At the recent EuroGEOSS Workshop in Geneva, LandSense researchers from IIASA and Heidelberg University hosted an interactive mapping session to showcase the power of crowdsourcing for map validations as announced earlier.
Using the openly available Land Cover Validation Platform (LACO-Wiki), participants collaboratively validated a land use and land cover map of Geneva, which brings together data from [...]
Tag Archive 'data quality'
7th International Conference on Cartography & GIS
Posted in Digital Earth, Events, OSM, Research, VGI Group on Sep 25th, 2018
The 7th International Conference on Cartography & GIS took place at Sozopol (Bulgaria) 18-23 June 2018.
It was organized by Bulgarian Cartographic Association, International Cartographic Association and University of Architecture, Civil Engineering and Geodesy (UACEG), Sofia and co-organizers - Military Geographic Service, Bulgaria, and Bulgarian Red Cross. The main topics of the conference were:
GIS Technologies and [...]
Join us on Thursday 13th September 2018 at the EuroGEOSS Workshop in Geneva for the validation mapathon of OSMlanduse.org Sentinel-2 landuse fusion map. Have an exclusive first peek at the EU wide OSMlanduse Sentinel-2 landuse fusion map, a result of millions of OSM contributions and the Sentinel-2 archive remote sensing data.
The event is a prequel to [...]
Today & tomorrow GIScience Heidelberg Talks in Africa and Australia
Posted in Events, Publications, Research, Services on Aug 29th, 2018
This Wednesday and Thursday we have presentations from the GIScience research group Heidelberg on two remote contintents - both in Africa and in Australia:
On Wednesday: First down under at GIScience Melbourne in Australia Rene Westerholt will present the work related to our PLATIAL18 workshop:
Westerholt, R., Gröbe, M., Zipf, A. and Burghardt, D. (2018): Towards the statistical analysis and [...]
GIScience Heidelberg @ GIScience Melbourne
Posted in Publications, Research on Aug 28th, 2018
Two papers from GIScience Heidelberg have been contributed to and accepted for the 10th International GIScience Conference 2018 in Melbourne, Australia. They will be presented on Wednesday and Thursday respectively. Looking forward to a fruitful discussion!
Westerholt, R., Gröbe, M., Zipf, A. and Burghardt, D. (2018): Towards the statistical analysis and visualization of places. 10th International [...]
AGIT30 was ohsome (and awesome)
Posted in Events, OSM, Publications, Software on Jul 12th, 2018
Members of the HeiGIT team were presenting parts of our work at this years AGIT/GI_Forum conference in Salzburg, Austria (as already announced in a previous blogpost).
Julian Bruns was presenting the results of a joint work with the KIT and his old employer, the FZI, which is published in the GI-Forum journal (English conference running in parallel to the AGIT), [...]
A new infrastructure for exploring and analyzing OpenStreetMap
Posted in External Projects, OSM, Publications, Research, Software, VGI Group on Jul 7th, 2018
Ever wondered how you can generate/use some meta-information about OpenStreetMap for your project? Are you interested in visualizing different aspects of OpenStreetMap data?
In the article below, we present a server infrastructure to collect and process data about different aspects of OpenStreetMap. The resulting data are offered publicly in a common container format, which fosters the [...]
Ohsome for Street Network Analysis and Disaster Activation Monitoring
Posted in OSM, Publications, Research, Services, Software, VGI Group on May 29th, 2018
Disaster mapping activations that are supported by many volunteers with various levels of experience raise questions related to the quality of the provided Volunteered Geographic Information. Learning about the data quality that can be expected in a disaster activation helps to evaluate the quality and fitness for purpose of the OSM data.
At the ISCRAM 2018 [...]
The Ohsome Nepal Dashboard has new features to enhance its usability and functionality. The user can now easily select administrative areas of interest through a new map interface. Different administrative levels can be selected by zooming in and out and afterwards just clicking or tapping on that specific region. This convenience feature makes it much faster [...]
Ohsome - a high level architectural overview of the OSM History Analytics platform
Posted in OSM on May 18th, 2018
Recently we introduced the ohsome platform for OSM History Analytics. Now we want to give you a high-level overview of the ohsome platform and the components it consists of.
Ohsome API
The ohsome platform is based on a three-layers API architecture, where the flexibility, as well as the usage-complexity are increasing going from the top to [...]