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29th SIGSPATIAL/GIS 2021: Virtual Event / Beijing, China
- Xiaofeng Meng, Fusheng Wang, Chang-Tien Lu, Yan Huang, Shashi Shekhar, Xing Xie:
SIGSPATIAL '21: 29th International Conference on Advances in Geographic Information Systems, Virtual Event / Beijing, China, November 2-5, 2021. ACM 2021, ISBN 978-1-4503-8664-7 - Dejun Teng, Akshay Nehe, Prajeeth Emanuel, Furqan Baig, Jun Kong, Fusheng Wang:
GPU-based Real-time Contact Tracing at Scale. 1-10 - Wenzel Friedsam, Robin Hieber, Alexander Kharitonov, Tobias Rupp:
OSM Ski Resort Routing. 11-14 - Daichi Amagata, Shohei Tsuruoka, Yusuke Arai, Takahiro Hara:
Feat-SKSJ: Fast and Exact Algorithm for Top-k Spatial-Keyword Similarity Join. 15-24 - Agnieszka Jastrzebska, Wladyslaw Homenda:
Text-Based Delay Prediction in a Public Transport Monitoring System. 25-28 - Rita Ramos, Bruno Martins:
Remote Sensing Image Captioning with Continuous Output Neural Models. 29-32 - Zhanhong Yang, Satoshi Masuda, Michiaki Tatsubori:
Online Adaptation of Parameters using GRU-based Neural Network with BO for Accurate Driving Model. 33-36 - Zheng Zhu, Huimin Ren, Sijie Ruan, Boyang Han, Jie Bao, Ruiyuan Li, Yanhua Li, Yu Zheng:
ICFinder: A Ubiquitous Approach to Detecting Illegal Hazardous Chemical Facilities with Truck Trajectories. 37-40 - Bram Custers, Wouter Meulemans, Bettina Speckmann, Kevin Verbeek:
Route Reconstruction from Traffic Flow via Representative Trajectories. 41-52 - Favyen Bastani, Songtao He, Satvat Jagwani, Mohammad Alizadeh, Hari Balakrishnan, Sanjay Chawla, Sam Madden, Mohammad Amin Sadeghi:
Updating Street Maps using Changes Detected in Satellite Imagery. 53-56 - Kostas Kollias, Arun Chandrashekharapuram, Lisa Fawcett, Sreenivas Gollapudi, Ali Kemal Sinop:
Weighted Stackelberg Algorithms for Road Traffic Optimization. 57-68 - Mahan Tabatabaie, Suining He, Xi Yang:
Reinforced Feature Extraction and Multi-Resolution Learning for Driver Mobility Fingerprint Identification. 69-80 - Kien Nguyen, John Krumm, Cyrus Shahabi:
Quantifying Intrinsic Value of Information of Trajectories. 81-90 - Guangyin Jin, Huan Yan, Fuxian Li, Yong Li, Jincai Huang:
Hierarchical Neural Architecture Search for Travel Time Estimation. 91-94 - Wenmiao Hu, Yifang Yin, Ying Kiat Tan, An Tran, Hannes Kruppa, Roger Zimmermann:
GeoPalette: Road Segmentation with Limited Satellite Imagery. 95-98 - Hassan Noureddine, Cyril Ray, Christophe Claramunt:
Multiple Views of Semantic Trajectories in Indoor and Outdoor Spaces. 99-102 - Mohamed Amin Hammami, Christophe Claramunt:
An acoustic and psycho-acoustic experimental setup for analysing urban soundscapes. 103-106 - Yifang Yin, An Tran, Ying Zhang, Wenmiao Hu, Guanfeng Wang, Jagannadan Varadarajan, Roger Zimmermann, See-Kiong Ng:
Multimodal Fusion of Satellite Images and Crowdsourced GPS Traces for Robust Road Attribute Detection. 107-116 - Hanxiang Hao, Sriram Baireddy, Kevin J. LaTourette, Latisha Konz, Moses W. Chan, Mary L. Comer, Edward J. Delp:
Improving Building Segmentation Using Uncertainty Modeling and Metadata Injection. 117-120 - Camila F. Costa, Mario A. Nascimento:
Last Mile Delivery Considering Time-Dependent Locations. 121-132 - He Li, Shiyu Zhang, Xuejiao Li, Liangcai Su, Hongjie Huang, Duo Jin, Linghao Chen, Jianbin Huang, Jaesoo Yoo:
DetectorNet: Transformer-enhanced Spatial Temporal Graph Neural Network for Traffic Prediction. 133-136 - He Li, Duo Jin, Xuejiao Li, Jianbin Huang, Jaesoo Yoo:
Multi-Task Synchronous Graph Neural Networks for Traffic Spatial-Temporal Prediction. 137-140 - Konstantin Klemmer, Daniel B. Neill:
Auxiliary-task learning for geographic data with autoregressive embeddings. 141-144 - Jingyuan Wang, Jiawei Jiang, Wenjun Jiang, Chao Li, Wayne Xin Zhao:
LibCity: An Open Library for Traffic Prediction. 145-148 - Menghai Pan, Xin Zhang, Yanhua Li, Xun Zhou, Jun Luo:
Learning Decision Making Strategies of Non-experts: A NEXT-GAIL Model for Taxi Drivers. 149-158 - Xiang Li, Yijun He:
Origin-destination (OD) analysis based on big taxi trajectory data with XStar (Demo Paper). 159-162 - Fandel Lin, Hsun-Ping Hsieh:
Conntrans: A Two-Stage Concentric Annealing Approach for Multi-Criteria Distributed Competitive Stationary Resource Searching. 163-174 - John Krumm:
Brownian Bridge Interpolation for Human Mobility? 175-183 - Sina Shaham, Gabriel Ghinita, Ritesh Ahuja, John Krumm, Cyrus Shahabi:
HTF: Homogeneous Tree Framework for Differentially-Private Release of Location Data. 184-194 - Gautam S. Thakur, Kelly M. Sims, Chantelle Rittmaier, Joseph Bentley, Debraj De, Junchuan Fan, Tao Liu, Rachel Palumbo, Jesse McGaha, Phil Nugent, Bryan Eaton, Jordan Burdette, Tyler Sheldon, Kevin A. Sparks:
Accelerated Assessment of Critical Infrastructure in Aiding Recovery Efforts During Natural and Human-made Disaster. 195-206 - Soto Anno, Kota Tsubouchi, Masamichi Shimosaka:
CityOutlook: Early Crowd Dynamics Forecast towards Irregular Events Detection with Synthetically Unbiased Regression. 207-210 - Yu Gu, Wei Tu, Qingquan Li, Tianhong Zhao, Dingyi Zhao, Song Zhu, Jiasong Zhu:
Collaboratively inspect large-area sewer pipe networks using pipe robotic capsules. 211-220 - Koh Takeuchi, Masaaki Imaizumi, Shunsuke Kanda, Yasuo Tabei, Keisuke Fujii, Ken Yoda, Masakazu Ishihata, Takuya Maekawa:
Fréchet Kernel for Trajectory Data Analysis. 221-224 - Tianfu He, Guochun Chen, Chuishi Meng, Huajun He, Zheyi Pan, Yexin Li, Sijie Ruan, Huimin Ren, Ye Yuan, Ruiyuan Li, Junbo Zhang, Jie Bao, Hui He, Yu Zheng:
POI Alias Discovery in Delivery Addresses using User Locations. 225-228 - Christian Häcker, Panagiotis Bouros, Theodoros Chondrogiannis, Ernst Althaus:
Most Diverse Near-Shortest Paths. 229-239 - Shangbin Wu, Xiaoliang Fan, Longbiao Chen, Ming Cheng, Cheng Wang:
Predicting the spread of COVID-19 in China with human mobility data. 240-243 - Chenbei Lu, Jiaman Wu, Chenye Wu, Yongli Qin, Qun (Tracy) Li, Nan Ma:
Efficiency or Fairness?: Carpooling Design for Online Ride-hailing Platform in Transport Hubs at Midnight. 244-255 - Sujoy Bhore, Robert Ganian, Guangping Li, Martin Nöllenburg, Jules Wulms:
Worbel: Aggregating Point Labels into Word Clouds. 256-267 - João Coelho, João Magalhães, Bruno Martins:
Improving Neural Models for the Retrieval of Relevant Passages to Geographical Queries. 268-277 - Ahmed Shokry, Moustafa Youssef:
Towards Quantum Computing for Location Tracking and Spatial Systems. 278-281 - Ali Kemal Sinop, Lisa Fawcett, Sreenivas Gollapudi, Kostas Kollias:
Robust Routing Using Electrical Flows. 282-292 - Abdulaziz Almaslukh, Yongyi Liu, Amr Magdy:
Scalable Spatio-Temporal Top-k Community Interactions Query. 293-296 - Theodoros Chondrogiannis, Panagiotis Bouros, Winfried Emser:
Simulation-based Evacuation Planning for Urban Areas. 297-300 - Yang Zhen, Masato Sugasaki, Yoshihiro Kawahara, Kota Tsubouchi, Matthew Ishige, Masamichi Shimosaka:
AI-BPO: Adaptive incremental BLE beacon placement optimization for crowd density monitoring applications. 301-304 - Joseph Zalewski, Pascal Hitzler, Krzysztof Janowicz:
Semantic Compression with Region Calculi in Nested Hierarchical Grids. 305-308 - Yuki Awano, Takuya Nishimura:
Matching Buildings Between 2.5D Maps and Dash Cam Images for Building Identification. 309-312 - Yiqun Xie, Xiaowei Jia, Han Bao, Xun Zhou, Jia Yu, Rahul Ghosh, Praveen Ravirathinam:
Spatial-Net: A Self-Adaptive and Model-Agnostic Deep Learning Framework for Spatially Heterogeneous Datasets. 313-323 - Samriddhi Singla, Ahmed Eldawy, Tina Diao, Ayan Mukhopadhyay, Elia Scudiero:
The Raptor Join Operator for Processing Big Raster + Vector Data. 324-335 - Keiichi Ochiai, Hiroto Akatsuka, Wataru Yamada, Masayuki Terada:
Disaster Damage Estimation from Real-time Population Dynamics using Graph Convolutional Network (Industrial Paper). 336-345 - Setu Shah, Vamsi Meduri, Mohamed Sarwat:
GEM: An Efficient Entity Matching Framework for Geospatial Data. 346-349 - Guoray Cai, Yimu Pan:
Learning Functional Properties of Rooms in Indoor Space from Point Cloud Data: A Deep Learning Approach. 350-353 - Shengcheng Cai, Tao Wu, Jiali Mao, Cheqing Jin:
Road Closure Detection based upon Multi-feature Fusion. 354-364 - Peizhong Yang, Lizhen Wang, Xiaoxuan Wang, Lihua Zhou, Hongmei Chen:
Parallel Co-location Pattern Mining based on Neighbor-Dependency Partition and Column Calculation. 365-374 - Xu Teng, Goce Trajcevski, Andreas Züfle:
Semantically Diverse Paths with Range and Origin Constraints. 375-378 - Yatong Song, Jiawei Li, Liying Chen, Shuiping Chen, Renqing He, Zhizhao Sun:
A Semantic Segmentation based POI Coordinates Generating Framework for On-demand Food Delivery Service. 379-388 - Zongyu Lin, Guozhen Zhang, Zhiqun He, Jie Feng, Wei Wu, Yong Li:
Vehicle Trajectory Recovery on Road Network Based on Traffic Camera Video Data. 389-398 - Xu Teng, Thomas Beckler, Bradley Gannon, Benjamin Huinker, Gabriel Huinker, Koushhik Kumar, Christina Marquez, Jacob Spooner, Goce Trajcevski, Prabin Giri, Aaron Dotter, Jeff J. Andrews, Scott Coughlin, Ying Qin, Juan Gabriel Serra-Perez, Nam Tran, Jaime Roman-Garja, Konstantinos Kovlakas, Emmanouil Zapartas, Simone S. Bavera, Devina Misra, Tassos Fragos:
CSD-CMAD: Coupling Similarity and Diversity for Clustering Multivariate Astrophysics Data. 399-402 - Huajun He, Ruiyuan Li, Jie Bao, Tianrui Li, Yu Zheng:
JUST-Traj: A Distributed and Holistic Trajectory Data Management System. 403-406 - Yue Hu, Sijie Ruan, Yuting Ni, Huajun He, Jie Bao, Ruiyuan Li, Yu Zheng:
SALON: A Universal Stay Point-Based Location Analysis Platform. 407-410 - Mingfei Cai, Yanbo Pang, Takehiro Kashiyama, Yoshihide Sekimoto:
Simulating Human Mobility with Agent-based Modeling and Particle Filter Following Mobile Spatial Statistics. 411-414 - Nicolas Tempelmeier, Elena Demidova:
Ovid: A Machine Learning Approach for Automated Vandalism Detection in OpenStreetMap. 415-418 - Leonardo J. A. S. Figueiredo, Germano B. dos Santos, Raissa P. P. M. Souza, Fabrício A. Silva, Thais R. M. Braga Silva:
MoreData: A Geospatial Data Enrichment Framework. 419-422 - Edward Buckland, Egemen Tanin, Nicholas Geard, Cameron Zachreson, Hairuo Xie, Hanan Samet:
Managing Trajectories and Interactions During a Pandemic: A Trajectory Similarity-based Approach (Demo Paper). 423-426 - Yuen Hoi Lau, Raymond Chi-Wing Wong:
Spatio-Temporal Graph Convolutional Networks for Traffic Forecasting: Spatial Layers First or Temporal Layers First? 427-430 - Andreas S. Andersen, Andreas D. Christensen, Philip Michaelsen, Shpend Gjela, Kristian Torp:
AIS Data as Trajectories and Heat Maps. 431-434 - Ruiyuan Li, Rubin Wang, Junwen Liu, Zisheng Yu, Huajun He, Tianfu He, Sijie Ruan, Jie Bao, Chao Chen, Fuqiang Gu, Liang Hong, Yu Zheng:
Distributed Spatio-Temporal k Nearest Neighbors Join. 435-445 - Ai-Te Kuo, Hanan Samet:
MusicStand: Listening to Song Lyrics Using a Map Query Interface. 446-449 - Dongjie Wang, Kunpeng Liu, David Mohaisen, Pengyang Wang, Chang-Tien Lu, Yanjie Fu:
Automated Feature-Topic Pairing: Aligning Semantic and Embedding Spaces in Spatial Representation Learning. 450-453 - Solomiia Kurchaba, Jasper van Vliet, Jacqueline J. Meulman, Fons J. Verbeek, Cor J. Veenman:
Improving evaluation of NO2 emission from ships using spatial association on TROPOMI satellite data. 454-457 - Tin Vu, Alberto Belussi, Sara Migliorini, Ahmed Eldawy:
A Learned Query Optimizer for Spatial Join. 458-467 - Dimitrios Skoutas, Dimitris Sacharidis, Kostas Patroumpas:
Discovering Mixture-Based Best Regions of Arbitrary Shapes. 468-479 - Ouri Wolfson, Prabin Giri, Sushil Jajodia, Goce Trajcevski:
Geographic-Region Monitoring by Drones in Adversarial Environments. 480-483 - Shekoofeh Mokhtari, Alex Rusnak, Tsheko Mutungu, Dragomir Yankov:
Improving Maps Auto-Complete Through Query Expansion (Demo Paper). 484-487 - Liyue Fan, Ishan Gote:
A Closer Look: Evaluating Location Privacy Empirically. 488-499 - Licia Amichi, Aline Carneiro Viana, Mark Crovella, Antonio A. F. Loureiro:
From movement purpose to perceptive spatial mobility prediction. 500-511 - Yunzhi Shi, Raj Biswas, Mehdi Noori, Michael Kilberry, John Oram, Joe Mays, Sachin Kharude, Dinesh Rao, Xin Chen:
Predicting Road Accident Risk Using Geospatial Data and Machine Learning (Demo Paper). 512-515 - Chen Jiang, Jingjing Li, Wenlu Wang, Wei-Shinn Ku:
Modeling Real Estate Dynamics Using Temporal Encoding. 516-525 - Anderson Chaves Carniel, Felippe Galdino, Juliana Strieder Philippsen, Markus Schneider:
Handling Fuzzy Spatial Data in R Using the fsr Package. 526-535 - Hannah Bast, Patrick Brosi, Johannes Kalmbach, Axel Lehmann:
An Efficient RDF Converter and SPARQL Endpoint for the Complete OpenStreetMap Data. 536-539 - Darniton Viana, Luciano Barbosa:
Attention-Based Spatial Interpolation for House Price Prediction. 540-549 - Gorisha Agarwal, Laks V. S. Lakshmanan, Xiaoming Gao, Kevin Ventullo, Saurav Mohapatra, Saikat Basu:
MAYUR: Map conflAtion using earlY prUning and Rank join. 550-553 - I-Ying Wu, Fandel Lin, Hsun-Ping Hsieh:
Dual-Attention Multi-Scale Graph Convolutional Networks for Highway Accident Delay Time Prediction. 554-563 - Mohammad Reza Shahneh, Samet Oymak, Amr Magdy:
A-GWR: Fast and Accurate Geospatial Inference via Augmented Geographically Weighted Regression. 564-575 - Yunting Song, Riccardo Fellegara, Federico Iuricich, Leila De Floriani:
Efficient topology-aware simplification of large triangulated terrains. 576-587 - Robert J. Fitzgerald, Farnoush Banaei Kashani:
Online Route Replanning for Scalable System-Optimal Route Planning. 588-591 - Yawen Zhang, Michael Hannigan, Qin Lv:
Air Pollution Hotspot Detection and Source Feature Analysis using Cross-Domain Urban Data. 592-595 - Joachim Gudmundsson, Martin P. Seybold, John Pfeifer:
On Practical Nearest Sub-Trajectory Queries under the Fréchet Distance. 596-605 - Zhida Chen, Gao Cong, Walid G. Aref:
STAR: A Cache-based Distributed Warehouse System for Spatial Data Streams. 606-615 - Payas Rajan, Chinya V. Ravishankar:
Tiering in Contraction and Edge Hierarchies for Stochastic Route Planning. 616-625 - Honglin Zhu, Qiming Zhou:
How and to what extent does the spatial and temporal discretization schema affect GIS-based hydrological modelling? 626-629 - Sitao Min, Ritesh Ahuja, Yingzhe Liu, Abbas Zaidi, Catherine Phu, Luciano Nocera, Cyrus Shahabi:
CrowdMap: Spatiotemporal Visualization of Anonymous Occupancy Data for Pandemic Response. 630-633 - Rohit Verma, Justas Brazauskas, Vadim Safronov, Matthew Danish, Ian Lewis, Richard Mortier:
RACER: Real-Time Automated Complex Event Recognition in Smart Environments. 634-637
SIGSPATIAL Cup
- Yurui Huang, Jie Zhang, HengDa Bao, Yang Yang, Jian Yang:
Complementary Fusion of Deep Network and Tree Model for ETA Prediction. 638-641 - Yunchong Gan, Haoyu Zhang, Mingjie Wang:
Travel Time Estimation Based on Neural Network with Auxiliary Loss. 642-645 - Zichuan Liu, Zhaoyang Wu, Meng Wang, Rui Zhang:
Multi-View Spatial-Temporal Model for Travel Time Estimation. 646-649 - Tomoki Saito, Shinichi Tanimoto, Fumihiko Takahashi:
Hierarchical Positional Approach for ETA Prediction. 650-653 - Jiezhang Li, Wanyi Zhou, Zebin Chen, Yue-Jiao Gong:
Geo-Attention Network for Traffic Condition Prediction and Travel Time Estimation. 654-657 - Xiaowei Mao, Tianyue Cai, Wenchuang Peng, Huaiyu Wan:
Estimated Time of Arrival Prediction via Modeling the Spatial-Temporal Interactions between Links and Crosses. 658-661 - Xuewei Guo, Shenglong Zhang:
Integration Model for Estimated Time of Arrival. 662-665
Student Research Competition
- Moritz Laass:
Point in Polygon Tests Using Hardware Accelerated Ray Tracing. 666-667 - Ruoying Li, Sabine Storandt, Uli Müller, David Weber:
Barrier-Free Pedestrian Routing with Contraction Hierarchies. 668-669 - Sumanto Dutta:
TrajNet: Outlier Detection in Vehicle Trajectory Data using Capsule Network based One-Shot Learning. 670-671 - Joseph Boulis, Mohamed Hemdan, Ahmed Shokry, Moustafa Youssef:
Data Augmentation using GANs for Deep Learning-based Localization Systems. 672-673 - Israa Fahmy, Samah Ayman, Hamada Rizk, Moustafa Youssef:
MonoFi: Efficient Indoor Localization based on Single Radio Source And Minimal Fingerprinting. 674-675 - Jingyi Wan:
Efficient Shortest Distance Query Processing in Road Networks for Spatially Skewed Workloads. 676-677 - Yu-En Chang, Hsun-Ping Hsieh:
An Interpretable Deep Learning Framework for Assessing Financial Potential of Urban Spaces. 678-679 - Yuankun Jiao, Yao-Yi Chiang:
SRC: Incorporating Geographic Information for Building a Location-based Recommendation System. 680-681
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