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Nowadays, geographic information related to Twitter is crucially important for fine-grained applications. However, the amount of geographic information avail- able on Twitter is low, which makes the pursuit of many applications challenging.…

计算与语言 · 计算机科学 2017-05-09 Hayate Iso , Shoko Wakamiya , Eiji Aramaki

The automatic extraction of urban perception shared by people on location-based social networks (LBSNs) is an important multidisciplinary research goal. One of the reasons is because it facilitates the understanding of the intrinsic…

社会与信息网络 · 计算机科学 2020-10-14 Frances Santos , Thiago H Silva , Antonio A F Loureiro , Leandro Villas

With the rapid development of location-based social networks (LBSNs), spatial item recommendation has become an important means to help people discover attractive and interesting venues and events, especially when users travel out of town.…

信息检索 · 计算机科学 2015-03-13 Weiqing Wang , Hongzhi Yin , Ling Chen , Yizhou Sun , Shazia Sadiq , Xiaofang Zhou

The development of cooperative vehicle safety (CVS) applications, such as collision warnings, turning assistants, and speed advisories, etc., has received great attention in the past few years. Accurate vehicular localization is essential…

分布式、并行与集群计算 · 计算机科学 2016-11-15 Kai Liu , Hock Beng Lim

With a large proportion of people carrying location-aware smartphones, we have an unprecedented platform from which to understand individuals and predict their future actions. This work builds upon the Context Tree data structure that…

人工智能 · 计算机科学 2016-10-06 Alasdair Thomason , Nathan Griffiths , Victor Sanchez

Recognizing spatial relations and reasoning about them is essential in multiple applications including navigation, direction giving and human-computer interaction in general. Spatial relations between objects can either be explicit --…

计算与语言 · 计算机科学 2020-07-21 Soham Dan , Hangfeng He , Dan Roth

We study the extent to which we can infer users' geographical locations from social media. Location inference from social media can benefit many applications, such as disaster management, targeted advertising, and news content tailoring.…

人工智能 · 计算机科学 2019-05-14 Yujie Qian , Jie Tang , Zhilin Yang , Binxuan Huang , Wei Wei , Kathleen M. Carley

We are witnessing significant progress on perception models, specifically those trained on large-scale internet images. However, efficiently generalizing these perception models to unseen embodied tasks is insufficiently studied, which will…

机器人学 · 计算机科学 2023-03-21 Ya Jing , Tao Kong

Spatial co-location pattern mining refers to the task of discovering the group of objects or events that co-occur at many places. Extracting these patterns from spatial data is very difficult due to the complexity of spatial data types,…

数据库 · 计算机科学 2018-10-23 Sanket Vaibhav Mehta , Shagun Sodhani , Dhaval Patel

Many aspects of life are associated with places of human mobility patterns and nowadays we are facing an increase in the pervasiveness of mobile devices these individuals carry. Positioning technologies that serve these devices such as the…

机器学习 · 计算机科学 2019-09-26 Thiago Andrade , Brais Cancela , João Gama

Narratives are fundamental to our perception of the world and are pervasive in all activities that involve the representation of events in time. Yet, modern online information systems do not incorporate narratives in their representation of…

人机交互 · 计算机科学 2020-10-27 Brian Keith , Tanushree Mitra

Image geo-localization is the task of predicting the specific location of an image and requires complex reasoning across visual, geographical, and cultural contexts. While prior Vision Language Models (VLMs) have the best accuracy at this…

计算与语言 · 计算机科学 2025-02-21 Zheyuan Zhang , Runze Li , Tasnim Kabir , Jordan Boyd-Graber

When humans play geolocation games such as GeoGuessr, they rely on concrete visual cues, such as road markings, vegetation, or architectural details, to infer where an image was captured. Whether image geolocation models rely on similar…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Emilie Durrieu , Christophe Hurter , Philippe Muller , Victor Boutin

Researchers are constantly leveraging new forms of data with the goal of understanding how people perceive the built environment and build the collective place identity of cities. Latest advancements in generative artificial intelligence…

机器学习 · 计算机科学 2023-06-09 Kee Moon Jang , Junda Chen , Yuhao Kang , Junghwan Kim , Jinhyung Lee , Fábio Duarte

Inspired by Christopher Alexanders conception of the world - space is not lifeless or neutral but a living structure involving far more small things than large ones a topological representation has been previously developed to characterize…

物理与社会 · 物理学 2020-09-04 Bin Jiang , Zheng Ren

Spatio-temporal data captures complex dynamics across both space and time, yet traditional visualizations are complex, require domain expertise and often fail to resonate with broader audiences. Here, we propose MapMuse, a…

数据库 · 计算机科学 2025-10-21 Panos Kalnis. Shuo Shang , Christian S. Jensen

Capturing human mobility is essential for modeling how people interact with and move through physical spaces, reflecting social behavior, access to resources, and dynamic spatial patterns. To support scalable and transferable analysis…

人工智能 · 计算机科学 2025-06-18 Mohammad Hashemi , Andreas Zufle

Location recommendation plays a vital role in improving users' travel experience. The timestamp of the POI to be predicted is of great significance, since a user will go to different places at different times. However, most existing methods…

信息检索 · 计算机科学 2023-04-11 Yan Luo , Haoyi Duan , Ye Liu , Fu-lai Chung

In this paper, we lay out a vision for analysing semantic trajectory traces and generating synthetic semantic trajectory data (SSTs) using generative language model. Leveraging the advancements in deep learning, as evident by progress in…

计算与语言 · 计算机科学 2023-06-27 Shreya Ghosh , Saptarshi Sengupta , Prasenjit Mitra

Multimodal contents have become commonplace on the Internet today, manifested as news articles, social media posts, and personal or business blog posts. Among the various kinds of media (images, videos, graphics, icons, audio) used in such…

计算与语言 · 计算机科学 2019-09-04 Sreyasi Nag Chowdhury , Simon Razniewski , Gerhard Weikum