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Traditional Retrieval-Augmented Generation (RAG) approaches generally assume that retrieval and generation occur on powerful servers removed from the end user. While this reduces local hardware constraints, it introduces significant…

Information Retrieval · Computer Science 2026-04-17 Julian Killingback , Ofer Meshi , Henry Li , Hamed Zamani , Maryam Karimzadehgan

Deep Research agents driven by LLMs have automated the scholarly discovery pipeline, from planning and query formulation to iterative web exploration. Yet they remain constrained by a static, ``one-size-fits-all'' retrieval paradigm.…

Information Retrieval · Computer Science 2026-05-12 Xiaopeng Li , Wenlin Zhang , Yingyi Zhang , Pengyue Jia , Yejing Wang , Yichao Wang , Yong Liu , Huifeng Guo , Xiangyu Zhao

Query autocomplete (QAC) also known as typeahead, suggests list of complete queries as user types prefix in the search box. It is one of the key features of modern search engines specially in e-commerce. One of the goals of typeahead is to…

Information Retrieval · Computer Science 2023-08-07 Prateek Verma , Shan Zhong , Xiaoyu Liu , Adithya Rajan

Deep search agents, which aim to answer complex questions requiring reasoning across multiple documents, can significantly speed up the information-seeking process. Collecting human annotations for this application is prohibitively…

Artificial Intelligence · Computer Science 2026-01-27 Fangyuan Xu , Rujun Han , Yanfei Chen , Zifeng Wang , I-Hung Hsu , Jun Yan , Vishy Tirumalashetty , Eunsol Choi , Tomas Pfister , Chen-Yu Lee

This work presents a novel architecture for building Retrieval-Augmented Generation (RAG) systems to improve Question Answering (QA) tasks from a target corpus. Large Language Models (LLMs) have revolutionized the analyzing and generation…

Computation and Language · Computer Science 2025-01-09 Binita Saha , Utsha Saha , Muhammad Zubair Malik

Retrieval-Augmented Generation (RAG) enhances language models by retrieving and incorporating relevant external knowledge. However, traditional retrieve-and-generate processes may not be optimized for real-world scenarios, where queries…

Computation and Language · Computer Science 2025-02-28 Ingeol Baek , Hwan Chang , Byeongjeong Kim , Jimin Lee , Hwanhee Lee

Retrieval-Augmented Generation (RAG) systems depend critically on document chunking quality for retrieving relevant context. Fixed chunking segments documents into uniform units irrespective of semantics or user intent, producing a…

Computation and Language · Computer Science 2026-05-27 Mudit Rastogi

Retrieval augmented generation (RAG) enhances the accuracy and reliability of generative AI models by sourcing factual information from external databases, which is extensively employed in document-grounded question-answering (QA) tasks.…

Computation and Language · Computer Science 2024-07-29 Yuan Pu , Zhuolun He , Tairu Qiu , Haoyuan Wu , Bei Yu

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by pulling in external material, document, code, manuals, from vast and ever-growing corpora, to effectively answer user queries. The effectiveness of RAG depends…

Information Retrieval · Computer Science 2025-11-20 Yifan Xu , Vipul Gupta , Rohit Aggarwal , Varsha Mahadevan , Bhaskar Krishnamachari

Lifelong user behavior sequences are crucial for capturing user interests and predicting user responses in modern recommendation systems. A two-stage paradigm is typically adopted to handle these long sequences: a subset of relevant…

Information Retrieval · Computer Science 2025-03-27 Ningya Feng , Junwei Pan , Jialong Wu , Baixu Chen , Ximei Wang , Qian Li , Xian Hu , Jie Jiang , Mingsheng Long

Lifelong Person Re-identification (LReID) suffers from a key challenge in preserving old knowledge while adapting to new information. The existing solutions include rehearsal-based and rehearsal-free methods to address this challenge.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Shiben Liu , Huijie Fan , Qiang Wang , Baojie Fan , Yandong Tang , Liangqiong Qu

This paper addresses the problem of decentralized learning to achieve a high-performance global model by asking a group of clients to share local models pre-trained with their own data resources. We are particularly interested in a specific…

Machine Learning · Computer Science 2020-08-19 Jiaxin Ma , Ryo Yonetani , Zahid Iqbal

Word-level AutoCompletion(WLAC) is a rewarding yet challenging task in Computer-aided Translation. Existing work addresses this task through a classification model based on a neural network that maps the hidden vector of the input context…

Computation and Language · Computer Science 2024-07-30 Cheng Yang , Guoping Huang , Mo Yu , Zhirui Zhang , Siheng Li , Mingming Yang , Shuming Shi , Yujiu Yang , Lemao Liu

Owing to their unprecedented comprehension capabilities, large language models (LLMs) have become indispensable components of modern web search engines. From a technical perspective, this integration represents retrieval-augmented…

Information Retrieval · Computer Science 2026-02-10 Xingyuan Zeng , Zuohan Wu , Yue Wang , Chen Zhang , Quanming Yao , Libin Zheng , Jian Yin

Retrieval-augmented generation (RAG) effectively addresses issues of static knowledge and hallucination in large language models. Existing studies mostly focus on question scenarios with clear user intents and concise answers. However, it…

Computation and Language · Computer Science 2025-02-18 Shuting Wang , Xin Yu , Mang Wang , Weipeng Chen , Yutao Zhu , Zhicheng Dou

Query Auto Completion (QAC) is among the most appealing features of a web search engine. It helps users formulate queries quickly with less effort. Although there has been much effort in this area for text, to the best of our knowledge…

Information Retrieval · Computer Science 2019-12-10 Shaurya Rohatgi , Wei Zhong , Richard Zanibbi , Jian Wu , C. Lee Giles

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by integrating up-to-date external knowledge, yet real-world web environments present unique challenges. These limitations manifest as two key challenges: pervasive…

Information Retrieval · Computer Science 2026-03-24 Yuqin Dai , Shuo Yang , Guoqing Wang , Yong Deng , Zhanwei Zhang , Jun Yin , Pengyu Zeng , Zhenzhe Ying , Changhua Meng , Can Yi , Yuchen Zhou , Weiqiang Wang , Shuai Lu

Discrepancies in decision-making between Autonomous Driving Systems (ADS) and human drivers underscore the need for intuitive human gaze predictors to bridge this gap, thereby improving user trust and experience. Existing gaze datasets,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Linfeng Liang , Yao Deng , Yang Zhang , Jianchao Lu , Chen Wang , Quanzheng Sheng , Xi Zheng

Frontier commercial generative models face a growing threat from distillation, whereby a distiller harvests generated responses and trains a competing model of its own at drastically lower cost. Existing defenses either rely on modifying…

Machine Learning · Computer Science 2026-05-20 Zibo Diao , Jingchu Gai , Xinyue Ai , Zhang Zhang , Zhenyu He , Di He

Automatic question generation (AQG) has broad applicability in domains such as tutoring systems, conversational agents, healthcare literacy, and information retrieval. Existing efforts at AQG have been limited to short answer lengths of up…

Computation and Language · Computer Science 2020-04-16 Shlok Kumar Mishra , Pranav Goel , Abhishek Sharma , Abhyuday Jagannatha , David Jacobs , Hal Daumé