Linked Open Geo Boundaries
for Adaptive Delineation of Functional Urban Areas
3rd International Workshop on Geospatial Linked Data, ESWC 2018
Functional Urban Areas (FUAs)
defined by OECD in collaboration with EC/Eurostat
consider factors beyond the predefined city boundaries to better reflect the economic geography of where people live and work
- environment (CO2 emissions and air pollution)
- labour market (employment and unemployment growth)
- innovation (patent intensity)
- urban form and territorial organization
OECD Metropolitan eXplorer: http://measuringurban.oecd.org
Spatial data often has a temporal component; things move, and boundaries change over time.
Even though using FUAs to measure metropolitan areas provides a basis for an agreed definition of urban areas, to support the design of better policies for different types of urban areas, one needs to weight some factors more than others or use additional factors, which are not predefined in the current OECD methodology.
The OCED data (for both shapefiles and methodology) are not FAIR-enough to reproduce the predefined FUAs.
Building a Linked Open Data Space for Flexible Delineation of Geographic Areas
Step 1: Data Discovery & Collection
Database of Global Administrative Areas (GADM)
Flickr Shapefiles Dataset
Published Shapefiles for Individual Countries
Published Geospatial RDF Datasets
Open Geo Boundaries
Open Geo Boundaries: Example
Step 2: Data Extraction & Conversion
Metadata for Geo Boundaries
Step 3: DATA STORAGE & QUERYING
Virtuoso Geo Spatial Geometry as internal representation for Geo-data in RDF
Query on metadata about the administrative boundaries
Find the alignment between levels in different datasets
Check the overlaps of areas at the similar level, and for the matching areas apply string matching to make sure that they refer to the same administrative boundary
Step 5: Data to Service
Types of Geo Services
Find administrative boundaries containing a given point (e.g. PointToOSMAdmin).
Find details of a given administrative boundary (e.g. OSMAdmin).
Find (multi-)polygon shapes of a given administrative boundary (e.g. OSMAdminToPolygon).
Find FUAs related to a given administrative boundary(e.g. BoundaryToOECDFUA) or a given point (e.g. PointToOECDFUA). In case of adaptive FUAs, for a given indicator, the service will return its corresponding FUA.
Service to Application
Google Spreadsheet Adds-on
Geo-enrichment User Interface
Geo-enrichment User Interface
Investigating the effect of regional socio-economic properties of innovative activities, as stimulated by recent RTD policies in the Netherlands.
- In this work, we employed Linked Data technologies to establish an open data space to more flexibly delineate FUAs by intergrating spatial and non-spatial data from the openly available data sources on the Web.
- As future work, we envisage to analyze the quality of the interlinked data by applying the services to several real-world scenarios.