OSM Planet

OSM Planet SPARQL Endpoints

This page compares the different SPARQL endpoints available for querying OpenStreetMap (OSM) data.

Configuration for pylodstorage sparqlquery tool

see https://pypi.org/project/pyLodStorage/

installation

pip install pylodstorage

The configuration files need to be in $HOME/.pylodstorage or you have to explicitly give the path with the -ep and -qp options

endpoints.yaml

osm-sophox:
  endpoint: https://sophox.org/sparql
  website: https://sophox.org
  database: virtuoso
  method: POST
  lang: sparql
  prefixes: |
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    PREFIX osmt: <https://wiki.openstreetmap.org/wiki/Key:>
    PREFIX osmm: <https://www.openstreetmap.org/meta/>
    PREFIX geo: <http://www.opengis.net/ont/geosparql#>

osm-qlever:
  endpoint: https://qlever.cs.uni-freiburg.de/api/osm
  website: https://qlever.cs.uni-freiburg.de/osm
  database: qlever
  method: POST
  lang: sparql
  prefixes: |
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    PREFIX osmt: <https://wiki.openstreetmap.org/wiki/Key:>
    PREFIX osmm: <https://www.openstreetmap.org/meta/>
    PREFIX geo: <http://www.opengis.net/ont/geosparql#>

osmplanet.yaml (or queries.yaml as default)

RelationStats:
  endpoint: osm-qlever
  param_list:
    - name: relid
      type: str
      default_value: "6843452"
  sparql: |
    # Get statistics about predicates used in an OSM relation 
    SELECT ?p (COUNT(?o) as ?count)
    WHERE {
      osmrel:{{relid}} ?p ?o .
    }
    GROUP BY ?p
    HAVING (?count > 1)
    ORDER BY DESC(?count)

Query Results

Sophox Queries

sparqlquery -qp osmplanet.yaml -qn RelationStats -en osm-sophox --param relid=6843452 -f mediawiki

RelationStats

query

# Get statistics about predicates used in an OSM relation
PREFIX osmrel: <https://www.openstreetmap.org/relation/>
SELECT ?p (COUNT(?o) as ?count)
WHERE {
  osmrel:6843452 ?p ?o .
}
GROUP BY ?p
HAVING (?count > 1)
ORDER BY DESC(?count)

try it!

result

p	count
https://www.openstreetmap.org/meta/has	186

See Also

• Sophox
• Qlever OSM
• OSM Planet