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Similar to humans, robots benefit from interacting with their environment through a number of different sensor modalities, such as vision, touch, sound. However, learning from different sensor modalities is difficult, because the learning…

Robotics · Computer Science 2019-10-10 Martina Zambelli , Antoine Cully , Yiannis Demiris

Recent advances in product bundling have leveraged multimodal information through sophisticated encoders, but remain constrained by limited semantic understanding and a narrow scope of knowledge. Therefore, some attempts employ In-context…

Information Retrieval · Computer Science 2025-02-04 Xiaohao Liu , Jie Wu , Zhulin Tao , Yunshan Ma , Yinwei Wei , Tat-seng Chua

The rapid expansion of online fashion platforms has created an increasing demand for intelligent recommender systems capable of understanding both visual and textual cues. This paper proposes a hybrid multimodal deep learning framework for…

Information Retrieval · Computer Science 2025-11-20 Kamand Kalashi , Babak Teimourpour

The main idea of this paper is to represent shopping items through vectors because these vectors act as the base for building em- beddings for customers and shopping carts. Also, these vectors are input to the mathematical models that act…

Information Retrieval · Computer Science 2017-05-19 Bibek Behera , Manoj Joshi , Abhilash KK , Mohammad Ansari Ismail

Randomly-hashed item ids are used ubiquitously in recommendation models. However, the learned representations from random hashing prevents generalization across similar items, causing problems of learning unseen and long-tail items,…

Sequential recommendation plays a critical role in modern online platforms such as e-commerce, advertising, and content streaming, where accurately predicting users' next interactions is essential for personalization. Recent…

Information Retrieval · Computer Science 2026-03-04 Haofeng Huang , Ling Gai

Integrating visual and linguistic information into a single multimodal representation is an unsolved problem with wide-reaching applications to both natural language processing and computer vision. In this paper, we present a simple method…

Machine Learning · Statistics 2017-03-28 Guillem Collell , Teddy Zhang , Marie-Francine Moens

Many sequential recommender systems suffer from the cold start problem, where items with few or no interactions cannot be effectively used by the model due to the absence of a trained embedding. Content-based approaches, which leverage item…

Information Retrieval · Computer Science 2025-07-28 Anton Pembek , Artem Fatkulin , Anton Klenitskiy , Alexey Vasilev

Multimodal recommendation combines the user historical behaviors with the modal features of items to capture the tangible user preferences, presenting superior performance compared to the conventional ID-based recommender systems. However,…

Information Retrieval · Computer Science 2026-01-27 Yuzhuo Dang , Xin Zhang , Zhiqiang Pan , Yuxiao Duan , Wanyu Chen , Fei Cai , Honghui Chen

Modern industrial recommendation systems improve recommendation performance by integrating multimodal representations from pre-trained models into ID-based Click-Through Rate (CTR) prediction frameworks. However, existing approaches…

Information Retrieval · Computer Science 2026-04-17 Alin Fan , Hanqing Li , Sihan Lu , Jingsong Yuan , Jiandong Zhang

Existing machine learning methods for molecular (e.g., gene) embeddings are restricted to specific tasks or data modalities, limiting their effectiveness within narrow domains. As a result, they fail to capture the full breadth of gene…

Masked image modeling (MIM) has emerged as a promising approach for pre-training Vision Transformers (ViTs). MIMs predict masked tokens token-wise to recover target signals that are tokenized from images or generated by pre-trained models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Taekyung Kim , Byeongho Heo , Dongyoon Han

Multi-modal recommendation systems, which integrate diverse types of information, have gained widespread attention in recent years. However, compared to traditional collaborative filtering-based multi-modal recommendation systems, research…

Information Retrieval · Computer Science 2023-08-15 Wei Ji , Xiangyan Liu , An Zhang , Yinwei Wei , Yongxin Ni , Xiang Wang

Collaborative filtering is one of the most common scenarios and popular research topics in recommender systems. Among existing methods, latent factor models, i.e., learning a specific embedding for each user/item by reconstructing the…

Information Retrieval · Computer Science 2022-04-27 Yunfan Wu , Qi Cao , Huawei Shen , Shuchang Tao , Xueqi Cheng

Multimodal recommender systems leverage diverse data sources, such as user interactions, content features, and contextual information, to address challenges like cold-start and data sparsity. However, existing methods often suffer from one…

Information Retrieval · Computer Science 2026-02-24 Adamya Shyam , Venkateswara Rao Kagita , Bharti Rana , Vikas Kumar

Modern Sequential Recommendation (SR) models commonly utilize modality features to represent items, motivated in large part by recent advancements in language and vision modeling. To do so, several works completely replace ID embeddings…

Machine Learning · Computer Science 2026-01-06 Liam Collins , Bhuvesh Kumar , Clark Mingxuan Ju , Tong Zhao , Donald Loveland , Leonardo Neves , Neil Shah

Item representation learning (IRL) plays an essential role in recommender systems, especially for sequential recommendation. Traditional sequential recommendation models usually utilize ID embeddings to represent items, which are not shared…

Information Retrieval · Computer Science 2023-12-22 Shenghao Yang , Chenyang Wang , Yankai Liu , Kangping Xu , Weizhi Ma , Yiqun Liu , Min Zhang , Haitao Zeng , Junlan Feng , Chao Deng

The cold-start problem is quite challenging for existing recommendation models. Specifically, for the new items with only a few interactions, their ID embeddings are trained inadequately, leading to poor recommendation performance. Some…

Information Retrieval · Computer Science 2023-06-09 Haonan Hu , Dazhong Rong , Jianhai Chen , Qinming He , Zhenguang Liu

Click-through rate (CTR) models in advertising and recommendation systems rely heavily on item ID embeddings, which struggle in item cold-start settings. We present IDProxy, a solution that leverages multimodal large language models (MLLMs)…

Information Retrieval · Computer Science 2026-03-03 Yubin Zhang , Haiming Xu , Guillaume Salha-Galvan , Ruiyan Han , Feiyang Xiao , Yanhua Huang , Li Lin , Yang Luo , Yao Hu

To enhance the interpretability of multimodal unified representations, many studies have focused on discrete unified representations. These efforts typically start with contrastive learning and gradually extend to the disentanglement of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Hai Huang , Yan Xia , Shengpeng Ji , Shulei Wang , Hanting Wang , Minghui Fang , Jieming Zhu , Zhenhua Dong , Sashuai Zhou , Zhou Zhao