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The multimodal recommendation has gradually become the infrastructure of online media platforms, enabling them to provide personalized service to users through a joint modeling of user historical behaviors (e.g., purchases, clicks) and item…

信息检索 · 计算机科学 2024-04-19 Zhiqiang Guo , Jianjun Li , Guohui Li , Chaoyang Wang , Si Shi , Bin Ruan

Session-based recommendation techniques aim to capture dynamic user behavior by analyzing past interactions. However, existing methods heavily rely on historical item ID sequences to extract user preferences, leading to challenges such as…

信息检索 · 计算机科学 2023-07-21 Zhipeng Zhang , Piao Tong , Yingwei Ma , Qiao Liu , Xujiang Liu , Xu Luo

Understanding user intentions is essential for improving product recommendations, navigation suggestions, and query reformulations. However, user intentions can be intricate, involving multiple sessions and attribute requirements connected…

人工智能 · 计算机科学 2024-06-17 Jiaxin Bai , Chen Luo , Zheng Li , Qingyu Yin , Yangqiu Song

In a dialog system, dialog act recognition and sentiment classification are two correlative tasks to capture speakers intentions, where dialog act and sentiment can indicate the explicit and the implicit intentions separately. The dialog…

计算与语言 · 计算机科学 2020-12-25 Libo Qin , Zhouyang Li , Wanxiang Che , Minheng Ni , Ting Liu

Many real-world applications involve data from multiple modalities and thus exhibit the view heterogeneity. For example, user modeling on social media might leverage both the topology of the underlying social network and the content of the…

机器学习 · 计算机科学 2021-02-16 Lecheng Zheng , Yu Cheng , Hongxia Yang , Nan Cao , Jingrui He

We present a novel Multi-Relational Graph Convolutional Network (MRGCN) based framework to model on-road vehicle behaviors from a sequence of temporally ordered frames as grabbed by a moving monocular camera. The input to MRGCN is a…

计算机视觉与模式识别 · 计算机科学 2020-08-17 Sravan Mylavarapu , Mahtab Sandhu , Priyesh Vijayan , K Madhava Krishna , Balaraman Ravindran , Anoop Namboodiri

Learning informative representations of users and items from the interaction data is of crucial importance to collaborative filtering (CF). Present embedding functions exploit user-item relationships to enrich the representations, evolving…

信息检索 · 计算机科学 2020-07-06 Xiang Wang , Hongye Jin , An Zhang , Xiangnan He , Tong Xu , Tat-Seng Chua

Recently, Graph Neural Networks (GNNs) have proven their effectiveness for recommender systems. Existing studies have applied GNNs to capture collaborative relations in the data. However, in real-world scenarios, the relations in a…

信息检索 · 计算机科学 2021-11-30 Xiaohan Li , Zhiwei Liu , Stephen Guo , Zheng Liu , Hao Peng , Philip S. Yu , Kannan Achan

Graph-based collaborative filtering has emerged as a powerful paradigm for delivering personalized recommendations. Despite their demonstrated effectiveness, these methods often neglect the underlying intents of users, which constitute a…

信息检索 · 计算机科学 2023-09-25 Jiahao Wu , Wenqi Fan , Shengcai Liu , Qijiong Liu , Qing Li , Ke Tang

Multi-graph learning is crucial for extracting meaningful signals from collections of heterogeneous graphs. However, effectively integrating information across graphs with differing topologies, scales, and semantics, often in the absence of…

机器学习 · 计算机科学 2026-02-02 Zahra Moslemi , Ziyi Liang , Norbert Fortin , Babak Shahbaba

Apparent personality analysis from short videos poses significant chal-lenges due to the complex interplay of visual, auditory, and textual cues. In this paper, we propose GAME, a Graph-Augmented Multimodal Encoder designed to robustly…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Kangsheng Wang , Yuhang Li , Chengwei Ye , Yufei Lin , Huanzhen Zhang , Bohan Hu , Linuo Xu , Shuyan Liu

In the one-class recommendation problem, it's required to make recommendations basing on users' implicit feedback, which is inferred from their action and inaction. Existing works obtain representations of users and items by encoding…

信息检索 · 计算机科学 2024-01-22 Chu-Jen Shao , Hao-Ming Fu , Pu-Jen Cheng

Chain-of-thought (CoT) prompting has achieved remarkable success in natural language processing (NLP). However, its vast potential remains largely unexplored for graphs. This raises an interesting question: How can we design CoT prompting…

计算与语言 · 计算机科学 2025-06-03 Xingtong Yu , Chang Zhou , Zhongwei Kuai , Xinming Zhang , Yuan Fang

Recently, diffusion-based recommendation methods have achieved impressive results. However, existing approaches predominantly treat each user's historical interactions as independent training samples, overlooking the potential of…

社会与信息网络 · 计算机科学 2025-04-08 Xuan Zhang , Xiang Deng , Hongxing Yuan , Chunyu Wei , Yushun Fan

Multi-sourced datasets are common in studies of variable interactions, for example, individual-level fMRI integration, cross-domain recommendation, etc, where each source induces a related but distinct dependency structure. Joint learning…

统计方法学 · 统计学 2025-12-08 Shixiang Liu , Yanhang Zhang , Zhifan Li , Jianxin Yin

The increasing availability of Massive Open Online Courses (MOOCs) has created a necessity for personalized course recommendation systems. These systems often combine neural networks with Knowledge Graphs (KGs) to achieve richer…

信息检索 · 计算机科学 2023-12-19 Jibril Frej , Neel Shah , Marta Knežević , Tanya Nazaretsky , Tanja Käser

Existing graph learning-based cognitive diagnosis (CD) methods have made relatively good results, but their student, exercise, and concept representations are learned and exchanged in an implicit unified graph, which makes the…

机器学习 · 计算机科学 2024-10-24 Shangshang Yang , Mingyang Chen , Ziwen Wang , Xiaoshan Yu , Panpan Zhang , Haiping Ma , Xingyi Zhang

The generation of connectional brain templates (CBTs) has recently garnered significant attention for its potential to identify unique connectivity patterns shared across individuals. However, existing methods for CBT learning such as…

机器学习 · 计算机科学 2025-08-18 Mayssa Soussia , Mohamed Ali Mahjoub , Islem Rekik

While recommender systems with multi-modal item representations (image, audio, and text), have been widely explored, learning recommendations from multi-modal user interactions (e.g., clicks and speech) remains an open problem. We study the…

信息检索 · 计算机科学 2024-05-08 Simone Borg Bruun , Krisztian Balog , Maria Maistro

Sequential recommendations have drawn significant attention in modeling the user's historical behaviors to predict the next item. With the booming development of multimodal data (e.g., image, text) on internet platforms, sequential…

信息检索 · 计算机科学 2024-12-12 Changhong Li , Zhiqiang Guo