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Retrieval augmented generation (RAG) has been applied in many scenarios to augment large language models (LLMs) with external documents provided by retrievers. However, a semantic gap exists between LLMs and retrievers due to differences in…

Computation and Language · Computer Science 2024-10-31 Fuda Ye , Shuangyin Li , Yongqi Zhang , Lei Chen

Retrieval Augmented Generation (RAG) frameworks have shown significant promise in leveraging external knowledge to enhance the performance of large language models (LLMs). However, conventional RAG methods often retrieve documents based…

Computation and Language · Computer Science 2025-04-02 Pouya Pezeshkpour , Estevam Hruschka

Rare, yet critical, scenarios pose a significant challenge in testing and evaluating autonomous driving planners. Relying solely on real-world driving scenes requires collecting massive datasets to capture these scenarios. While automatic…

Retrieval-augmented generation (RAG) can substantially enhance the performance of LLMs on knowledge-intensive tasks. Various RAG paradigms - including vanilla, planning-based, and iterative RAG - all depend on a robust retriever, yet…

Artificial Intelligence · Computer Science 2026-02-10 Haiyang Shen , Hang Yan , Zhongshi Xing , Mugeng Liu , Yue Li , Zhiyang Chen , Yuxiang Wang , Jiuzheng Wang , Yun Ma

Automated assessment of open-ended student responses is a critical capability for scaling personalized feedback in education. While large language models (LLMs) have shown promise in grading tasks via in-context learning (ICL), their…

Artificial Intelligence · Computer Science 2026-03-03 Yucheng Chu , Hang Li , Kaiqi Yang , Yasemin Copur-Gencturk , Kevin Haudek , Joseph Krajcik , Jiliang Tang

Prompting large language models (LLMs) to evaluate generated text, known as LLM-as-a-judge, has become a standard evaluation approach in natural language generation (NLG), but is primarily used as a quantitative tool, i.e. with numerical…

Legal judgment prediction (LJP) aims to predict judicial outcomes from case facts and typically includes law article, charge, and sentencing prediction. While recent methods perform well on the first two subtasks, legal sentencing…

Information Retrieval · Computer Science 2026-02-05 Junjie Chen , Haitao Li , Qilei Zhang , Zhenghua Li , Ya Zhang , Quan Zhou , Cheng Luo , Yiqun Liu , Dongsheng Guo , Qingyao Ai

Compiler auto-tuning optimizes pass sequences to improve performance metrics such as Intermediate Representation (IR) instruction count. Although recent advances leveraging Large Language Models (LLMs) have shown promise in automating…

Machine Learning · Computer Science 2025-06-23 Haolin Pan , Hongyu Lin , Haoran Luo , Yang Liu , Kaichun Yao , Libo Zhang , Mingjie Xing , Yanjun Wu

Identifying relevant legal precedents remains challenging, as most retrieval methods emphasize factual similarity over legal issues, and current systems often lack explanations clarifying case relevance. This paper proposes the use of Large…

Information Retrieval · Computer Science 2025-08-08 Vishnuprabha V , Daleesha M Viswanathan , Rajesh R , Aneesh V Pillai

Automated content-aware layout generation -- the task of arranging visual elements such as text, logos, and underlays on a background canvas -- remains a fundamental yet under-explored problem in intelligent design systems. While recent…

Information Retrieval · Computer Science 2025-06-30 Najmeh Forouzandehmehr , Reza Yousefi Maragheh , Sriram Kollipara , Kai Zhao , Topojoy Biswas , Evren Korpeoglu , Kannan Achan

A common way to extend the memory of large language models (LLMs) is by retrieval augmented generation (RAG), which inserts text retrieved from a larger memory into an LLM's context window. However, the context window is typically limited…

Computation and Language · Computer Science 2025-02-14 Marc Pickett , Jeremy Hartman , Ayan Kumar Bhowmick , Raquib-ul Alam , Aditya Vempaty

Nuclear waste management requires rigorous regulatory compliance assessment, demanding advanced decision-support systems capable of addressing complex legal, environmental, and safety considerations. This paper presents a multi-agent…

Multiagent Systems · Computer Science 2025-05-29 Dongjune Chang , Sola Kim , Young Soo Park

As a typical open-ended generation task, creative writing lacks verifiable reference answers, which has long constrained reward modeling and automatic evaluation due to high human annotation costs, evaluative bias, and coarse feedback…

Computation and Language · Computer Science 2026-03-17 Jihao Zhao , Shuaishuai Zu , Zhiyuan Ji , Chunlai Zhou , Biao Qin

Time series modeling is crucial for many applications, however, it faces challenges such as complex spatio-temporal dependencies and distribution shifts in learning from historical context to predict task-specific outcomes. To address these…

Artificial Intelligence · Computer Science 2024-08-28 Chidaksh Ravuru , Sagar Srinivas Sakhinana , Venkataramana Runkana

The advent of large language models (LLMs) has transformed information access and reasoning through open-ended natural language interaction. However, LLMs remain limited by static knowledge, factual hallucinations, and the inability to…

Artificial Intelligence · Computer Science 2025-10-29 Minhua Lin , Zongyu Wu , Zhichao Xu , Hui Liu , Xianfeng Tang , Qi He , Charu Aggarwal , Hui Liu , Xiang Zhang , Suhang Wang

Knowledge graph question answering (KGQA) aims to answer natural language questions using knowledge graphs. Recent research leverages large language models (LLMs) to enhance KGQA reasoning, but faces limitations: retrieval-based methods are…

Computation and Language · Computer Science 2025-10-03 Can Lin , Zhengwang Jiang , Ling Zheng , Qi Zhao , Yuhang Zhang , Qi Song , Wangqiu Zhou

Retrieval-Augmented Generation (RAG) enhances the performance of Large Language Models (LLMs) by incorporating external knowledge. However, LLMs still encounter challenges in effectively utilizing the knowledge from retrieved documents,…

Computation and Language · Computer Science 2025-02-26 Mingyan Wu , Zhenghao Liu , Yukun Yan , Xinze Li , Shi Yu , Zheni Zeng , Yu Gu , Ge Yu

Large Language Models (LLMs) have revolutionized recommendation agents by providing superior reasoning and flexible decision-making capabilities. However, existing methods mainly follow a passive information acquisition paradigm, where…

Information Retrieval · Computer Science 2026-03-11 Haobo Zhang , Yutao Zhu , Kelong Mao , Tianhao Li , Zhicheng Dou

The paradigm of using Large Language Models (LLMs) and Multimodal Large Language Models (MLLMs) as evaluative judges has emerged as an effective approach in RLHF and inference-time scaling. In this work, we propose Multimodal Reasoner as a…

Computation and Language · Computer Science 2025-05-20 Renjie Pi , Felix Bai , Qibin Chen , Simon Wang , Jiulong Shan , Kieran Liu , Meng Cao

This paper investigates the design of a unified search engine to serve multiple retrieval-augmented generation (RAG) agents, each with a distinct task, backbone large language model (LLM), and RAG strategy. We introduce an iterative…

Computation and Language · Computer Science 2025-06-27 Alireza Salemi , Hamed Zamani