OSM Planet: Difference between revisions
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<source lang='bash' highlight='1'> | <source lang='bash' highlight='1'> | ||
sparqlquery -qp osmplanet.yaml -qn | sparqlquery -qp osmplanet.yaml -qn RelationNodes -en osm-sophox --param relid=6843452 -f mediawiki | ||
</source> | </source> | ||
== | == RelationNodes == | ||
=== query === | === query === | ||
<source lang='sparql'> | <source lang='sparql'> | ||
# Get all | # Get all nodes for an OSM relation | ||
PREFIX osmrel: <https://www.openstreetmap.org/relation/> | PREFIX osmrel: <https://www.openstreetmap.org/relation/> | ||
SELECT * | SELECT * | ||
WHERE { | WHERE { | ||
osmrel:6843452 ?p ?o . | osmrel:6843452 ?p ?o . | ||
FILTER(STRSTARTS(STR(?o), "https://www.openstreetmap.org/node/")) | |||
} | } | ||
</source> | </source> | ||
[https://sophox.org | [https://sophox.org/#%23%20Get%20all%20nodes%20for%20an%20OSM%20relation%0APREFIX%20osmrel%3A%20%3Chttps%3A//www.openstreetmap.org/relation/%3E%0ASELECT%20%2A%0AWHERE%20%7B%0A%20%20osmrel%3A6843452%20%3Fp%20%3Fo%20.%0A%20%20FILTER%28STRSTARTS%28STR%28%3Fo%29%2C%20%22https%3A//www.openstreetmap.org/node/%22%29%29%0A%7D%0A try it!] | ||
=== result === | === result === | ||
{| class="wikitable" style="text-align: left;" | {| class="wikitable" style="text-align: left;" | ||
|+ <!-- caption --> | |+ <!-- caption --> | ||
|- | |- | ||
! p | ! p !! o | ||
|- | |- | ||
| https:// | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/29567894 | ||
|- | |- | ||
| https:// | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/29569297 | ||
|- | |- | ||
| https:// | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/1697798338 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/ | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/1981635686 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/5239688223 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/5959602923 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6083777817 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767679673 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767679678 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767679964 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767680441 | ||
|- | |- | ||
| https://www.openstreetmap.org/meta/has | | https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767844278 | ||
|} | |} | ||
== See Also == | == See Also == | ||
Revision as of 08:38, 20 January 2025
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)
result
| p | count |
|---|---|
| https://www.openstreetmap.org/meta/has | 186 |
sparqlquery -qp osmplanet.yaml -qn RelationNodes -en osm-sophox --param relid=6843452 -f mediawiki
RelationNodes
query
# Get all nodes for an OSM relation
PREFIX osmrel: <https://www.openstreetmap.org/relation/>
SELECT *
WHERE {
osmrel:6843452 ?p ?o .
FILTER(STRSTARTS(STR(?o), "https://www.openstreetmap.org/node/"))
}
result