Table of Contents
| 1. Five decades of activities of the Polish Association for Spatial Information under Professor Jerzy Gaździcki’s leadership | ||
| Marek Baranowski, Ewa Musiał | 7–25 | |
| 2. Segmentation of an image of a magnetic anomaly map for detection and location of ferromagnetic underwater objects | ||
| Izabela Bodus-Olkowska, Janusz Uriasz | 27–40 | |
| 3. Aggregate function in spatial multicriteria analysis of natural processes | ||
| Joanna Jaroszewicz, Katarzyna Rędzińska | 41–57 | |
| 4. River information services in terms of spatial data infrastructure | ||
| Witold Kazimierski, Marta Onichowska | 59–71 | |
| 5. Overview of the tasks of local government units in terms of their execution capabilities using VGI data from the OpenStreetMap project | ||
| Sylwia Krzysztofowicz | 73–86 | |
| 6. Analysis of the possibility of using the IFC model to describe infrastructural objects on selected examples | ||
| Michał Wyszomirski, Andrzej Szymon Borkowski | 87–99 | |