Category: Uncategorized
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The Triangle of Shared Data Sources
Todays data production, maintenance, and use have changed in the last years. While these tasks were reserved to professionals until a few years ago, the situation has changed. This is no different in the geographical domain. Volunteers gather general information in Wikipedia and geographical information in OpenStreetMap. Twitter users provide not only text snippets but…
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MapSwipe for Change Detection Analysis
The Humanitarian OpenStreetMap Team (HOT) , the Heidelberg Institute of Geoinformation Technology (HeiGIT) , and the wider MapSwipe Community started working on an MapSwipe extension to monitor changes in satellite imagery. The goal of the two-month project is to extend the app with new functionalities that would allow the users to compare two satellite images…
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Hiding the Institute of Geography
As each year our institute is again and again hiding in spring behind these beautiful blossoms. But each time this is really ohsome 😉 and amazing! Enjoy!
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Analysing semantic associations in VGI data
Volunteered Geographic Information (VGI) such as OpenStreetMap (OSM) can be a rich resource for many applications. Therefor VGI-projects have to mitigate between the requirements of the the volunteers and the machines. On the one hand, the data format should be simple and general in order to make contributing to the project easy for the volunteers.…
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How can LiDAR data help to understand early Olmec subsistence in Mexico?
From their beginnings some 4,000 years ago to their decadence around 400 b.c., the Olmec people achieved a high level of sociopolitical complexity and dominated their native geographic territory, the southern Gulf Coast of Mexico. The first Olmec capital of San Lorenzo, Veracruz, was the only site in Mesoamerica that produced imposing monumental stone sculpture…
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CfP: Transactions in GIS special issue on “Open Source Geospatial Science, Software and Education”
Special issue information: The last decade has seen a rapid growth in open source geospatial software and data developments. Open geospatial data applies the principles of free and openness to geospatial information, allowing communities to collaborate on a data product. Applying the lessons learned in the open source industry to geo-data collection and maintenance has…
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Recommendations for organising better mapping parties with the aim of improving OpenStreetMap and Wheelmap data completeness
Nowadays, several research projects show interest in employing volunteered geographic information (VGI) to improve their systems through using up-to-date and detailed data. The European project CAP4Access was one of the successful examples of such international-wide research projects that aimed to improve the accessibility of people with restricted mobility using crowdsourced data. In this project, OpenStreetMap…
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QGIS Plugin OSM Tools v3.2 published
We’re pleased to announce the next version of our QGIS plugin to access the most popular functions of openrouteservice. in QGIS. OSM Tools is the only QGIS plugin to access advanced features like dynamic routing, isochrones or origin-destination matrices with a few mouse clicks. You can choose to either use point layers from your QGIS project…
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A grounding-based ontology of data quality measures
Data quality and fitness for purpose can be assessed by data quality measures. Existing ontologies of data quality dimensions reflect, among others, which aspects of data quality are assessed and the mechanisms that lead to poor data quality. An understanding of which source of information is used to judge about data quality and fitness for…
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On the Way to Platial Analysis: Can Geosocial Media Provide the Necessary Impetus? – Proceedings of the First Workshop on Platial Analysis (PLATIAL’18)
The proceedings of the PLATIAL’18 workshop (organized by R Westerholt, F-B Mocnik, and A Zipf) have been published: https://doi.org/10.5281/zenodo.1475269 The concept of “place” is about to become one of the major research themes in the discipline of geographical information science (GIScience), as well as in adjoining fields. Briefly put, while locations provide objective references (e.g.,…
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Mutual Influences of Material and Immaterial Flows. The Case of Traditions at Selected Examples Within Swedish Folk Music Culture
F-B Mocnik presents about mutual influences of material and immaterial flows at the example of tradition at the “Spaces and Flows” conference. Feel welcome to join on 26 October at 10:20 am. Space and time both shape how we disseminate information in the context of tradition. As a result of incorporating knowledge, ideas, and points…
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HeiGIT/GIScience and German Red Cross formalize their partnership through Memorandum of Understanding
We are happy to announce the now also formal cooperation of our GIScience research group and the German Red Cross (GRC)! On October 10th Christof Johnen, Head of International Cooperation at the GRC Headquarters and head of HeiGIT/GIScience Alexander Zipf signed a Memorandum of Understanding to strengthen the strategic partnership to conduct joint activities related…