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Recommender systems in location based social networks mainly take advantage of social and geographical influence in making personalized Points-of-interest (POI) recommendations. The social influence is obtained from social network friends…

Social and Information Networks · Computer Science 2020-01-28 Billy Zimba , Samson Chibuta , David Chisanga , Fredah Banda , Jackson Phiri

The rapid growth of location-based services(LBSs)has greatly enriched people's urban lives and attracted millions of users in recent years. Location-based social networks(LBSNs)allow users to check-in at a physical location and share daily…

Social and Information Networks · Computer Science 2017-12-27 Shudong Liu

Lifelong sequential modeling (LSM) is becoming increasingly critical in social media recommendation systems for predicting the click-through rate (CTR) of items presented to users. Central to this process is the attention mechanism, which…

Information Retrieval · Computer Science 2025-04-14 Ting Guo , Zhaoyang Yang , Qinsong Zeng , Ming Chen

Sequential recommendation models user preferences to predict the next target item. Most existing work is passive, where the system responds only when users open the application, missing chances after closure. We investigate active…

Information Retrieval · Computer Science 2025-11-25 Jin Chai , Xiaoxiao Ma , Jian Yang , Jia Wu

With the wide adoption of mobile devices and web applications, location-based social networks (LBSNs) offer large-scale individual-level location-related activities and experiences. Next point-of-interest (POI) recommendation is one of the…

Information Retrieval · Computer Science 2022-04-27 Zheng Huang , Jing Ma , Yushun Dong , Natasha Zhang Foutz , Jundong Li

Point-of-interest (POI) recommendation that suggests new places for users to visit arises with the popularity of location-based social networks (LBSNs). Due to the importance of POI recommendation in LBSNs, it has attracted much academic…

Information Retrieval · Computer Science 2016-07-05 Shenglin Zhao , Irwin King , Michael R. Lyu

Users try to articulate their complex information needs during search sessions by reformulating their queries. To make this process more effective, search engines provide related queries to help users in specifying the information need in…

Information Retrieval · Computer Science 2017-11-15 Mostafa Dehghani , Sascha Rothe , Enrique Alfonseca , Pascal Fleury

Next point-of-interest (POI) recommendation requires modeling user mobility as a spatiotemporal sequence, where different behavioral factors may evolve at different temporal and spatial scales. Most existing methods compress a user's…

Information Retrieval · Computer Science 2026-04-24 Zhenyu Yu , Chunlei Meng , Yangchen Zeng , Mohd Yamani Idna Idris , Shuigeng Zhou

We consider incorporating topic information into the sequence-to-sequence framework to generate informative and interesting responses for chatbots. To this end, we propose a topic aware sequence-to-sequence (TA-Seq2Seq) model. The model…

Computation and Language · Computer Science 2016-09-20 Chen Xing , Wei Wu , Yu Wu , Jie Liu , Yalou Huang , Ming Zhou , Wei-Ying Ma

Next point of interest (POI) recommendation primarily predicts future activities based on users' past check-in data and current status, providing significant value to users and service providers. We observed that the popular check-in times…

Information Retrieval · Computer Science 2025-07-22 Pei-Xuan Li , Wei-Yun Liang , Fandel Lin , Hsun-Ping Hsieh

Attention mechanisms have significantly boosted the performance of video classification neural networks thanks to the utilization of perspective contexts. However, the current research on video attention generally focuses on adopting a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Yanbin Hao , Shuo Wang , Pei Cao , Xinjian Gao , Tong Xu , Jinmeng Wu , Xiangnan He

Next point-of-interest (POI) recommendation improves personalized location-based services by predicting users' next destinations based on their historical check-ins. However, most existing methods rely on static datasets and fixed models,…

Information Retrieval · Computer Science 2025-11-27 Chenhao Wang , Shanshan Feng , Lisi Chen , Fan Li , Shuo Shang

Sequential self-attention models usually rely on additive positional embeddings, which inject positional information into item representations at the input. In the absence of positional signals, the attention block is…

Information Retrieval · Computer Science 2026-02-25 Timur Nabiev , Evgeny Frolov

Sequence labeling is a fundamental task in natural language processing and has been widely studied. Recently, RNN-based sequence labeling models have increasingly gained attentions. Despite superior performance achieved by learning the long…

Computation and Language · Computer Science 2021-10-19 Wei Wei , Zanbo Wang , Xianling Mao , Guangyou Zhou , Pan Zhou , Sheng Jiang

Recommending Points-of-Interest (POIs) is surfacing in many location-based applications. The literature contains personalized and socialized POI recommendation approaches which employ historical check-ins and social links to make…

Databases · Computer Science 2020-09-02 Behrooz Omidvar-Tehrani , Sruthi Viswanathan , Jean-Michel Renders

In this work, we propose several attention formulations for multivariate sequence data. We build on top of the recently introduced 2D-Attention and reformulate the attention learning methodology by quantifying the relevance of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Kateryna Chumachenko , Alexandros Iosifidis , Moncef Gabbouj

Snapshot observation based source localization has been widely studied due to its accessibility and low cost. However, the interaction of users in existing methods does not be addressed in time-varying infection scenarios. So these methods…

Social and Information Networks · Computer Science 2024-01-29 Dongpeng Hou , Zhen Wang , Chao Gao , Xuelong Li

Sequential recommendation aims to recommend the next item of users' interest based on their historical interactions. Recently, the self-attention mechanism has been adapted for sequential recommendation, and demonstrated state-of-the-art…

Information Retrieval · Computer Science 2022-09-19 Bo Peng , Srinivasan Parthasarathy , Xia Ning

Next Point-of-Interests (POIs) recommendation task aims to provide a dynamic ranking of POIs based on users' current check-in trajectories. The recommendation performance of this task is contingent upon a comprehensive understanding of…

Information Retrieval · Computer Science 2024-03-20 Tianhao Huang , Xuan Pan , Xiangrui Cai , Ying Zhang , Xiaojie Yuan

Point-of-interest (POI) recommendation systems aim to predict the next destinations of user based on their preferences and historical check-ins. Existing generative POI recommendation methods usually employ random numeric IDs for POIs,…

Information Retrieval · Computer Science 2025-06-19 Dongsheng Wang , Yuxi Huang , Shen Gao , Yifan Wang , Chengrui Huang , Shuo Shang