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31st SIGSPATIAL/GIS 2023: Hamburg, Germany
- Matthias Renz, Mario A. Nascimento:

Proceedings of the 31st ACM International Conference on Advances in Geographic Information Systems, SIGSPATIAL 2023, Hamburg, Germany, November 13-16, 2023. ACM 2023
Student Research Competition Papers
- Chen Chu

, Hengcai Zhang
, Feng Lu
:
TrajGDM: A New Trajectory Foundation Model for Simulating Human Mobility. 1:1-1:2 - Chiara Pugliese

:
Semantic-aware building and summarization of multiple aspect trajectories. 2:1-2:2 - Yejun Lee

, Eun-Kyeong Kim
, Jaejun Yoo
:
Towards Robust Contrail Detection by Mitigating Label Bias via a Probabilistic Deep Learning Model: A Preliminary Study. 3:1-3:2 - Jiapan Wang

:
Towards GeoAI as a Containerized Microservice. 4:1-4:2 - Chan Young Koh

, Abdeltawab M. Hendawi
:
Towards Disability-Aware Sidewalk Routing. 5:1-5:2 - Emily Hou

, Kimberly Hsueh
:
Back to the Past: Predicting Expected Ride Demand from Previous Dropoffs and Beyond. 6:1-6:2 - Rhett M. Olson

, Jina Kim
, Yao-Yi Chiang
:
An Automatic Approach to Finding Geographic Name Changes on Historical Maps. 7:1-7:2 - Anh N. Nhu

, Yiqun Xie
:
Towards Inherently Interpretable Deep Learning for Accelerating Scientific Discoveries in Climate Science. 8:1-8:2 - Fei Zhao

, Chengcui Zhang
:
Deep Learning for HABs Prediction with Multimodal Fusion. 9:1-9:2 - Weiwei Duan

:
Efficient and Accurate Object Extraction from Scanned Maps by Leveraging External Data and Learning Representative Context. 10:1-10:2 - Jina Kim

, Yao-Yi Chiang
:
Towards Learning of Spatial Triad from Online Text. 11:1-11:2 - Hong Su

, Raymond Chi-Wing Wong
:
Uncovering Causal Relationships in Co-location Patterns: Approximating Direct Causes through Granger Causality Mining. 12:1-12:2 - Mohammed Elkholy

, Hamada Rizk
, Moustafa Youssef
:
Virtual Graph Neural Networks: A Novel Approach for Building-Agnostic Indoor Positioning System. 13:1-13:2 - Víctor Arroyo

, Dimitris Sacharidis
:
SpatialFlip: A Postprocessing Method to Improve Spatial Fairness. 14:1-14:2
GIS Cup Papers
- Simon Walther

, Leonard Cseres
, Rémy Marquis
, Bertil Chapuis
, Andrés Pérez-Uribe:
Diving into Supraglacial Lakes Detection: a Deep Semantic Segmentation Approach. 15:1-15:4 - Xuanshu Luo

, Paul M. Walther
, Wejdene Mansour
, Balthasar Teuscher
, Johann Maximilian Zollner
, Hao Li
, Martin Werner
:
Exploring GeoAI Methods for Supraglacial Lake Mapping on Greenland Ice Sheet. 16:1-16:4 - Haoran Wang

, Jiawei Wei
, Xiaoyong Gao
, Dexuan Sha
, Yiyun Luo
, Junliu Yang
:
Enhanced Mapping of Supraglacial Lakes Through Dual-attention Deep Neural Network. 17:1-17:4 - Adam Booth

, Richard Burke
:
A novel application of DUCK-Net for extracting supraglacial lakes in Greenland. 18:1-18:4 - Wei Chen

, Song Gao
, Feng Zhang
:
Geo-knowledge-informed Deep Learning for Auto-identification of Supraglacial Lakes on the Greenland Ice Sheet from Satellite Imagery. 19:1-19:4
Main Conference (Research, Systems and Industrial Experience Papers, Vision Papers, Demonstration Papers, Data and Resources Papers)
- Andreas Tritsarolis

, Nikos Pelekis
, Yannis Theodoridis
:
VesselVision: Fleet Safety Awareness over Streaming Vessel Trajectories. 20:1-20:4 - Suyash C. Vishnoi

, Akhil Shetty
, Iveel Tsogsuren
, Neha Arora
, Carolina Osorio
:
On the Use of Abundant Road Speed Data for Travel Demand Calibration of Urban Traffic Simulators. 21:1-21:4 - Arash Hajisafi

, Haowen Lin
, Sina Shaham
, Haoji Hu
, Maria Despoina Siampou
, Yao-Yi Chiang
, Cyrus Shahabi
:
Learning Dynamic Graphs from All Contextual Information for Accurate Point-of-Interest Visit Forecasting. 22:1-22:12 - Steffen Strohm

, Finn Witzany
, Christian Beth
, Matthias Renz
:
Integrating Automated Annotation of Magnetic Prospection Data into GIS Workflows in Archaeology (demo paper). 23:1-23:4 - Jiahui Gong

, Yu Liu
, Tong Li
, Haoye Chai
, Xing Wang
, Junlan Feng
, Chao Deng
, Depeng Jin
, Yong Li
:
Empowering Spatial Knowledge Graph for Mobile Traffic Prediction. 24:1-24:11 - Linhan Wang

, Shuo Lei
, Jianfeng He
, Shengkun Wang
, Min Zhang
, Chang-Tien Lu
:
Self-Correlation and Cross-Correlation Learning for Few-Shot Remote Sensing Image Semantic Segmentation. 25:1-25:10 - Fandel Lin

, Craig A. Knoblock
:
Indirect Cooperation in Distributed Stationary-Resource Searching with Predefined Destinations. 26:1-26:12 - Sidi Wu

, Yizi Chen
, Konrad Schindler
, Lorenz Hurni
:
Cross-attention Spatio-temporal Context Transformer for Semantic Segmentation of Historical Maps. 27:1-27:9 - Andreas Tritsarolis

, Brian Murray
, Nikos Pelekis
, Yannis Theodoridis
:
Collision Risk Assessment and Forecasting on Maritime Data. 28:1-28:10 - Mertcan Erdem

, Berk Anbaroglu
:
Reproducible Extraction of Building Footprints from Airborne LiDAR Data: A Demo Paper. 29:1-29:4 - Jingwei Zuo

, Wenbin Li
, Michele Baldo
, Hakim Hacid
:
Unleashing Realistic Air Quality Forecasting: Introducing the Ready-to-Use PurpleAirSF Dataset. 30:1-30:4 - Areeg Mostafa

, Mohamed F. Mokbel
:
Towards Open-Source Maps Metadata. 31:1-31:4 - Zhihao Wang

, Yiqun Xie
, Xiaowei Jia
, Lei Ma
, George C. Hurtt
:
High-Fidelity Deep Approximation of Ecosystem Simulation over Long-Term at Large Scale. 32:1-32:10 - Achilleas Michalopoulos

, Dimitrios Tsitsigkos
, Panagiotis Bouros
, Nikos Mamoulis
, Manolis Terrovitis
:
Efficient Nearest Neighbor Queries on Non-point Data. 33:1-33:4 - Dimitris Bilidas, Anastasios Mantas, Filippos Yfantis, George Stamoulis, Manolis Koubarakis, Spyros Kondylatos, Ioannis Prapas, Ioannis Papoutsis:

Fire Risk Management using Data Cubes, Machine Learning and OBDA systems. 34:1-34:4 - Jina Kim

, Zekun Li
, Yijun Lin
, Min Namgung
, Leeje Jang
, Yao-Yi Chiang
:
The mapKurator System: A Complete Pipeline for Extracting and Linking Text from Historical Maps. 35:1-35:4 - Manar Attar

, Shuai Wang
, Ronald Siebes
, Eirik Kultorp
:
Converting and Enriching Geo-annotated Event Data: Integrating Information for Ukraine Resilience. 36:1-36:4 - Yeasir Rayhan

, Walid G. Aref
:
SIMD-ified R-tree Query Processing and Optimization. 37:1-37:10 - Alex Chin

, Zhiwei (Tony) Qin
:
A Unified Representation Framework for Rideshare Marketplace Equilibrium and Efficiency. 38:1-38:11 - Chung Park

, Taekyoon Choi
, Taesan Kim
, Mincheol Cho
, Junui Hong
, Minsung Choi
, Jaegul Choo
:
FedGeo: Privacy-Preserving User Next Location Prediction with Federated Learning. 39:1-39:10 - Philipp Matthes

, Daniel Jeschor
, Thomas Springer
:
GeoAI-Powered Lane Matching for Bike Routes in GLOSA Apps. 40:1-40:4 - Jinmeng Rao

, Song Gao
, Gengchen Mai
, Krzysztof Janowicz
:
Building Privacy-Preserving and Secure Geospatial Artificial Intelligence Foundation Models (Vision Paper). 41:1-41:4 - Maria Despoina Siampou

, George Papadakis
, Nikos Mamoulis
, Manolis Koubarakis
:
Supervised Scheduling for Geospatial Interlinking. 42:1-42:12 - Yinzhou Tang

, Huandong Wang
, Yong Li
:
Enhancing Spatial Spread Prediction of Infectious Diseases through Integrating Multi-scale Human Mobility Dynamics. 43:1-43:12 - Chiara Pugliese

, Francesco Lettich
, Fabio Pinelli
, Chiara Renso
:
Summarizing Trajectories Using Semantically Enriched Geographical Context. 44:1-44:10 - Xi Yang

, Suining He
, Mahan Tabatabaie
:
Equity-Aware Cross-Graph Interactive Reinforcement Learning for Bike Station Network Expansion. 45:1-45:12 - Huimin Ren

, Sijie Ruan
, Ye Yuan
, Yanhua Li
, Jie Bao
, Tianfu He
, Huajun He
, Chuishi Meng
, Yu Zheng
:
A Novel Approach for Company Real Workplace Identification via E-commercial Data. 46:1-46:4 - Mark Tenzer

, Zeeshan Rasheed
, Khurram Shafique
:
The Geospatial Generalization Problem: When Mobility Isn't Mobile. 47:1-47:4 - Zelin Xu

, Tingsong Xiao
, Wenchong He
, Yu Wang
, Zhe Jiang
:
Spatial Knowledge-Infused Hierarchical Learning: An Application in Flood Mapping on Earth Imagery. 48:1-48:10 - Hossein Amiri

, Shiyang Ruan
, Joon-Seok Kim
, Hyunjee Jin
, Hamdi Kavak
, Andrew T. Crooks
, Dieter Pfoser
, Carola Wenk
, Andreas Züfle
:
Massive Trajectory Data Based on Patterns of Life. 49:1-49:4 - Fuxian Li

, Huan Yan
, Hongjie Sui
, Deng Wang
, Fan Zuo
, Yue Liu
, Yong Li
, Depeng Jin
:
Periodic Shift and Event-aware Spatio-Temporal Graph Convolutional Network for Traffic Congestion Prediction. 50:1-50:10 - Hannah Bast

, Patrick Brosi
, Johannes Kalmbach
, Axel Lehmann
:
Efficient Interactive Visualization of Large Geospatial Query Results. 51:1-51:4 - Chiqun Zhang

, Antonios Karatzoglou
, Helen Craig
, Dragomir Yankov
:
Map GPT Playground: Smart Locations and Routes with GPT. 52:1-52:4 - Zhenyu Han

, Yanxin Xi
, Tong Xia
, Yu Liu
, Yong Li
:
Devil in the Landscapes: Inferring Epidemic Exposure Risks from Street View Imagery. 53:1-53:4 - Jianzhong Qi

, Zuqing Li
, Egemen Tanin
:
MaaSDB: Spatial Databases in the Era of Large Language Models (Vision Paper). 54:1-54:4 - Hao Li

, Jiapan Wang
, Johann Maximilian Zollner
, Gengchen Mai
, Ni Lao
, Martin Werner
:
Rethink Geographical Generalizability with Unsupervised Self-Attention Model Ensemble: A Case Study of OpenStreetMap Missing Building Detection in Africa. 55:1-55:9 - Sai Deepthi Yeddula

, Chen Jiang
, Bo Hui
, Wei-Shinn Ku
:
Traffic Accident Hotspot Prediction Using Temporal Convolutional Networks: A Spatio-Temporal Approach. 56:1-56:4 - Mengyi Liu

, Xieyang Wang
, Jianqiu Xu
, Hua Lu
:
NALSpatial: An Effective Natural Language Transformation Framework for Queries over Spatial Data. 57:1-57:4 - Christian Lülf

, Denis Mayr Lima Martins
, Marcos Antonio Vaz Salles
, Yongluan Zhou
, Fabian Gieseke
:
RapidEarth: A Search-by-Classification Engine for Large-Scale Geospatial Imagery. 58:1-58:4 - Zhicheng Liu

, Yitian Liao
, Zan Sun
, Huankang Guan
, Danning Jiang
, Yong Li
:
Which Traffic Light Should You Look at? Automatically Associating Traffic Lights with Roads in High-Definition Map (Industrial Paper). 59:1-59:11 - Haomin Wen

, Youfang Lin
, Yutong Xia
, Huaiyu Wan
, Qingsong Wen
, Roger Zimmermann
, Yuxuan Liang
:
DiffSTG: Probabilistic Spatio-Temporal Graph Forecasting with Denoising Diffusion Models. 60:1-60:12 - Daria Reshetova

, Swetava Ganguli
, C. V. Krishnakumar Iyer
, Vipul Pandey
:
SeMAnD: Self-Supervised Anomaly Detection in Multimodal Geospatial Datasets. 61:1-61:4 - Sven Gedicke

, Martin Tomko
, Stephan Winter
, Jan-Henrik Haunert
:
Selecting Landmarks for Wayfinding Assistance Based on Advance Visibility. 62:1-62:10 - Chiqun Zhang

, Dragomir Yankov
, Antonios Karatzoglou
, Michael R. Evans
, Florin Sabau
, Oussama Dhifallah
:
A Post-routing ETA Model Providing Confidence Feedback. 63:1-63:4 - Yuanbo Tang

, Zhiyuan Peng
, Yang Li
:
Explainable Trajectory Representation through Dictionary Learning. 64:1-64:4 - Hussah Alrashid

, Amr Magdy
, Sergio J. Rey
:
Statistical Inference for Spatial Regionalization. 65:1-65:12 - Yiqun Xie

, Zhaonan Wang, Gengchen Mai
, Yanhua Li
, Xiaowei Jia
, Song Gao
, Shaowen Wang
:
Geo-Foundation Models: Reality, Gaps and Opportunities. 66:1-66:4 - Cristiano Landi

, Riccardo Guidotti
, Mirco Nanni
, Anna Monreale
:
The Trajectory Interval Forest Classifier for Trajectory Classification. 67:1-67:4 - Renzhong Wang, Maryam Mousaarab Najafabadi, Chiqun Zhang, Long-Qi Chen, Tanya Olenina, Dragomir Yankov:

GPT Applications in Relevance Model Training in Map Search. 68:1-68:4 - Ali Faraji

, Jing Li
, Gian Alix
, Mahmoud Alsaeed
, Nina Yanin
, Amirhossein Nadiri
, Manos Papagelis
:
Point2Hex: Higher-order Mobility Flow Data and Resources. 69:1-69:4 - Keivin Isufaj

, Mohamed Mokhtar Elshrif
, Sofiane Abbar
, Mohamed F. Mokbel
:
GTI: A Scalable Graph-based Trajectory Imputation. 70:1-70:10 - Nojus Makulavicius

, Agne Brilingaite
, Linas Bukauskas
, Alminas Civilis
, Virgilijus Krinickij
, Simonas Saltenis
:
E-TRI: E-Vehicle Testbed Routing Infrastructure. 71:1-71:4 - Gian Alix

, Manos Papagelis
:
PathletRL: Trajectory Pathlet Dictionary Construction using Reinforcement Learning. 72:1-72:12 - Nikolaos Koutroumanis

, Christos Doulkeridis
, Chiara Renso
, Mirco Nanni
, Raffaele Perego
:
TrajParquet: A Trajectory-Oriented Column File Format for Mobility Data Lakes. 73:1-73:4 - Keisuke Otaki

, Ai Nakada
, Tomosuke Maeda
, Takayoshi Yoshimura
, Hiroyuki Sakai
:
Roaming Navigation for Pedestrians (Demo Paper). 74:1-74:4 - Prabin Bhandari

, Antonios Anastasopoulos
, Dieter Pfoser
:
Are Large Language Models Geospatially Knowledgeable? 75:1-75:4 - Christophe Claramunt

, Christine Bassem
, Demetrios Zeinalipour-Yazti
, Baihua Zheng
, Goce Trajcevski
, Kristian Torp
:
Spatial Data Management for Green Mobility. 76:1-76:4 - Marco Landt-Hayen

, Willi Rath
, Sebastian Wahl
, Martin Claus
:
CICMoD - A Climate Index Collection Benchmark (Data and Resources Paper). 77:1-77:4 - Yingrong Qin

, Chen Gao
, Zhen Tu
, Hongsheng Wu
, Shuangqing Wei
, Yue Wang
, Lin Zhang
, Yong Li
:
Modeling Multi-Grained User Preference in Location Visitation. 78:1-78:10 - Zhaonan Wang, Bowen Jin

, Wei Hu, Minhao Jiang
, Seungyeon Kang, Zhiyuan Li
, Sizhe Zhou
, Jiawei Han, Shaowen Wang:
Geospatial Knowledge Hypercube. 79:1-79:4 - Siji Chen

, Yanshen Sun
, Peihan Li
, Lifeng Zhou
, Chang-Tien Lu
:
Spatial Temporal Graph Neural Networks for Decentralized Control of Robot Swarms. 80:1-80:4 - Yannick Wölker

, Christian Beth
, Matthias Renz
, Arne Biastoch
:
SUSTeR: Sparse Unstructured Spatio Temporal Reconstruction on Traffic Prediction. 81:1-81:10 - Yue Hu

, Xiaoli Wang
, Huimin Ren
, Tianfu He
, Tan Tang
, Huajun He
, Chuishi Meng
, Boyang Han
, Jie Bao
, Ying Sun
, Gang Li
, Quanyi Wang
, Peng Yang
, Yu Zheng
:
Epidemic Amplifier Detection: Finding High-Risk Locations in COVID-19 Cases' Location Sequences via Multi-task Learning. 82:1-82:4 - Keivin Isufaj

, Jade Choghari
, Mohamed Mokhtar Elshrif
:
A Demonstration of GTI: A Scalable Graph-based Trajectory Imputation. 83:1-83:4 - Mahmoud Attia Sakr

, Gaspard Merten
:
Brussels Mobility Twin. 84:1-84:4 - Sherif Mostafa

, Khaled A. Harras
, Moustafa Youssef
:
UniCellular: An Accurate and Ubiquitous Floor Identification System using Single Cell Tower Information. 85:1-85:10 - Pei-Xuan Li

, Hsun-Ping Hsieh
:
Forecasting Dengue Fever Risk in Regions without Sensors Using Multi-View Graph Fusion Recurrent Neural Network. 86:1-86:4 - Giuliano Cornacchia

, Mirco Nanni
, Luca Pappalardo
:
One-Shot Traffic Assignment with Forward-Looking Penalization. 87:1-87:10 - Justin Downes

, Sam Saltwick
, Anthony Chen
:
Saliency Driven Imagery Preprocessing for Efficient Compression - Industrial Paper. 88:1-88:11 - Mudan Wang

, Huan Yan
, Huandong Wang
, Yong Li
, Depeng Jin
:
Contagion Process Guided Cross-scale Spatio-Temporal Graph Neural Network for Traffic Congestion Prediction. 89:1-89:11 - Yu Liu

, Jingtao Ding
, Yong Li
:
KnowSite: Leveraging Urban Knowledge Graph for Site Selection. 90:1-90:12 - Zhilun Zhou

, Jingtao Ding
, Yu Liu
, Depeng Jin
, Yong Li
:
Towards Generative Modeling of Urban Flow through Knowledge-enhanced Denoising Diffusion. 91:1-91:12 - Kasper Fromm Pedersen

, Kristian Torp
:
Web-Based Traffic-Sign Detection. 92:1-92:4 - Alexandra Kapp

, Helena Mihaljevic
:
Reconsidering utility: unveiling the limitations of synthetic mobility data generation algorithms in real-life scenarios. 93:1-93:12 - Xiaohang Xu

, Toyotaro Suzumura
, Jiawei Yong
, Masatoshi Hanai
, Chuang Yang
, Hiroki Kanezashi
, Renhe Jiang
, Shintaro Fukushima
:
Revisiting Mobility Modeling with Graph: A Graph Transformer Model for Next Point-of-Interest Recommendation. 94:1-94:10 - Chen Jiang

, Wenlu Wang
, Naiqing Pan
, Wei-Shinn Ku
:
A Multimodal Geo Dataset for High-resolution Precipitation Forecasting. 95:1-95:4 - Yongyi Liu

, Yunfan Kang
, Ahmed Mahmood
, Amr Magdy
:
Scalable Evaluation of Local K-Function for Radius-Accurate Hotspot Detection in Spatial Networks. 96:1-96:12 - Lohan Meunier

, Ying Zhao
:
Reachability Queries on Dynamic Temporal Bipartite Graphs. 97:1-97:11 - Yijun Lin

, Yao-Yi Chiang
:
Modeling Spatially Varying Physical Dynamics for Spatiotemporal Predictive Learning. 98:1-98:11 - Abdulrahman Salama

, Abdeltawab M. Hendawi
, Mohamed Ali
, Eyhab Al-Masri
, Richard Franklin
, Anish Deshpande
:
SolarDetector: A Transformer-based Neural Network for the Detection and Masking of Solar Panels. 99:1-99:4 - Namwoo Kim

, Hyeyeong Lee
, Yoonjin Yoon
:
A Heterogeneous Attention Network Model for Longitudinal Analysis of Socioeconomic and Racial Inequalities in Urban Regions: Evidence from Chicago, IL. 100:1-100:4 - Ren Ozeki

, Haruki Yonekura
, Aidana Baimbetova
, Hamada Rizk
, Hirozumi Yamaguchi
:
One Model Fits All: Cross-Region Taxi-Demand Forecasting. 101:1-101:4 - Hao Xue

, Flora D. Salim
:
Artificial General Intelligence for Human Mobility (Vision Paper). 102:1-102:4 - Steve Gounoue

, Ran Yu
, Elena Demidova
:
SCANNER: A Spatio-temporal Correlation and Neighborhood-based Feature Enrichment for Traffic Prediction. 103:1-103:4 - Yunhe Feng

, Zexuan Meng
, Colton Clemmer
, Heng Fan
, Yan Huang
:
Data and Resources Paper: A Multi-granularity Decade-Long Geo-Tagged Twitter Dataset for Spatial Computing. 104:1-104:4 - Baixiang Huang

, Bryan Hooi
, Kai Shu
:
TAP: A Comprehensive Data Repository for Traffic Accident Prediction in Road Networks. 105:1-105:4 - Liyue Fan

, Luca Bonomi
:
Hide Your Distance: Privacy Risks and Protection in Spatial Accessibility Analysis. 106:1-106:11 - Haowen Lin

, Sina Shaham
, Yao-Yi Chiang
, Cyrus Shahabi
:
Generating Realistic and Representative Trajectories with Mobility Behavior Clustering. 107:1-107:4 - Martin Werner

, Hao Li
, Johann Maximilian Zollner
, Balthasar Teuscher
, Fabian Deuser
:
Bavaria Buildings - A Novel Dataset for Building Footprint Extraction, Instance Segmentation, and Data Quality Estimation. 108:1-108:4 - Fandel Lin

, Craig A. Knoblock
, Basel Shbita
, Binh Vu
, Zekun Li
, Yao-Yi Chiang
:
Exploiting Polygon Metadata to Understand Raster Maps - Accurate Polygonal Feature Extraction. 109:1-109:12

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