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Medication recommendations have become an important task in the healthcare domain, especially in measuring the accuracy and safety of medical dialogue systems (MDS). Different from the recommendation task based on electronic health records…

Computation and Language · Computer Science 2025-05-20 Jialun Zhong , Yanzeng Li , Sen Hu , Yang Zhang , Teng Xu , Lei Zou

Retrieval-Augmented Generation (RAG) systems empower large language models (LLMs) with external knowledge, yet struggle with efficiency-accuracy trade-offs when scaling to large knowledge graphs. Existing approaches often rely on monolithic…

Artificial Intelligence · Computer Science 2025-11-06 Ruiyi Yang , Hao Xue , Imran Razzak , Shirui Pan , Hakim Hacid , Flora D. Salim

As connected and automated transportation systems evolve, there is a growing need for federal and state authorities to revise existing laws and develop new statutes to address emerging cybersecurity and data privacy challenges. This study…

Language-based fashion image editing allows users to try out variations of desired garments through provided text prompts. Inspired by research on manipulating latent representations in StyleCLIP and HairCLIP, we focus on these latent…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Reza Dadfar , Sanaz Sabzevari , Mårten Björkman , Danica Kragic

User simulators are essential to conversational AI, enabling scalable agent development and evaluation through simulated interactions. While current Large Language Models (LLMs) have advanced user simulation capabilities, we reveal that…

Computation and Language · Computer Science 2026-03-10 Shuhaib Mehri , Xiaocheng Yang , Takyoung Kim , Gokhan Tur , Shikib Mehri , Dilek Hakkani-Tür

Dialogue state tracking (DST) is at the heart of task-oriented dialogue systems. However, the scarcity of labeled data is an obstacle to building accurate and robust state tracking systems that work across a variety of domains. Existing…

Computation and Language · Computer Science 2020-04-14 Shuyang Gao , Sanchit Agarwal , Tagyoung Chung , Di Jin , Dilek Hakkani-Tur

The advancement of Large Language Models (LLMs) has remarkably pushed the boundaries towards artificial general intelligence (AGI), with their exceptional ability on understanding diverse types of information, including but not limited to…

Computation and Language · Computer Science 2023-10-10 Ziwei Chai , Tianjie Zhang , Liang Wu , Kaiqiao Han , Xiaohai Hu , Xuanwen Huang , Yang Yang

Large Language Models (LLMs) are increasingly prominent in the recommendation systems domain. Existing studies usually utilize in-context learning or supervised fine-tuning on task-specific data to align LLMs into recommendations. However,…

Information Retrieval · Computer Science 2024-06-21 Zhong Guan , Likang Wu , Hongke Zhao , Ming He , Jianpin Fan

The performance of task-oriented dialogue models is strongly tied to how well they track dialogue states, which records and updates user information across multi-turn interactions. However, current multi-domain DST encounters two key…

Computation and Language · Computer Science 2026-03-12 Haoxiang Su , Ruiyu Fang , Liting Jiang , Xiaomeng Huang , Shuangyong Song

Large language models (LLMs) have significantly advanced the field of natural language generation. However, they frequently generate unverified outputs, which compromises their reliability in critical applications. In this study, we propose…

Computation and Language · Computer Science 2025-02-18 Alexandru Lecu , Adrian Groza , Lezan Hawizy

Neural combinatorial optimization (NCO) solvers, implemented with graph neural networks (GNNs), have introduced new approaches for solving routing problems. Trained with reinforcement learning (RL), the state-of-the-art graph attention…

Machine Learning · Computer Science 2026-01-30 Licheng Wang , Yuzi Yan , Mingtao Huang , Yuan Shen

Existing multi-agent video generation systems use LLM agents to orchestrate neural video generators, producing visually impressive but semantically unreliable outputs with no ground truth annotations. We present an agentic system that…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Nicolae Cudlenco , Mihai Masala , Marius Leordeanu

In this paper, we present a novel diagnostic framework that integrates Knowledge Graphs (KGs) and Large Language Models (LLMs) to support system diagnostics in high-reliability systems such as nuclear power plants. Traditional diagnostic…

Artificial Intelligence · Computer Science 2025-09-01 Saman Marandi , Yu-Shu Hu , Mohammad Modarres

Multimodal Stance Detection (MSD) is crucial for understanding public discourse, yet effectively fusing text and image, especially with conflicting signals, remains challenging. Existing methods often face difficulties with contextual…

Artificial Intelligence · Computer Science 2026-05-01 Weihai Lu , Zhejun Zhao , Yanshu Li , Huan He

The task of dialogue generation aims to automatically provide responses given previous utterances. Tracking dialogue states is an important ingredient in dialogue generation for estimating users' intention. However, the \emph{expensive…

Computation and Language · Computer Science 2018-09-03 Xisen Jin , Wenqiang Lei , Zhaochun Ren , Hongshen Chen , Shangsong Liang , Yihong Zhao , Dawei Yin

We present a fast and scalable architecture called Explicit Modular Decomposition (EMD), in which we incorporate both classification-based and extraction-based methods and design four modules (for classification and sequence labelling) to…

Computation and Language · Computer Science 2021-09-30 Dingmin Wang , Chenghua Lin , Qi Liu , Kam-Fai Wong

Despite the superior performance of Large language models on many NLP tasks, they still face significant limitations in memorizing extensive world knowledge. Recent studies have demonstrated that leveraging the Retrieval-Augmented…

Artificial Intelligence · Computer Science 2024-12-23 Xiaqiang Tang , Jian Li , Nan Du , Sihong Xie

Existing tool-augmented large language models (LLMs) encounter significant challenges when processing complex queries. Current frameworks such as ReAct are prone to local optimization traps due to their reliance on incremental…

Artificial Intelligence · Computer Science 2025-11-26 Xiaolong Wei , Yuehu Dong , Xingliang Wang , Xingyu Zhang , Zhejun Zhao , Dongdong Shen , Long Xia , Dawei Yin

An embodied agent assisting humans is often asked to complete new tasks, and there may not be sufficient time or labeled examples to train the agent to perform these new tasks. Large Language Models (LLMs) trained on considerable knowledge…

Large Language Models (LLMs) have demonstrated significant performance improvements across various cognitive tasks. An emerging application is using LLMs to enhance retrieval-augmented generation (RAG) capabilities. These systems require…

Computation and Language · Computer Science 2025-01-28 Satyapriya Krishna , Kalpesh Krishna , Anhad Mohananey , Steven Schwarcz , Adam Stambler , Shyam Upadhyay , Manaal Faruqui