The exploration of the history of OpenStreetMap data presents an important step to uncover semantic connections, regions of interest and their contiguity in time and space at varying scales. Therefore, the HeiGIT Big Spatial Data Analytics team presents a first beta version of the new OpenStreetMap History eXplorer (ohsomeHeX). It resembles the idea of the OSMatrix¹, [...]
Tag Archive 'OSM History Analytics'
This is your first blog of the ohsome series? Before you might be confronted with any potential spoilers, you should better check out the first and the second part of this blog series (or the intro to the idea and general architecture) to be on the safe side and up to date with the current content.
So here [...]
HeiGIT members Melanie Eckle and Martin Hilljegerdes were invited to the “Digital in civil protection” congress of the Landesverband Westfalen-Lippe in Münster to share insights and to present current activities all around “Potentials of Open Data and Digital Humanitarians for civil protection“. They shared experiences and impacts of the collaborative efforts of the Missing Maps [...]
Welcome back to the second part of the blog series how to become ohsome. If you have not read the first part yet, better go and check it out now. It explains how you can create an ohsome visualization of the historical development of the OSM data from a city of your choice.
This second part shows how to use [...]
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 [...]
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 [...]
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 [...]