Geography Reference
In-Depth Information
Interlinking Opensource Geo-Spatial
Datasets for Optimal Utility in Ranking
D. Bhattacharya, P. Pasquali, J. Komarkova, P. Sedlak, A. Saha,
and P. Boccardo
Introduction
There is a huge amount of digital geospatial data available freely over the internet
from various agencies, groups, consortiums and companies (
OpenStreetMap
data
;
Natural Earth data
;
GEONAMES
;
OSM Place-ranks
;
Ashton
). These data
can be downloaded raw, as graphical maps and images, as well as geospatially
organized database tables. Some examples are Open Street Map (OSM), Natural
Earth (NE), GeoNames database, Global Administrative Unit Layers (GAUL),
Database of Global Administrative Areas (GADM), Second Administrative
Level Boundaries dataset (SALB), not to forget geospatial projects by corpo-
rations like Google, Microsoft etc. The utilization of such large sized databases is
mostly towards enhanced decision making and generating as much informative a
map as possible (
OpenStreetMap data
;
Natural Earth data
;
GEONAMES
;
OSM
Place-ranks
;
Ashton
). Bodies such as Open Geospatial Consortium (OGC) and
