Program at a glance
All times are shown in the Central European Summer Time - CET (UTC + 02:00) time zone.
Welcome and Opening Lecture
Recording of the opening Lecture is available at https://youtu.be/yj1u_mwV9L8.
More about Poznan’s region history
Sessions
Keynote 1
Chair: Krzysztof Janowicz
8:30-9:15: Prof. Simon Scheider. If GIS provides the answer, what was the question again? Geo-analytical question-answering as a form of knowledge generation - YouTube
9:15-9:30: Discussion
Session 1 - COMPUTATIONAL GEOMETRY
Video
Chair: Robert Weibel
9:45-10:00: Marc van Kreveld, Tim Ophelders, Willem Sonke, Bettina Speckmann, and Kevin Verbeek. Volume from Outlines on Terrains (Candidate for Best-Paper Award)
10:00-10:15: Ankush Acharyya, Ramesh Jallu, Maarten Löffler, Gert Meijer, Maria Saumell, Rodrigo Silveira and Frank Staals. Terrain prickliness: theoretical grounds for high complexity viewsheds
10:15-10:25: Mateusz Ośko, Jarosław Jasiewicz and Przemysław Szarwark. Segmentation of point-based geographic space
10:25-10:45: Discussion
Session 2 - COMPUTATIONAL GEOMETRY
Video
Chair: Jan-Henrik Haunert
11:00-11:15: Arthur van Goethem, Wouter Meulemans, Andreas Reimer and Bettina Speckmann. Harmonious Simplification of Isolines
11:15-11:30: Ahmad Qutbuddin and KwangSoo Yang. Multiple Resource Network Voronoi Diagram
11:30-11:40: Jakub Nowosad and Tomasz Stepinski. Generalizing the Simple Linear Iterative Clustering (SLIC) superpixels
11:40-12:00: Discussion
Session 3 - MOBILITY
Video
Chair: Martin Raubal
13:15-13:30: Bram Custers, Wouter Meulemans, Bettina Speckmann and Kevin Verbeek. Coordinated Schematization for Visualizing Mobility Patterns on Networks (Candidate for Best-Paper Award)
13:30-13:45: Christina Ludwig, Sven Lautenbach, Eva-Marie Schömann and Alexander Zipf. Comparison of simulated fast and green routes for cyclists and pedestrians
13:45-13:55: Nick Malleson, Hang Nguyen Thi Thuy, Thanh Bui Quang, Minh Kieu, Phe Hoang Huu and Alexis Comber. Urban Data Science for Sustainable Transport Policies in Emerging Economies
13:55-14:15: Discussion
Session 4 - SEARCH AND PLACE
Video
Chair: Clodoveu Davis
14:30-14:40: Mohammad Kazemi Beydokhti, Matt Duckham, Amy Griffin and Vedran Kasalica. Geo-Event Question Answering Systems: A Preliminary Research Study
14:40-14:55: René Unrau and Christian Kray. Enhancing Usability Evaluation of web-based Geographic Information Systems (WebGIS) with Visual Analytics
14:55-15:10: Thomas Hervey, Sara Lafia, and Werner Kuhn. Search Facets and Ranking in Geospatial Dataset Search
15:10-15:30: Discussion
Session 5 - PEOPLE AND PLACES
Video
Chair: Shirly Stephen
15:45-15:55: Anna Dmowska, Tomasz Stepinski and Jakub Nowosad. A pattern-based approach to analysis and visualization of spatio-racial distribution
15:55-16:05: Tomasz Stepinski and Anna Dmowska. Spatially-explicit forecasting of racial change
16:05-16:15: Joseph Tuccillo. An Individual-Centered Approach for Geodemographic Classification
16:15-16:25: Gautam Thakur and Junchuan Fan. MapSpace: POI-based Multi-Scale Global Land Use Modeling
16:25-16:45: Discussion
Session 6 - GEOAI and LEARNING
Video
Chair: Yingjie Hu
17:00-17:15: Xueqing Deng, Yuxin Tian, and Shawn Newsam. Generalizing Deep Models for Overhead Image Segmentation Through Getis-Ord Gi* Pooling
17:15-17:25: Stephen Law, Peter Jeszenszky and Keiji Yano. Examining geographical generalisation of machine learning models in urban analytics through street frontage classification and house price regression
17:25-17:35: Jin Xing and Renee Sieber. Integrating XAI and GeoAI
17:35-17:45: Xuke Hu, Zhiyong Zhou, Kersten Jens, Matti Wiegmann and Friederike Klan. GazPNE2: A general and annotation-free place name extractor for microblogs fusing gazetteers and transformer models
17:45-18:05: Discussion
Session 7 - WAYFINDING & NAVIGATION
Video
Chair: Sabine Timpf
8:30-8:45: Bartosz Mazurkiewicz, Markus Kattenbeck and Ioannis Giannopoulos. Navigating Your Way! Increasing the Freedom of Choice during Wayfinding
8:45-9:00: Isabella Kreller and Bernd Ludwig. User Preferences and the Shortest Path
9:00-9:10: Armand Kapaj, Sara Lanini-Maggi and Sara I. Fabrikant. The influence of landmark visualization style on expert wayfinders’ visual attention during a real-world navigation task
9:10-9:30: Discussion
Session 8 - SPATIAL ANALYTICS
Video
Chair: Jakub Nowosad
9:45-9:55: Takahiro Yoshida, Daisuke Murakami, Hajime Seya, Narumasa Tsutsumida and Tomoki Nakaya. Geographically weighted regression for compositional data: An application to the U.S. household income compositions
9:55-10:05: Alexis Comber, Nick Malleson, Hang Nguyen Thi Thuy, Thanh Bui Quang, Minh Kieu, Hoang Huu Phe and Paul Harris. Multiscale Geographically Weighted Discriminant Analysis
10:05-10:15: Daisuke Murakami, Narumasa Tsutsumida, Takahiro Yoshida, Tomoki Nakaya, Binbin Lu and Paul Harris. Stable geographically weighted Poisson regression for count data
10:15-10:25: Zhan Peng and Ryo Inoue. Specifying multi-scale spatial heterogeneity in the rental housing market: The case of the Tokyo metropolitan area
10:25-10:45: Discussion
Session 9 - TRANSPORTATION
Video
Chair: Anita Graser
11:00-11:15: Timon Behr, Thomas C. van Dijk, Axel Forsch, Jan-Henrik Haunert and Sabine Storandt. Map Matching for Semi-Restricted Trajectories
11:15-11:25: Satabdi Das, Sharmin Ahmed, Summit Haque and Sabir Ismail. Assessing Correlation Between Night-Time Light and Road Infrastructure: An Empirical Study
11:25-11:35: Vincent Franke and Sabine Timpf. Agent-based Line-of-Sight Simulation for safer Crossings
11:35-11:55: Discussion
Session 10 - GRAPHS
Video
Chair: Simon Scheider
13:15-13:30: Peter Rottmann, Anne Driemel, Herman Haverkort, Heiko Röglin and Jan-Henrik Haunert. Bicriteria Aggregation of Polygons via Graph Cuts
13:30-13:45: Sameera Kannangara, Hairuo Xie, Egemen Tanin, Aaron Harwood, and Shanika Karunasekera. Introducing Diversion Graph for Real-Time Spatial Data Analysis with Location Based Social Networks
13:45-13:55: Cheng Fu, Mirco Nanni, Gevorg Yeghikyan and Robert Weibel. Measuring Polycentricity: A Whole Graph Embedding Perspective
13:55-14:15: Discussion
Session 11 - WAYFINDING & NAVIGATION
Video
Chair: Ioannis Giannopoulos
14:30-14:45: Arun Sharma, Xun Tang, Jayant Gupta, Majid Farhadloo, and Shashi Shekhar. Analyzing Trajectory Gaps for Possible Rendezvous: A Summary of Results
14:45-15:00: Fateme Teimouri and Kai-Florian Richter. You Are Not Alone: Path Search Models, Traffic, and Social Costs (Candidate for Best-Paper Award)
15:00-15:10: Sara Lanini-Maggi, Ian Tanner Ruginski and Sara Irina Fabrikant. Improving pedestrians’ spatial learning during landmark-based navigation with auditory emotional cues and narrative
15:10-15:30: Discussion
Session 12 - PRIVACY and ANONYMITY
Video
Chair: Grant McKenzie
15:45-16:00: Fiona Polzin and Ourania Kounadi. Adaptive Voronoi Masking: A method to protect confidential discrete spatial data
16:00-16:15: Jinmeng Rao, Song Gao, Yuhao Kang, and Qunying Huang. LSTM-TrajGAN: A Deep Learning Approach to Trajectory Privacy Protection
16:15-16:25: Jan-Henrik Haunert, Daniel Schmidt and Melanie Schmidt. Anonymization via Clustering of Locations in Road Networks
16:25-16:45: Discussion
Keynote 2
Chair: Judith Verstegen
17:00-17:45: Prof. Katy Boerner. Mapping Scientific Data - YouTube
17:45-18:00: Discussion
Session 13 - APPLICATIONS
Video
Chair: René Westerholt
8:30-8:45: Jamie Scott, Kristin Stock, Fraser Morgan, Brandon Whitehead and David Medyckyj-Scott. Automated Georeferencing of Antarctic Species
8:45-9:00: Sadegh Motallebi, Hairuo Xie, Egemen Tanin, and Kotagiri Ramamohanarao. Traffic Congestion Aware Route Assignment
9:00-9:10: Shahreen Muntaha Nawfee, Andrea Ballatore, Stefano De Sabbata and Nicholas Tate. Spatio-temporal variability in Wikipedia content: The case of Greater London
9:10-9:30: Discussion
Discussion panel
9:45-10:45: Responsible Collection and Analysis of Spatial Data
Panelists:
- Ana Basiri - University of Glasgow
- Grant McKenzie - McGill University
- Dara Seidl - Colorado Mountain College
- Matt Duckham - RMIT University
Session 14 - WAYFINDING & NAVIGATION
Video
Chair: Sara I. Fabrikant
11:00-11:15: Ye Hong, Yanan Xin, Henry Martin, Dominik Bucher and Martin Raubal. A clustering-based framework for individual travel behaviour change detection
11:15-11:30: Negar Alinaghi, Markus Kattenbeck, Antonia Golab and Ioannis Giannopoulos. Will You Take this Turn? Gaze-Based Turning Activity Recognition During Navigation
11:30-11:40: Johannes Scholz and Christoph Url. Eco-friendly Routing based on real-time Air-quality Sensor Data from Vehicles
11:40-12:00: Discussion
Session 15 - URBAN STUDIES
Video
Chair: Anna Dmowska
13:15-13:30: Bartosz Mazurkiewicz, Markus Kattenbeck, Peter Kiefer, and Ioannis Giannopoulos. Not Arbitrary, Systematic! Average-Based Route Selection for Navigation Experiments
13:30-13:40: Zhiyong Zhou, Robert Weibel and Haosheng Huang. Varying salience in indoor landmark selection for familiar and unfamiliar wayfinders: evidence from machine learning and self-reports
13:40-13:55: Jaehee Park, Hao Zhang, Su Yeon Han, Atsushi Nara, and Ming-Hsiang Tsou. Estimating Hourly Population Distribution Patterns at High Spatiotemporal Resolution in Urban Areas Using Geo-Tagged Tweets and Dasymetric Mapping
13:55-14:15: Discussion
Session 16 - MOBILITY
Video
Chair: Johannes Scholz
14:30-14:40: Gregor Donabauer and Bernd Ludwig. Testing Landmark Salience Prediction in Indoor Environments Based on Visual Information
14:40-14:50: Gereon Kaiping. A network for simulating pre-colonial migration in the Americas
14:50-15:00: Eduard Rech and Sabine Timpf. Simulating changing traffic flow caused by new bus route in Augsburg
15:00-15:10: Evgeny Noi, Somayeh Dodge and Alexander Rudolph. A novel method for mapping spatiotemporal structure of mobility patterns during the COVID-19 pandemic
15:10-15:30: Discussion
Session 17 - MOBILE MEASUREMENTS
Video
Chair: Carlos Granell
15:45-16:00: Yingjie Hu and Jimin Wang. How Do People Describe Locations During a Natural Disaster: An Analysis of Tweets from Hurricane Harvey (Candidate for Best-Paper Award)
16:00-16:15: Dominik Bucher, Henry Martin, David Jonietz, Martin Raubal, and René Westerholt. Estimation of Moran’s I in the Context of Uncertain Mobile Sensor Measurements
16:15-16:25: Michael Sinclair, Qunshan Zhao, Nick Bailey, Saeed Maadi and Jinhyun Hong. Understanding the use of greenspace before and during the COVID-19 pandemic by using mobile phone app data
16:25-16:45: Discussion
Session 18 - STATUS OF GISCIENCE
Video
Chair: Zbigniew Zwoliński
17:00-17:15: Frank Ostermann, Daniel Nüst, Carlos Granell, Barbara Hofer and Markus Konkol. Reproducible Research and GIScience: an evaluation using GIScience conference papers (Candidate for Best-Paper Award)
17:15-17:25: Marek Baranowski, Dariusz Gotlib, Jacek Kozak and Zbigniew Zwoliński. GIScience in Poland – Research, Education, Community
17:25-17:35: Amber Peek, Michael Martin and Sophie Kolston. The Virtual Reality of GIScience
17:35-17:45: Jan Oliver Wallgrün, Jiawei Huang, Jiayan Zhao, Benjamin Brede, Alvaro Lau and Alexander Klippel. Embodied digital twins of forest environments
17:45-18:05: Discussion
