yao Xiao , Huanjin Yao , Liwei Kang , Hai Ye , Yongcheng Jing , Lidong Bing

As LLM agents are increasingly deployed with large libraries of reusable skills, selecting the right skill for a user request has become a critical systems challenge. In small libraries, users may invoke skills explicitly by name, but this…

Artificial Intelligence · Computer Science 2026-05-08 Hongcheol Cho , Ryangkyung Kang , Youngeun Kim

Bibliometric analysis is essential for understanding research trends, scope, and impact in urban science, especially in high-impact journals, such Nature Portfolios. However, traditional methods, relying on keyword searches and basic NLP…

Digital Libraries · Computer Science 2024-10-15 Haowen Xu , Xueping Li , Jose Tupayachi , Jianming , Lian , Femi Omitaomu

Search engine has become a fundamental component in various web and mobile applications. Retrieving relevant documents from the massive datasets is challenging for a search engine system, especially when faced with verbose or tail queries.…

Information Retrieval · Computer Science 2020-08-11 Kuan Fang , Long Zhao , Zhan Shen , RuiXing Wang , RiKang Zhour , LiWen Fan

The evolution of recommender systems has shifted from traditional collaborative filtering to LLM-based agentic systems, which rely on semantic user and item memories to make predictions. However, existing agents maintain these memories in…

Information Retrieval · Computer Science 2026-04-29 Weixin Chen , Yuhan Zhao , Jingyuan Huang , Zihe Ye , Clark Mingxuan Ju , Tong Zhao , Neil Shah , Li Chen , Yongfeng Zhang

Code Search is a key task that many programmers often have to perform while developing solutions to problems. Current methodologies suffer from an inability to perform accurately on prompts that contain some ambiguity or ones that require…

Software Engineering · Computer Science 2024-08-22 Sarthak Jain , Aditya Dora , Ka Seng Sam , Prabhat Singh

Deep research has emerged as an important task that aims to address hard queries through extensive open-web exploration. To tackle it, most prior work equips large language model (LLM)-based agents with opaque web search APIs, enabling…

Information Retrieval · Computer Science 2026-02-26 Chuan Meng , Litu Ou , Sean MacAvaney , Jeff Dalton

Tool-augmented language models have demonstrated strong capabilities, but their reliance on live API access creates scalability and reliability challenges during training and deployment. We propose MTR, a simulation-first training framework…

Computation and Language · Computer Science 2025-10-10 Chenpeng Wang , Xiaojie Cheng , Chunye Wang , Linfeng Yang , Lei Zhang

This paper summarizes our work on the first track of the ninth Dialog System Technology Challenge (DSTC 9), "Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access". The goal of the task is to generate…

Computation and Language · Computer Science 2021-02-10 David Thulke , Nico Daheim , Christian Dugast , Hermann Ney

Large language model (LLM) applications such as agents and domain-specific reasoning increasingly rely on context adaptation: modifying inputs with instructions, strategies, or evidence, rather than weight updates. Prior approaches improve…

Ad hoc dataset search requires matching underspecified natural-language queries against sparse, heterogeneous metadata records, a task where typical lexical or dense retrieval alone falls short. We reposition dataset search as a…

Information Retrieval · Computer Science 2026-04-21 Riccardo Terrenzi , Phongsakon Mark Konrad , Tim Lukas Adam , Serkan Ayvaz

Selecting an appropriate pre-trained source model is a critical, yet computationally expensive, task in transfer learning. Model Transferability Estimation (MTE) methods address this by providing efficient proxy metrics to rank models…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Yuhang Liu , Wenjie Zhao , Yunhui Guo

Retrieval-Augmented Generation (RAG) enables Large Language Models (LLMs) to extend their existing knowledge by dynamically incorporating external information. However, practical deployment is fundamentally constrained by the LLM's finite…

Information Retrieval · Computer Science 2026-03-24 Jiarui Guo , Yuemeng Xu , Zongwei Lv , Yangyujia Wang , Xiaolin Wang , Kan Liu , Tao Lan , Lin Qu , Tong Yang

Our paper introduces a generative, multiagent AI framework designed to overcome the rigidity, limited flexibility and technical barriers of current bibliometric tools. The objective is to enable researchers to perform fully dynamic,…

Digital Libraries · Computer Science 2026-04-29 Adela Bara , Simona-Vasilica Oprea