News of Heidelberg University’s GIScience Research Group.
Posted in OSM, Services, Software, VGI Group on Dec 17th, 2018
In a previous blog post we performed a conceptual compliance analysis between OSM data and several tagging-guidelines using the OSHDB API. The results were visualized in a line chart, comparing the different compliance ratio over several months. The following analysis focuses on a spatial representation of the conceptual compliance. It is [...]
This blog post is the start of a series of posts, which describe what you are able to do using the ohsome framework developed at the Heidelberg Institute of Geoinformation Technology (HeiGIT). OpenStreetMap (OSM), the biggest open map of our world, offers not only the current state of the data, but the whole historical evolution [...]
After the successful GeOnG conference 2018 in chambery we want to thank the organizers and all participants. We contributed in several ways, as already highlighed in our previous blogpost. Now, we also want to share our slides and workshop material with everyone interested.
Round table discussion:
Machine Learning, AI & satellite imagery: what impact on humanitarian mapping: [...]
Posted in OSM, Services, Software, Teaching on Oct 10th, 2018
Our new ohsome dashboard is another preview on what is and will be possible with our ohsome OpenStreetMap history analytics platform. Behind the scenes, we added support for the Apache Ignite big data framework and deployed an instance using the full OSM history data of whole Germany on Heidelberg University’s cloud computing infrastructure heiCLOUD. Apache Ignite is an open-source [...]
Posted in Events, Uncategorized, VGI Group on Sep 14th, 2018
As previously announced, Sabrina Marx and Melanie Eckle recently visited Dar es Salaam to attend the Missing Maps Members Gathering and to join the FOSS4G and HOT Summit community for their joint annual gatherings.
The Missing Maps Members Gathering was the first side event of the conference week. Likewise to previous years, the Missing Maps members [...]
Posted in OSM, Research, Services, VGI Group on Sep 5th, 2018
Have a look at our new Jupyter notebook which provides a step-by-step introduction how to use the ohsome API. We show you how to analyse the OSM mapping efforts related to a HOT Tasking Manager project in Nepal. The analyzed project 1008 “Nepal Earthquake, 2015, IDP Camps in Kathmandu” was created by Kathmandu Living Labs [...]
In a previous blog post we introduced the REST-based interface of our framework Ohsome (the OpenStreetmap History Analytics plattform) and gave an example link of a request. This blog post aims to give you some further information about the documentation of the ohsome API.
We use the Springfox Java library to create a Swagger documentation. The result can [...]
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 [...]
Posted in Events, OSM, Publications, Research, Services, Software on Jul 24th, 2018
In a few days - THIS Saturday July, 29. - the State of the Map 2018 Conference in Milan will opening its doors with many interesting talks and workshops related to OpenStreetMap. HeiGIT and the GIScience Research Group at Heidelberg University will be there with several persons and give the following presentations and even a [...]
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), [...]