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Attributed graph clustering or community detection which learns to cluster the nodes of a graph is a challenging task in graph analysis. In this paper, we introduce a contrastive learning framework for learning clustering-friendly node…

Machine Learning · Computer Science 2022-05-12 Maedeh Ahmadi , Mehran Safayani , Abdolreza Mirzaei

Many datasets take the form of a bipartite graph where two types of nodes are connected by relationships, like the movies watched by a user or the tags associated with a file. The partitioning of the bipartite graph could be used to fasten…

Information Retrieval · Computer Science 2021-10-01 Gaëlle Candel , David Naccache

Knowledge graph (KG) plays an increasingly important role in recommender systems. A recent technical trend is to develop end-to-end models founded on graph neural networks (GNNs). However, existing GNN-based models are coarse-grained in…

Information Retrieval · Computer Science 2021-02-16 Xiang Wang , Tinglin Huang , Dingxian Wang , Yancheng Yuan , Zhenguang Liu , Xiangnan He , Tat-Seng Chua

The collaborative filtering (CF) problem with only user-item interaction information can be solved by graph signal processing (GSP), which uses low-pass filters to smooth the observed interaction signals on the similarity graph to obtain…

Information Retrieval · Computer Science 2023-02-07 Jiahao Liu , Dongsheng Li , Hansu Gu , Tun Lu , Peng Zhang , Li Shang , Ning Gu

Online groups have become increasingly prevalent, providing users with space to share experiences and explore interests. Therefore, user-centric group discovery task, i.e., recommending groups to users can help both users' online…

Information Retrieval · Computer Science 2023-08-11 Xixi Wu , Yun Xiong , Yao Zhang , Yizhu Jiao , Jiawei Zhang

Recent years have witnessed growing interests in multimedia recommendation, which aims to predict whether a user will interact with an item with multimodal contents. Previous studies focus on modeling user-item interactions with multimodal…

Information Retrieval · Computer Science 2022-03-18 Jinghao Zhang , Yanqiao Zhu , Qiang Liu , Mengqi Zhang , Shu Wu , Liang Wang

Stack Overflow (SO) platform has a huge dataset of questions and answers driven by interactions between users. But the count of unanswered questions is continuously rising. This issue is common across various community Question & Answering…

Software Engineering · Computer Science 2021-07-07 Abhishek Kumar , Deep Ghadiyali , Sridhar Chimalakonda

With the advancement of multimedia internet, the impact of visual characteristics on the decision of users to click or not within the online retail industry is increasingly significant. Thus, incorporating visual features is a promising…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Jia-Qi Yang , Chenglei Dai , Dan OU , Dongshuai Li , Ju Huang , De-Chuan Zhan , Xiaoyi Zeng , Yang Yang

Personalized multiple clustering aims to generate diverse partitions of a dataset based on different user-specific aspects, rather than a single clustering. It has recently drawn research interest for accommodating varying user preferences.…

Artificial Intelligence · Computer Science 2025-05-29 Ziye Chen , Yiqun Duan , Riheng Zhu , Zhenbang Sun , Mingming Gong

Current image generation systems produce high-quality images but struggle with ambiguous user prompts, making interpretation of actual user intentions difficult. Many users must modify their prompts several times to ensure the generated…

Intent learning, which aims to learn users' intents for user understanding and item recommendation, has become a hot research spot in recent years. However, existing methods suffer from complex and cumbersome alternating optimization,…

Information Retrieval · Computer Science 2024-11-12 Yue Liu , Shihao Zhu , Jun Xia , Yingwei Ma , Jian Ma , Xinwang Liu , Shengju Yu , Kejun Zhang , Wenliang Zhong

Estimating click-through rate (CTR) accurately has an essential impact on improving user experience and revenue in sponsored search. For CTR prediction model, it is necessary to make out user real-time search intention. Most of the current…

Machine Learning · Computer Science 2021-03-31 Feng Li , Zhenrui Chen , Pengjie Wang , Yi Ren , Di Zhang , Xiaoyu Zhu

Google users have different intents from their queries such as acquiring information, buying products, comparing or simulating services, looking for products, and so on. Understanding the right intention of users helps to provide i) better…

Information Retrieval · Computer Science 2020-06-17 Samin Mohammadi , Mathieu Chapon , Arthur Fremond

Collaborative filtering on user-item interaction graphs has achieved success in the industrial recommendation. However, recommending users' truly fascinated items poses a seesaw dilemma for collaborative filtering models learned from the…

Information Retrieval · Computer Science 2024-08-06 Weijun Chen , Yuanchen Bei , Qijie Shen , Hao Chen , Xiao Huang , Feiran Huang

Implicit feedback is the simplest form of user feedback that can be used for item recommendation. It is easy to collect and is domain independent. However, there is a lack of negative examples. Previous work tackles this problem by assuming…

Information Retrieval · Computer Science 2019-04-19 Farhan Khawar , Nevin L. Zhang

Accurately predicting the intent of customer support requests is vital for efficient support systems, enabling agents to quickly understand messages and prioritize responses accordingly. While different approaches exist for intent…

Computation and Language · Computer Science 2023-09-19 Nichal Narotamo , David Aparicio , Tiago Mesquita , Mariana Almeida

Collaborative object localization aims to collaboratively estimate locations of objects observed from multiple views or perspectives, which is a critical ability for multi-agent systems such as connected vehicles. To enable collaborative…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Peng Gao , Rui Guo , Hongsheng Lu , Hao Zhang

Personalizing large language models (LLMs) is important for aligning outputs with diverse user preferences, yet existing methods struggle with flexibility and generalization. We propose CoPL (Collaborative Preference Learning), a…

Machine Learning · Computer Science 2025-09-18 Youngbin Choi , Seunghyuk Cho , Minjong Lee , MoonJeong Park , Yesong Ko , Jungseul Ok , Dongwoo Kim

Deep neural networks have shown promise in collaborative filtering (CF). However, existing neural approaches are either user-based or item-based, which cannot leverage all the underlying information explicitly. We propose CF-UIcA, a neural…

Machine Learning · Computer Science 2018-07-06 Chao Du , Chongxuan Li , Yin Zheng , Jun Zhu , Bo Zhang

This paper introduces the notion of co-modularity, to co-cluster observations of bipartite networks into co-communities. The task of co-clustering is to group together nodes of one type with nodes of another type, according to the…

Methodology · Statistics 2021-11-09 Thomas E. Bartlett