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Adaptive retrieval-augmented generation (ARAG) aims to dynamically determine the necessity of retrieval for queries instead of retrieving indiscriminately to enhance the efficiency and relevance of the sourced information. However, previous…

计算与语言 · 计算机科学 2024-06-06 Zihan Zhang , Meng Fang , Ling Chen

Multi-task learning (MTL) aims to enhance the performance and efficiency of machine learning models by simultaneously training them on multiple tasks. However, MTL research faces two challenges: 1) effectively modeling the relationships…

信息检索 · 计算机科学 2023-06-06 Danwei Li , Zhengyu Zhang , Siyang Yuan , Mingze Gao , Weilin Zhang , Chaofei Yang , Xi Liu , Jiyan Yang

This paper presents VITA (Virtual Teaching Assistants), an adaptive distributed learning (ADL) platform that embeds a large language model (LLM)-powered chatbot (BotCaptain) to provide dialogic support, interoperable analytics, and…

计算机与社会 · 计算机科学 2025-09-26 Fadjimata I Anaroua , Qing Li , Yan Tang , Hong P. Liu

Retrieval-Augmented Generation (RAG) systems show remarkable potential as question answering tools in the K-12 Education domain, where knowledge is typically queried within the restricted scope of authoritative textbooks. However,…

计算与语言 · 计算机科学 2025-07-22 Tianshi Zheng , Weihan Li , Jiaxin Bai , Weiqi Wang , Yangqiu Song

Contribution: This Full paper in the Research Category track describes a practical, scalable platform that seamlessly integrates Generative AI (GenAI) with online educational forums, offering a novel approach to augment the instructional…

计算机与社会 · 计算机科学 2025-03-18 Anvit Sinha , Shruti Goyal , Zachary Sy , Rhianna Kuperus , Ethan Dickey , Andres Bejarano

Developing effective, domain-specific educational support systems is central to advancing AI in education. Although large language models (LLMs) demonstrate remarkable capabilities, they face significant limitations in specialized…

信息检索 · 计算机科学 2026-04-09 Yue Luo , Dibakar Roy Sarkar , Rachel Herring Sangree , Somdatta Goswami

Effective teaching requires adapting instructional strategies to accommodate the diverse cognitive and behavioral profiles of students, a persistent challenge in education and teacher training. While Large Language Models (LLMs) offer…

人工智能 · 计算机科学 2025-05-27 Debdeep Sanyal , Agniva Maiti , Umakanta Maharana , Dhruv Kumar , Ankur Mali , C. Lee Giles , Murari Mandal

Building automatic technical support system is an important yet challenge task. Conceptually, to answer a user question on a technical forum, a human expert has to first retrieve relevant documents, and then read them carefully to identify…

计算与语言 · 计算机科学 2021-05-19 Wenhao Yu , Lingfei Wu , Yu Deng , Qingkai Zeng , Ruchi Mahindru , Sinem Guven , Meng Jiang

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…

计算与语言 · 计算机科学 2025-12-03 Lei Fu , Xiang Chen , Kaige Gao Xinyue Huang , Kejian Tong

Retrieval-Augmented Generation (RAG) significantly enhances the performance of large language models (LLMs) in downstream tasks by integrating external knowledge. To facilitate researchers in deploying RAG systems, various RAG toolkits have…

Addressing the challenge of domain shift between datasets is vital in maintaining model performance. In the context of cross-domain object detection, the teacher-student framework, a widely-used semi-supervised model, has shown significant…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Runou Yang , Tian Tian , Jinwen Tian

Textbook question answering (TQA) is a challenging task in artificial intelligence due to the complex nature of context needed to answer complex questions. Although previous research has improved the task, there are still some limitations…

计算与语言 · 计算机科学 2025-01-23 Hessa Abdulrahman Alawwad , Areej Alhothali , Usman Naseem , Ali Alkhathlan , Amani Jamal

Knowledge Tracing (KT) aims to model a student's learning trajectory and predict performance on the next question. A key challenge is how to better represent the relationships among students, questions, and knowledge concepts (KCs).…

人工智能 · 计算机科学 2026-01-26 Chi Yu , Hongyu Yuan , Zhiyi Duan

Deep learning models have demonstrated exceptional performance across a wide range of computer vision tasks. However, their performance often degrades significantly when faced with distribution shifts, such as domain or dataset changes.…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Samuel Barbeau , Pedram Fekri , David Osowiechi , Ali Bahri , Moslem Yazdanpanah , Masih Aminbeidokhti , Christian Desrosiers

Designing reinforcement learning curricula for agile robots traditionally requires extensive manual tuning of reward functions, environment randomizations, and training configurations. We introduce AURA (Autonomous Upskilling with…

机器人学 · 计算机科学 2025-11-06 Alvin Zhu , Yusuke Tanaka , Andrew Goldberg , Dennis Hong

Retrieval-augmented generation (RAG) has emerged to address the knowledge-intensive visual question answering (VQA) task. Current methods mainly employ separate retrieval and generation modules to acquire external knowledge and generate…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Xinwei Long , Zhiyuan Ma , Ermo Hua , Kaiyan Zhang , Biqing Qi , Bowen Zhou

In educational applications, Knowledge Tracing (KT), the problem of accurately predicting students' responses to future questions by summarizing their knowledge states, has been widely studied for decades as it is considered a fundamental…

计算机与社会 · 计算机科学 2021-05-14 Yuhao Zhou , Xihua Li , Yunbo Cao , Xuemin Zhao , Qing Ye , Jiancheng Lv

Knowledge tracing (KT) is a crucial task in computer-aided education and intelligent tutoring systems, predicting students' performance on new questions from their responses to prior ones. An accurate KT model can capture a student's…

计算机与社会 · 计算机科学 2025-02-14 Jiajun Cui , Hong Qian , Chanjin Zheng , Lu Wang , Mo Yu , Wei Zhang

Retrieval-augmented generation (RAG) systems often rely on static retrieval, limiting adaptation to evolving intent and content drift. We introduce Dynamic Memory Alignment (DMA), an online learning framework that systematically…

人工智能 · 计算机科学 2025-11-10 Yu Bai , Yukai Miao , Dawei Wang , Li Chen , Fei Long , Rundi Zhai , Dan Li , Yanyu Ren , Tianfeng Liu , Hongtao Xie , Ce Yang , Xuhui Cai

Large language models (LLMs) enhanced with retrieval augmentation has shown great performance in many applications. However, the computational demands for these models pose a challenge when applying them to real-time tasks, such as…

计算与语言 · 计算机科学 2024-10-15 Menglin Xia , Xuchao Zhang , Camille Couturier , Guoqing Zheng , Saravan Rajmohan , Victor Ruhle