Category: Data

29 November 2017

Cluster bike sharing stations around french cities

Oslandia team is involved in a constant effort in geospatial data gathering and analysis. By taking advantage of the recent trend in public open data releasing, and after reading an inspiring work done for Dublin data, we decided to evaluate the situation in our own living places. Here comes the open data portals for both
25 October 2017

Detecting objects starting from street-scene images

Exploiting artificial intelligence within the geospatial data context tends to be easier and easier thanks to emerging deep learning techniques. Neural networks take indeed various kinds of designs, and cope with a wide range of applications. At Oslandia we bet that these techniques will have an added-value in our daily activity, as data is of
14 August 2017

OSM data quality assessment: producing map to illustrate data quality

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. Here comes the eighth article of this series, dedicated to the OSM data quality evaluation, through production of new maps. 1 Description of OSM element
6 August 2017

OSM user classification: let’s use machine learning!

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. Here comes the seventh article of this series, dedicated to user classification using the power of machine learning algorithms. 1 Develop a Principle Component Analysis
31 July 2017

OSM user classification: the unavoidable metadata normalization

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. Here comes the sixth article of this series, dedicated to user metadata normalization. 1 Let’s remind the user metadata After the previous blog post, we
24 July 2017

OSM metadata description: the data behind the data

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. Here comes the fifth article of this series, dedicated to the extraction of OSM metadata starting from the OSM history data. 1 Extract OSM data
10 July 2017

OpenStreetMap tag genome: how are OSM objects tagged?

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with OpenStreetMap (OSM) and the subsequent data. We saw in the previous post how to parse OSM elements and integrate them into a data-oriented structure. Here comes the fourth article of this series,
3 July 2017

OpenStreetMap data analysis: how to parse the data with Python?

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with OpenStreetMap (OSM) and the subsequent data. After considering geospatial data quality definition in previous blog post, here comes the third article of this series, dedicated to the chronological overview of OSM data.
26 June 2017

OpenStreetMap Data Presentation: Which Data, How to Get Them?

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. After a first blog post focused on our working framework, here comes the second article of this series, dedicated to the presentation of OSM data
19 June 2017

OpenStreetMap data analysis: how to handle it?

At Oslandia, we like working with Open Source tool projects and handling Open (geospatial) Data. In this article series, we will play with the OpenStreetMap (OSM) map and subsequent data. Here comes the first article of this series, dedicated to the presentation of our working framework. Python is your friend, Luigi your plumber In this