中文
相关论文

相关论文: USTAR: Online Multimodal Embedding for Modeling Us…

200 篇论文

Online social networks convey rich information about geospatial facets of reality. However in most cases, geographic information is not explicit and structured, thus preventing its exploitation in real-time applications. We address this…

计算与语言 · 计算机科学 2025-03-04 Leonardo Nizzoli , Marco Avvenuti , Maurizio Tesconi , Stefano Cresci

The ability to track large-scale events as they happen is essential for understanding them and coordinating reactions in an appropriate and timely manner. This is true, for example, in emergency management and decision-making support, where…

计算机与社会 · 计算机科学 2022-06-28 Carlo Bono , Barbara Pernici

The social robot navigation is an open and challenging problem. In existing work, separate modules are used to capture spatial and temporal features, respectively. However, such methods lead to extra difficulties in improving the…

机器人学 · 计算机科学 2023-10-12 Haodong He , Hao Fu , Qiang Wang , Shuai Zhou , Wei Liu

Human mobility forecasting in a city is of utmost importance to transportation and public safety, but with the process of urbanization and the generation of big data, intensive computing and determination of mobility pattern have become…

机器学习 · 计算机科学 2019-08-16 Hongnian Wang , Han Su

The prevalence of location-based social networks (LBSNs) has eased the understanding of human mobility patterns. Knowledge of human dynamics can aid in various ways like urban planning, managing traffic congestion, personalized…

社会与信息网络 · 计算机科学 2020-09-09 Manisha Dubey , P. K. Srijith , Maunendra Sankar Desarkar

This paper introduces a data-driven time embedding method for modeling long-range seasonal dependencies in spatiotemporal forecasting tasks. The proposed approach employs Dynamic Mode Decomposition (DMD) to extract temporal modes directly…

机器学习 · 计算机科学 2025-08-05 Menglin Kong , Vincent Zhihao Zheng , Xudong Wang , Lijun Sun

Typical dynamic ST data includes trajectory data (representing individual-level mobility) and traffic state data (representing population-level mobility). Traditional studies often treat trajectory and traffic state data as distinct,…

人工智能 · 计算机科学 2024-12-03 Xie Yu , Jingyuan Wang , Yifan Yang , Qian Huang , Ke Qu

User representation learning is vital to capture diverse user preferences, while it is also challenging as user intents are latent and scattered among complex and different modalities of user-generated data, thus, not directly measurable.…

社会与信息网络 · 计算机科学 2019-12-03 Lin Gong , Lu Lin , Weihao Song , Hongning Wang

Learning-based methods have shown promising performance for accelerating motion planning, but mostly in the setting of static environments. For the more challenging problem of planning in dynamic environments, such as multi-arm assembly…

机器人学 · 计算机科学 2025-06-13 Ruipeng Zhang , Chenning Yu , Jingkai Chen , Chuchu Fan , Sicun Gao

Purpose: This paper aims to enhance bearing fault diagnosis in industrial machinery by introducing a novel method that combines Graph Attention Network (GAT) and Long Short-Term Memory (LSTM) networks. This approach captures both spatial…

Social networks are getting closer to our real physical world. People share the exact location and time of their check-ins and are influenced by their friends. Modeling the spatio-temporal behavior of users in social networks is of great…

社会与信息网络 · 计算机科学 2017-04-11 Ali Zarezade , Sina Jafarzadeh , Hamid R. Rabiee

This paper introduces a novel spatiotemporal feature representation model designed to address the limitations of traditional methods in multidimensional time series (MTS) analysis. The proposed approach converts MTS into one-dimensional…

机器学习 · 计算机科学 2024-10-10 Xu Yan , Yaoting Jiang , Wenyi Liu , Didi Yi , Jianjun Wei

State-of-the-art stereo matching (SM) models trained on synthetic data often fail to generalize to real data domains due to domain differences, such as color, illumination, contrast, and texture. To address this challenge, we leverage data…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Shuangli Du , Jing Wang , Minghua Zhao , Zhenyu Xu , Jie Li

Forecasting urban phenomena such as housing prices and public health indicators requires the effective integration of various geospatial data. Current methods primarily utilize task-specific models, while recent foundation models for…

机器学习 · 计算机科学 2025-10-16 Dominik J. Mühlematter , Lin Che , Ye Hong , Martin Raubal , Nina Wiedemann

Generating video descriptions automatically is a challenging task that involves a complex interplay between spatio-temporal visual features and language models. Given that videos consist of spatial (frame-level) features and their temporal…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Anoop Cherian , Jue Wang , Chiori Hori , Tim K. Marks

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

Skeleton-based human action recognition has attracted a lot of research attention during the past few years. Recent works attempted to utilize recurrent neural networks to model the temporal dependencies between the 3D positional…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Jun Liu , Amir Shahroudy , Dong Xu , Alex C. Kot , Gang Wang

Network embedding has recently emerged as a promising technique to embed nodes of a network into low-dimensional vectors. While fairly successful, most existing works focus on the embedding techniques for static networks. But in practice,…

社会与信息网络 · 计算机科学 2020-10-28 Zenan Xu , Zijing Ou , Qinliang Su , Jianxing Yu , Xiaojun Quan , Zhenkun Lin

Learning transferable multimodal embeddings for urban environments is challenging because urban understanding is inherently spatial, yet existing datasets and benchmarks lack explicit alignment between street-view images and urban…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Jie Zhang , Xingtong Yu , Yuan Fang , Rudi Stouffs , Zdravko Trivic

Currently successful methods for video description are based on encoder-decoder sentence generation using recur-rent neural networks (RNNs). Recent work has shown the advantage of integrating temporal and/or spatial attention mechanisms…

计算机视觉与模式识别 · 计算机科学 2017-03-13 Chiori Hori , Takaaki Hori , Teng-Yok Lee , Kazuhiro Sumi , John R. Hershey , Tim K. Marks