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Conversational recommendation systems (CRS) leverage contextual information from conversations to generate recommendations but often struggle due to a lack of collaborative filtering (CF) signals, which capture user-item interaction…

Information Retrieval · Computer Science 2025-02-12 Ahmad Bin Rabiah , Nafis Sadeq , Julian McAuley

Indoor navigation presents unique challenges due to complex layouts and the unavailability of GNSS signals. Existing solutions often struggle with contextual adaptation, and typically require dedicated hardware. In this work, we explore the…

Artificial Intelligence · Computer Science 2025-06-23 Alberto Coffrini , Paolo Barsocchi , Francesco Furfari , Antonino Crivello , Alessio Ferrari

The rise of big data has amplified the need for efficient, user-friendly automated machine learning (AutoML) tools. However, the intricacy of understanding domain-specific data and defining prediction tasks necessitates human intervention…

Computation and Language · Computer Science 2023-05-24 Md Mahadi Hassan , Alex Knipper , Shubhra Kanti Karmaker Santu

E-learning environments are increasingly harnessing large language models (LLMs) like GPT-3.5 and GPT-4 for tailored educational support. This study introduces an approach that integrates dynamic knowledge graphs with LLMs to offer nuanced…

Artificial Intelligence · Computer Science 2024-12-06 Patrick Ocheja , Brendan Flanagan , Yiling Dai , Hiroaki Ogata

Knowledge graphs (KGs) are essential in applications such as network alignment, question-answering, and recommender systems (RSs) since they offer structured relational data that facilitate the inference of indirect relationships. However,…

Artificial Intelligence · Computer Science 2024-08-01 Yunsheng Wang , Songhao Chen , Kevin Jin

The conversational recommendation system (CRS) has been criticized regarding its user experience in real-world scenarios, despite recent significant progress achieved in academia. Existing evaluation protocols for CRS may prioritize…

Computation and Language · Computer Science 2024-05-07 Chen Huang , Peixin Qin , Yang Deng , Wenqiang Lei , Jiancheng Lv , Tat-Seng Chua

Conversational Recommender Systems (CRS) actively elicit user preferences to generate adaptive recommendations. Mainstream reinforcement learning-based CRS solutions heavily rely on handcrafted reward functions, which may not be aligned…

Information Retrieval · Computer Science 2023-11-01 Zhendong Chu , Nan Wang , Hongning Wang

Combining semantic information with behavioral data is a crucial research area in recommender systems. A promising approach involves leveraging external knowledge to enrich behavioral-based recommender systems with abundant semantic…

Information Retrieval · Computer Science 2024-05-27 Weiqing Luo , Chonggang Song , Lingling Yi , Gong Cheng

With the rapid advancement of post-training techniques for reasoning and information seeking, large language models (LLMs) can incorporate a large quantity of retrieved knowledge to solve complex tasks. However, the limited context window…

Computation and Language · Computer Science 2026-04-21 Zijun Liu , Zhennan Wan , Peng Li , Ming Yan , Fei Huang , Yang Liu

Generative large language models(LLMs) are proficient in solving general problems but often struggle to handle domain-specific tasks. This is because most of domain-specific tasks, such as personalized recommendation, rely on task-related…

Information Retrieval · Computer Science 2023-11-08 Wenxuan Zhang , Hongzhi Liu , Yingpeng Du , Chen Zhu , Yang Song , Hengshu Zhu , Zhonghai Wu

Conversational recommender systems (CRS) aim to provide the recommendation service via natural language conversations. To develop an effective CRS, high-quality CRS datasets are very crucial. However, existing CRS datasets suffer from the…

Information Retrieval · Computer Science 2023-10-24 Zhipeng Zhao , Kun Zhou , Xiaolei Wang , Wayne Xin Zhao , Fan Pan , Zhao Cao , Ji-Rong Wen

The ideal conversational recommender system (CRS) acts like a savvy salesperson, adapting its language and suggestions to each user's level of expertise. However, most current systems treat all users as experts, leading to frustrating and…

Information Retrieval · Computer Science 2025-12-16 Ivica Kostric , Ujwal Gadiraju , Krisztian Balog

Recommendation algorithms have been pivotal in handling the overwhelming volume of online content. However, these algorithms seldom consider direct user input, resulting in superficial interaction between them. Efforts have been made to…

Information Retrieval · Computer Science 2024-01-09 Kyle Dylan Spurlock , Cagla Acun , Esin Saka , Olfa Nasraoui

Recently, Large Language Models (LLMs) have been widely employed in Conversational Recommender Systems (CRSs). Unlike traditional language model approaches that focus on training, all existing LLMs-based approaches are mainly centered…

Computation and Language · Computer Science 2025-09-26 Jianyu Wen , Jingyun Wang , Cilin Yan , Jiayin Cai , Xiaolong Jiang , Ying Zhang

Knowledge retrieval is one of the major challenges in building a knowledge-grounded dialogue system. A common method is to use a neural retriever with a distributed approximate nearest-neighbor database to quickly find the relevant…

Information Retrieval · Computer Science 2024-05-09 Nhat Tran , Diane Litman

Logical rules are essential for uncovering the logical connections between relations, which could improve reasoning performance and provide interpretable results on knowledge graphs (KGs). Although there have been many efforts to mine…

Artificial Intelligence · Computer Science 2024-01-23 Linhao Luo , Jiaxin Ju , Bo Xiong , Yuan-Fang Li , Gholamreza Haffari , Shirui Pan

The importance of recommender systems on the web has grown, especially in the movie industry, with a vast selection of options to watch. To assist users in traversing available items and finding relevant results, recommender systems analyze…

Information Retrieval · Computer Science 2025-07-30 Ali Fallahi , Azam Bastanfard , Amineh Amini , Hadi Saboohi

Large Language Models (LLMs) exhibit emerging in-context learning abilities through prompt engineering. The recent progress in large-scale generative models has further expanded their use in real-world language applications. However, the…

Computation and Language · Computer Science 2024-04-12 Linyi Yang , Shuibai Zhang , Zhuohao Yu , Guangsheng Bao , Yidong Wang , Jindong Wang , Ruochen Xu , Wei Ye , Xing Xie , Weizhu Chen , Yue Zhang

Intelligent personal assistant systems with either text-based or voice-based conversational interfaces are becoming increasingly popular around the world. Retrieval-based conversation models have the advantages of returning fluent and…

Information Retrieval · Computer Science 2018-05-10 Liu Yang , Minghui Qiu , Chen Qu , Jiafeng Guo , Yongfeng Zhang , W. Bruce Croft , Jun Huang , Haiqing Chen

Large language models (LLMs), such as ChatGPT and GPT-4, are versatile and can solve different tasks due to their emergent ability and generalizability. However, LLMs sometimes lack domain-specific knowledge to perform tasks, which would…

Computation and Language · Computer Science 2023-09-07 Chao Feng , Xinyu Zhang , Zichu Fei
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