Conceptual compliance measures to what degree contributors of volunteered geographic information (VGI) are using proposed tagging-standards. Here, we look into OpenStreetMap (OSM) as the most well-known example for VGI. In OSM the most important tagging guideline is defined by its wiki. In addtion, OSM editors like iD or JOSM provide presets (default options to adhere to tagging standards).
This [...]
Tag Archive 'OSM History Analytics'
Explore the ohsome OSM History of whole Germany
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 [...]
Analyse HOT Tasking Manager Projects with the ohsome API
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 [...]
Meet us at State of the Map 2018 Milan: Ohsome talks and workshop ahead!
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 [...]
HeiGIT/GIScience@FOSS4G 2018
Posted in Events, OSM, Research, Services, Software, VGI Group on Jul 16th, 2018
FOSS4G 2018 is only 42 days away and we are excited to present our Openrouteservice for Disaster Management there. Furthermore, we will provide insights on the potential of the ohsome platform for the HOT community. Check out the program for further details.
We hope to see you in Dar es Salaam, Tanzania, August 27 - 31th, [...]
Meet us in Salzburg at the AGIT30 conference and get to know the ohsome platform, that has been introduced recently! Our colleague Fabian Kowatsch will give a talk on Thursday, July 5th:
M. Auer, M. Eckle, S. Fendrich, F. Kowatsch, L. Loos, S. Marx, M. Raifert, M. Schott, R. Troilo, A. Zipf. Ohsome – eine Plattform [...]
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 [...]