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Traditional Point-of-Interest (POI) recommendation systems often lack transparency, interpretability, and scrutability due to their reliance on dense vector-based user embeddings. Furthermore, the cold-start problem -- where systems have…

Information Retrieval · Computer Science 2025-06-23 Wilson Wongso , Hao Xue , Flora D. Salim

Learning effective representations of urban environments requires capturing spatial structure beyond fixed administrative boundaries. Existing geospatial representation learning approaches typically aggregate Points of Interest(POI) into…

Machine Learning · Computer Science 2026-01-23 Mohammad Hashemi , Hossein Amiri , Andreas Zufle

Global geolocation, which seeks to predict the geographical location of images captured anywhere in the world, is one of the most challenging tasks in the field of computer vision. In this paper, we introduce an innovative interactive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Zhiyang Dou , Zipeng Wang , Xumeng Han , Guorong Li , Zhipei Huang , Zhenjun Han

Geospatial Artificial Intelligence (GeoAI) is an interdisciplinary field enjoying tremendous adoption. However, the efficient design and implementation of GeoAI systems face many open challenges. This is mainly due to the lack of…

Artificial Intelligence · Computer Science 2022-10-25 Dalton Lunga , Yingjie Hu , Shawn Newsam , Song Gao , Bruno Martins , Lexie Yang , Xueqing Deng

Language-guided grasping has emerged as a promising paradigm for enabling robots to identify and manipulate target objects through natural language instructions, yet it remains highly challenging in cluttered or occluded scenes. Existing…

Robotics · Computer Science 2026-02-05 Rui Tang , Guankun Wang , Long Bai , Huxin Gao , Jiewen Lai , Chi Kit Ng , Jiazheng Wang , Fan Zhang , Hongliang Ren

GeoGPT is an open large language model system built to advance research in the geosciences. To enhance its domain-specific capabilities, we integrated Retrieval Augmented Generation(RAG), which augments model outputs with relevant…

Information Retrieval · Computer Science 2025-09-16 Fei Huang , Fan Wu , Zeqing Zhang , Qihao Wang , Long Zhang , Grant Michael Boquet , Hongyang Chen

Recent studies have extended the application of large language models (LLMs) to geographic problems, revealing surprising geospatial competence even without explicit spatial supervision. However, LLMs still face challenges in spatial…

Artificial Intelligence · Computer Science 2025-08-07 Jinfan Tang , Kunming Wu , Ruifeng Gongxie , Yuya He , Yuankai Wu

We present a novel method for generating, predicting, and using Spatiotemporal Occupancy Grid Maps (SOGM), which embed future information of dynamic scenes. Our automated generation process creates groundtruth SOGMs from previous navigation…

Robotics · Computer Science 2021-09-17 Hugues Thomas , Matthieu Gallet de Saint Aurin , Jian Zhang , Timothy D. Barfoot

Sequential recommendation (SR) is traditionally formulated as next-item prediction over a chronological sequence of interacted items. Although recent generative recommendation (GR) methods introduce new machinery, such as semantic IDs,…

Information Retrieval · Computer Science 2026-05-19 Yingyi Zhang , Junyi Li , Yejing Wang , Wenlin Zhang , Xiaowei Qian , Sheng Zhang , Yue Feng , Yichao Wang , Yong Liu , Xiangyu Zhao , Xianneng Li

The wide spread of location-based social networks brings about a huge volume of user check-in data, which facilitates the recommendation of points of interest (POIs). Recent advances on distributed representation shed light on learning low…

Information Retrieval · Computer Science 2017-05-01 Bei Liu , Tieyun Qian , Bing Liu , Liang Hong , Zhenni You , Yuxiang Li

In this paper, we address the problem of personalized next Point-of-interest (POI) recommendation which has become an important and very challenging task for location-based social networks (LBSNs), but not well studied yet. With the…

Social and Information Networks · Computer Science 2018-05-17 Jing He , Xin Li , Lejian Liao , Williamb K. Cheung

The next Point of Interest (POI) recommendation task is to predict users' immediate next POI visit given their historical data. Location-Based Social Network (LBSN) data, which is often used for the next POI recommendation task, comes with…

Information Retrieval · Computer Science 2024-08-02 Peibo Li , Maarten de Rijke , Hao Xue , Shuang Ao , Yang Song , Flora D. Salim

Geo-localization aims to infer the geographic location where an image was captured using observable visual evidence. Traditional methods achieve impressive results through large-scale training on massive image corpora. With the emergence of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jinnao Li , Zijian Chen , Tingzhu Chen , Changbo Wang

In local-life service platforms, the query suggestion module plays a crucial role in enhancing user experience by generating candidate queries based on user input prefixes, thus reducing user effort and accelerating search. Traditional…

Computation and Language · Computer Science 2026-03-06 Jinwen Chen , Shuai Gong , Shiwen Zhang , Zheng Zhang , Yachao Zhao , Lingxiang Wang , Haibo Zhou , Yuan Zhan , Wei Lin , Hainan Zhang

LLM-based Multi-Agent Systems have potential benefits of complex decision-making tasks management across various domains but their applications in the next Point-of-Interest (POI) recommendation remain underexplored. This paper proposes a…

Information Retrieval · Computer Science 2024-09-24 Yuqian Wu , Yuhong Peng , Jiapeng Yu , Raymond S. T. Lee

GeoAI has emerged as an exciting interdisciplinary research area that combines spatial theories and data with cutting-edge AI models to address geospatial problems in a novel, data-driven manner. While GeoAI research has flourished in the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Wenwen Li , Chia-Yu Hsu , Sizhe Wang , Peter Kedron

Our goal is to answer real-world tourism questions that seek Points-of-Interest (POI) recommendations. Such questions express various kinds of spatial and non-spatial constraints, necessitating a combination of textual and spatial…

Artificial Intelligence · Computer Science 2021-06-08 Danish Contractor , Shashank Goel , Mausam , Parag Singla

Environment prediction frameworks are integral for autonomous vehicles, enabling safe navigation in dynamic environments. LiDAR generated occupancy grid maps (L-OGMs) offer a robust bird's eye-view scene representation that facilitates…

Robotics · Computer Science 2025-10-20 Bernard Lange , Masha Itkina , Mykel J. Kochenderfer

The sequential recommendation system has been widely studied for its promising effectiveness in capturing dynamic preferences buried in users' sequential behaviors. Despite the considerable achievements, existing methods usually focus on…

Information Retrieval · Computer Science 2023-11-07 Mingjia Yin , Hao Wang , Xiang Xu , Likang Wu , Sirui Zhao , Wei Guo , Yong Liu , Ruiming Tang , Defu Lian , Enhong Chen

In autonomous driving scenarios, accurate perception is becoming an even more critical task for safe navigation. While LiDAR provides precise spatial data, its inherent sparsity makes it difficult to detect small or distant objects.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Minseung Lee , Seokha Moon , Seung Joon Lee , Reza Mahjourian , Jinkyu Kim