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Cross-domain recommendation aims to leverage knowledge from multiple domains to alleviate the data sparsity and cold-start problems in traditional recommender systems. One popular paradigm is to employ overlapping user representations to…

Information Retrieval · Computer Science 2023-01-30 Chuang Zhao , Hongke Zhao , Ming He , Jian Zhang , Jianping Fan

Recent works in multimodal recommendations, which leverage diverse modal information to address data sparsity and enhance recommendation accuracy, have garnered considerable interest. Two key processes in multimodal recommendations are…

Information Retrieval · Computer Science 2025-05-23 Jinfeng Xu , Zheyu Chen , Wei Wang , Xiping Hu , Sang-Wook Kim , Edith C. H. Ngai

A non-orthogonal multiple access (NOMA)-inspired integrated sensing and communication (ISAC) framework is proposed, where a dual-functional base station (BS) transmits the composite communication and sensing signals. In contrast to treating…

Information Theory · Computer Science 2022-08-02 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Zhiguo Ding

We present MOSAIC, a modular architecture for coordinating multiple robots to (a) interact with users using natural language and (b) manipulate an open vocabulary of everyday objects. MOSAIC employs modularity at several levels: it…

General recommender systems deliver personalized services by learning user and item representations, with the central challenge being how to capture latent user preferences. However, representations derived from sparse interactions often…

Information Retrieval · Computer Science 2026-04-14 Yu Zhang , Yiwen Zhang , Yi Zhang , Lei Sang

Most existing One-Class Collaborative Filtering (OC-CF) algorithms estimate a user's preference as a latent vector by encoding their historical interactions. However, users often show diverse interests, which significantly increases the…

Information Retrieval · Computer Science 2020-10-27 Zheda Mai , Ga Wu , Kai Luo , Scott Sanner

Conversational Recommender Systems (CRSs) aim to provide personalized recommendations by interacting with users through conversations. Most existing studies of CRS focus on extracting user preferences from conversational contexts. However,…

Information Retrieval · Computer Science 2025-04-28 Yibiao Wei , Jie Zou , Weikang Guo , Guoqing Wang , Xing Xu , Yang Yang

Open intent classification is critical for the development of dialogue systems, aiming to accurately classify known intents into their corresponding classes while identifying unknown intents. Prior boundary-based methods assumed known…

Computation and Language · Computer Science 2024-12-19 Yanhua Li , Xiaocao Ouyang , Chaofan Pan , Jie Zhang , Sen Zhao , Shuyin Xia , Xin Yang , Guoyin Wang , Tianrui Li

Existing top-performance autonomous driving systems typically rely on the multi-modal fusion strategy for reliable scene understanding. This design is however fundamentally restricted due to overlooking the modality-specific strengths and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Zeyu Yang , Nan Song , Wei Li , Xiatian Zhu , Li Zhang , Philip H. S. Torr

In this work, we propose a new generic multi-modality domain adaptation framework called Progressive Modality Cooperation (PMC) to transfer the knowledge learned from the source domain to the target domain by exploiting multiple modality…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Weichen Zhang , Dong Xu , Jing Zhang , Wanli Ouyang

Personalized recommender systems play a crucial role in capturing users' evolving preferences over time to provide accurate and effective recommendations on various online platforms. However, many recommendation models rely on a single type…

Information Retrieval · Computer Science 2023-10-23 Wei Wei , Lianghao Xia , Chao Huang

For modern recommender systems, the use of low-dimensional latent representations to embed users and items based on their observed interactions has become commonplace. However, many existing recommendation models are primarily designed for…

Information Retrieval · Computer Science 2024-12-30 Lianghao Xia , Meiyan Xie , Yong Xu , Chao Huang

Compressive sensing (CS) reconstructs images from sub-Nyquist measurements by solving a sparsity-regularized inverse problem. Traditional CS solvers use iterative optimizers with hand crafted sparsifiers, while early data-driven methods…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Pamuditha Somarathne , Tharindu Wickremasinghe , Amashi Niwarthana , A. Thieshanthan , Chamira U. S. Edussooriya , Dushan N. Wadduwage

A multi-modal framework to generate user intention distributions when operating a mobile vehicle is proposed in this work. The model learns from past observed trajectories and leverages traversability information derived from the visual…

Robotics · Computer Science 2022-03-17 Kavindie Katuwandeniya , Stefan H. Kiss , Lei Shi , Jaime Valls Miro

Session-based recommendation is devoted to characterizing preferences of anonymous users based on short sessions. Existing methods mostly focus on mining limited item co-occurrence patterns exposed by item ID within sessions, while ignoring…

Information Retrieval · Computer Science 2023-10-02 Xiaokun Zhang , Bo Xu , Fenglong Ma , Chenliang Li , Liang Yang , Hongfei Lin

The goal of sequential recommendation (SR) is to predict a user's potential interested items based on her/his historical interaction sequences. Most existing sequential recommenders are developed based on ID features, which, despite their…

Information Retrieval · Computer Science 2023-10-24 Jinpeng Wang , Ziyun Zeng , Yunxiao Wang , Yuting Wang , Xingyu Lu , Tianxiang Li , Jun Yuan , Rui Zhang , Hai-Tao Zheng , Shu-Tao Xia

Session-based recommendation aims to predict intents of anonymous users based on limited behaviors. With the ability in alleviating data sparsity, contrastive learning is prevailing in the task. However, we spot that existing contrastive…

Information Retrieval · Computer Science 2025-06-06 Xiaokun Zhang , Bo Xu , Fenglong Ma , Zhizheng Wang , Liang Yang , Hongfei Lin

In this paper, we focus on multimedia recommender systems using graph convolutional networks (GCNs) where the multimodal features as well as user-item interactions are employed together. Our study aims to exploit multimodal features more…

Information Retrieval · Computer Science 2023-12-18 Yungi Kim , Taeri Kim , Won-Yong Shin , Sang-Wook Kim

Agentic AI aims to create systems that set their own goals, adapt proactively to change, and refine behavior through continuous experience. Recent advances suggest that, when facing multiple and unforeseen tasks, agents could benefit from…

Group recommendation provides personalized recommendations to a group of users based on their shared interests, preferences, and characteristics. Current studies have explored different methods for integrating individual preferences and…

Information Retrieval · Computer Science 2023-08-09 Jianye Ji , Jiayan Pei , Shaochuan Lin , Taotao Zhou , Hengxu He , Jia Jia , Ning Hu