From data sets to linked data sets in open government data

Helping the machines to understand what the data means, so that they can help us search and cross the data published by our governments.

Open government data 101

The value of the data

Published by humans for humans

The data sets are not linked together.

Machine-readable semantics

Possible RDF graph for a data set
Visualization of a SPARQL query and its results

A national data dictionary

1. Extracting the column headers

2. Defining what sort of data the column contains

The RDF graph of a column.

3. Creating a dictionary

4. Tagging the new data sets and maintaining the dictionary

“We have detected the following columns. What is their meaning?”. The contributor either picks a definition in the list or select Other and writes a new one.

The nirvana of data crossing

Fictitious side pane on data.gouv.fr with a list of “linked data sets”, and the name of the foreign key in green.

To the infinity and beyond

Open Data and Linked Data consultant. Based in Rennes, France.

Open Data and Linked Data consultant. Based in Rennes, France.