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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

This paper proposes a pose-graph attentional graph neural network, called P-GAT, which compares (key)nodes between sequential and non-sequential sub-graphs for place recognition tasks as opposed to a common frame-to-frame retrieval problem…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Milad Ramezani , Liang Wang , Joshua Knights , Zhibin Li , Pauline Pounds , Peyman Moghadam

Location recommendation is defined as to recommend locations (POIs) to users in location-based services. The existing data-driving approaches of location recommendation suffer from the limitation of the implicit modeling of the geographical…

Information Retrieval · Computer Science 2021-11-02 Chang Liu , Chen Gao , Depeng Jin , Yong Li

Bottom-up approaches for image-based multi-person pose estimation consist of two stages: (1) keypoint detection and (2) grouping of the detected keypoints to form person instances. Current grouping approaches rely on learned embedding from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Jiahao Lin , Gim Hee Lee

We introduce an end-to-end learnable technique to robustly identify feature edges in 3D point cloud data. We represent these edges as a collection of parametric curves (i.e.,lines, circles, and B-splines). Accordingly, our deep neural…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Xiaogang Wang , Yuelang Xu , Kai Xu , Andrea Tagliasacchi , Bin Zhou , Ali Mahdavi-Amiri , Hao Zhang

The pose graph is a core component of Structure-from-Motion (SfM), where images act as nodes and edges encode relative poses. Since geometric verification is expensive, SfM pipelines restrict the pose graph to a sparse set of candidate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Tong Wei , Giorgos Tolias , Jiri Matas , Daniel Barath

Recently, Foursquare released a global dataset with more than 100 million points of interest (POIs), each representing a real-world business on its platform. However, many entries lack complete metadata such as addresses or categories, and…

Databases · Computer Science 2025-10-27 Hossein Amiri , Mohammad Hashemi , Andreas Züfle

Despite the ability of text-to-image models to generate high-quality, realistic, and diverse images, they face challenges in compositional generation, often struggling to accurately represent details specified in the input prompt. A…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Parham Rezaei , Arash Marioriyad , Mahdieh Soleymani Baghshah , Mohammad Hossein Rohban

Point of interest (POI) recommendation can play a pivotal role in enriching tourists' experiences by suggesting context-dependent and preference-matching locations and activities, such as restaurants, landmarks, itineraries, and cultural…

Information Retrieval · Computer Science 2026-05-28 Alejandro Bellogín , Linus W. Dietz , Francesco Ricci , Pablo Sánchez

Existing Spatial Interaction Models (SIMs) are limited in capturing the complex and context-aware interactions between business clusters and trade areas. To address the limitation, we propose a SIM-GAT model to predict spatiotemporal…

Econometrics · Economics 2024-01-11 Haiyan Hao , Yan Wang

Spatio-temporal kriging is an important problem in web and social applications, such as Web or Internet of Things, where things (e.g., sensors) connected into a web often come with spatial and temporal properties. It aims to infer knowledge…

Machine Learning · Computer Science 2023-02-07 Chuanpan Zheng , Xiaoliang Fan , Cheng Wang , Jianzhong Qi , Chaochao Chen , Longbiao Chen

Finding multiple temporal relationships among locations can benefit a bunch of urban applications, such as dynamic offline advertising and smart public transport planning. While some efforts have been made on finding static relationships…

Machine Learning · Computer Science 2023-06-16 Shuangli Li , Jingbo Zhou , Ji Liu , Tong Xu , Enhong Chen , Hui Xiong

This paper presents a test collection for contextual point of interest (POI) recommendation in a narrative-driven scenario. There, user history is not available, instead, user requests are described in natural language. The requests in our…

Information Retrieval · Computer Science 2021-05-20 Jafar Afzali , Aleksander Mark Drzewiecki , Krisztian Balog

Accurate prediction of the next point of interest (POI) within human mobility trajectories is essential for location-based services, as it enables more timely and personalized recommendations. In particular, with the rise of these…

Machine Learning · Computer Science 2025-12-23 Ruichen Tan , Jiawei Xue , Kota Tsubouchi , Takahiro Yabe , Satish V. Ukkusuri

We propose a new face recognition method, called a pairwise relational network (PRN), which takes local appearance features around landmark points on the feature map, and captures unique pairwise relations with the same identity and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Bong-Nam Kang , Yonghyun Kim , Daijin Kim

The integration of deep learning approaches in biomedical research has been transformative, enabling breakthroughs in various applications. Despite these strides, its application in protein inference is impeded by the scarcity of…

Machine Learning · Computer Science 2026-05-07 Zheng Ma , Jiazhen Chen , Lei Xin , Ali Ghodsi

Predicting the emergence of links in large evolving networks is a difficult task with many practical applications. Recently, the Science4cast competition has illustrated this challenge presenting a network of 64.000 AI concepts and asking…

Social and Information Networks · Computer Science 2022-01-26 Francisco Andrades , Ricardo Ñanculef

Next Point-of-Interest (POI) recommendation aims to predict users' next locations by leveraging historical check-in sequences. Although existing methods have shown promising results, they often struggle to capture complex high-order…

Information Retrieval · Computer Science 2025-03-31 Jinze Wang , Tiehua Zhang , Lu Zhang , Yang Bai , Xin Li , Jiong Jin

Building upon the strong sequence modeling capability, Generative Recommendation (GR) has gradually assumed a dominant position in the application of recommendation tasks (e.g., video and product recommendation). However, the application of…

Information Retrieval · Computer Science 2025-08-25 Haitao Lin , Zhen Yang , Jiawei Xue , Ziji Zhang , Luzhu Wang , Yikun Gu , Yao Xu , Xin Li

Pedestrian attribute recognition has attracted many attentions due to its wide applications in scene understanding and person analysis from surveillance videos. Existing methods try to use additional pose, part or viewpoint information to…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Pengze Liu , Xihui Liu , Junjie Yan , Jing Shao