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= OSM Planet SPARQL Endpoints =
== Links ==
This page compares the different SPARQL endpoints available for querying OpenStreetMap (OSM) data.
* https://wiki.openstreetmap.org/wiki/Sophox
* https://qlever.cs.uni-freiburg.de/osm
* https://wiki.bitplan.com/index.php?title=OSM_Planet
* https://wiki.openstreetmap.org/wiki/Sophox/Example_queries
* https://wiki.openstreetmap.org/wiki/OpenTripPlanner
 
= OSM Planet SPARQL Queries with pylodstorage query tool  =
 
== Configuration for pylodstorage sparqlquery tool ==
see https://pypi.org/project/pyLodStorage/
=== installation ===
<source lang='bash'>
pip install pylodstorage
</source>
The configuration files need to be in $HOME/.pylodstorage or you have to explicitly give the path with the -ep and -qp options


== Configuration ==
=== endpoints.yaml ===
=== endpoints.yaml ===
<syntaxhighlight lang='yaml'>
<syntaxhighlight lang='yaml'>
Line 8: Line 21:
   endpoint: https://sophox.org/sparql
   endpoint: https://sophox.org/sparql
   website: https://sophox.org
   website: https://sophox.org
   database: virtuoso
   database: blazegraph
   method: POST
   method: POST
   lang: sparql
   lang: sparql
Line 18: Line 31:


osm-qlever:
osm-qlever:
   endpoint: https://qlever.cs.uni-freiburg.de/api/osm
   endpoint: https://qlever.cs.uni-freiburg.de/api/osm-planet
   website: https://qlever.cs.uni-freiburg.de/osm
   website: https://qlever.cs.uni-freiburg.de/osm-planet
   database: qlever
   database: qlever
   method: POST
   method: POST
Line 28: Line 41:
     PREFIX osmm: <https://www.openstreetmap.org/meta/>
     PREFIX osmm: <https://www.openstreetmap.org/meta/>
     PREFIX geo: <http://www.opengis.net/ont/geosparql#>
     PREFIX geo: <http://www.opengis.net/ont/geosparql#>
    PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
    PREFIX osmway: <https://www.openstreetmap.org/way/>
</syntaxhighlight>
</syntaxhighlight>


=== osmplanet.yaml ===
=== osmplanet.yaml (or queries.yaml as default) ===
<syntaxhighlight lang='yaml'>
<syntaxhighlight lang='yaml'>
RelationStats:
# OSMPlanet Query Examples
  endpoint: osm-qlever
# Wolfgang Fahl
# 2025-01-20
#
# SPARQL queries for exploring OpenStreetMap data via:
# - https://sophox.org/sparql (Sophox endpoint)
# - https://qlever.cs.uni-freiburg.de/osm (Qlever endpoint)
#
# See also:
# - https://www.openstreetmap.org/
# - https://wiki.bitplan.com/index.php?title=OSM_Planet
#
# Motivation: Explore OSM relations and their predicates/objects to analyze
# connectivity and relationships between OSM entities
'RelationStats':
param_list:
  - name: relid
    type: str
    default_value: "6843452"
sparql: |
  # Get statistics about predicates used in an OSM relation
  PREFIX osmrel: <https://www.openstreetmap.org/relation/>
  SELECT ?p (COUNT(?o) as ?count)
  WHERE {
    osmrel:{{relid}} ?p ?o .
  }
  GROUP BY ?p
  HAVING (?count > 1)
  ORDER BY DESC(?count)
'RelationNodes':
# Get all nodes for a given OSM relation relid e.g. Renfe R16019
   param_list:
   param_list:
     - name: relid
     - name: relid
Line 39: Line 83:
       default_value: "6843452"
       default_value: "6843452"
   sparql: |
   sparql: |
     # Get statistics about predicates used in an OSM relation  
     PREFIX osmrel: <https://www.openstreetmap.org/relation/>
     SELECT ?p (COUNT(?o) as ?count)
     SELECT ?p ?o (STR(?label) as ?plabel)
     WHERE {
     WHERE {
       osmrel:{{relid}} ?p ?o .
       osmrel:{{relid}} ?p ?o .
      FILTER(STRSTARTS(STR(?o), "https://www.openstreetmap.org/node/"))
    }
'RelationNodesGeo':
  # get geometry data for relation elements with a given role including lat/lon filtering
  param_list:
    - name: relid
      type: str
      default_value: "10492086"
    - name: role
      type: str
      default_value: "stop"
    - name: min_lat
      type: float
      default_value: 36.00
    - name: max_lat
      type: float
      default_value: 44.00
    - name: min_lon
      type: float
      default_value: -9.00
    - name: max_lon
      type: float
      default_value: 4.00
  sparql: |
    PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
    PREFIX geo: <http://www.opengis.net/ont/geosparql#>
    PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    PREFIX osmkey: <https://www.openstreetmap.org/wiki/Key:>
    PREFIX geof: <http://www.opengis.net/def/function/geosparql/>
    SELECT
      ?rel_name
      ?rel
      ?rel_pos
      ?member
      ?node
      ?node_name
      ?node_ref
      ?role
      ?lat
      ?lon
    WHERE {
      VALUES (?rel ?role ?minlat ?maxlat ?minlon ?maxlon) {
        (osmrel:{{relid}} "{{role}}" {{min_lat}} {{max_lat}} {{min_lon}} {{max_lon}})
      }
      ?rel osmkey:ref ?rel_name .
      ?rel osmrel:member ?member .
      ?member osm2rdfmember:pos ?rel_pos .
      ?member osm2rdfmember:role ?role .
      ?member osm2rdfmember:id ?node .
      OPTIONAL { ?node osmkey:name ?node_name}.
      OPTIONAL { ?node osmkey:ref ?node_ref}.
      ?node geo:hasGeometry/geo:asWKT ?loc .
      BIND(geof:latitude(?loc) AS ?lat)
      BIND(geof:longitude(?loc) AS ?lon)
      FILTER (?lat > ?minlat && ?lat < ?maxlat && ?lon > ?minlon && ?lon < ?maxlon)
    }
    ORDER BY ?rel_pos
'RelationRoleHistogram':
  # Get a histogram of roles for a given OSM relation
  param_list:
    - name: relid
      type: str
      default_value: "10492086"
  sparql: |
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
    SELECT ?role (COUNT(?member) as ?count)
    WHERE {
      osmrel:{{relid}} osmrel:member ?member .
      ?member osm2rdfmember:role ?role .
     }
     }
     GROUP BY ?p
     GROUP BY ?role
    HAVING (?count > 1)
     ORDER BY DESC(?count)
     ORDER BY DESC(?count)
</syntaxhighlight>
</syntaxhighlight>
=== test ===
<source lang='bash' highlight='1'>
sparqlquery -en qlever-osm  -qp osmplanet.yaml --list
RelationStats:RelationStats
RelationNodes:RelationNodes
RelationNodesGeo:RelationNodesGeo
RelationRoleHistogram:RelationRoleHistogram
</source>
= Sophox Example Queries =
== RouteTypeHistogram ==
<source lang='bash' highlight='1'>
sparqlquery  -qp osmplanet.yaml -en osm-sophox -p -qn RouteTypeHistogram --limit 10 --format mediawiki
</source>
=== query ===
<source lang='sparql'>
SELECT
  ?route_type (COUNT(?route_type) AS ?count)
WHERE {
  ?route
  osmt:type "route";
  osmt:route ?route_type;
  osmm:type "r";
  osmt:ref ?ref;
}
GROUP BY ?route_type
ORDER BY DESC(?count)
</source>
[https://sophox.org/#SELECT%0A%20%20%3Froute_type%20%28COUNT%28%3Froute_type%29%20AS%20%3Fcount%29%0AWHERE%20%7B%0A%20%20%20%3Froute%0A%20%20%20osmt%3Atype%20%22route%22%3B%0A%20%20%20osmt%3Aroute%20%3Froute_type%3B%0A%20%20%20osmm%3Atype%20%22r%22%3B%0A%20%20%20osmt%3Aref%20%3Fref%3B%0A%7D%0AGROUP%20BY%20%3Froute_type%0AORDER%20BY%20DESC%28%3Fcount%29%0A try it!]
=== result ===
{| class="wikitable" style="text-align: left;"
|+ <!-- caption -->
|-
! route_type  !! align="right"|  count
|-
| bus          || align="right"|  286484
|-
| road        || align="right"|  242360
|-
| hiking      || align="right"|  106522
|-
| bicycle      || align="right"|  71364
|-
| foot        || align="right"|  49011
|-
| train        || align="right"|  13673
|-
| mtb          || align="right"|    8649
|-
| power        || align="right"|    5660
|-
| railway      || align="right"|    5239
|-
| tram        || align="right"|    4739
|}
<source lang='bash' highlight='1'>
sparqlquery -qp osmplanet.yaml -qn RelationStats -en osm-sophox --param relid=6843452 -f mediawiki
</source>
== RelationStats ==
=== query ===
<source lang='sparql'>
# 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)
</source>
[https://sophox.org?query=%23%20Get%20statistics%20about%20predicates%20used%20in%20an%20OSM%20relation%0APREFIX%20osmrel%3A%20%3Chttps%3A//www.openstreetmap.org/relation/%3E%0ASELECT%20%3Fp%20%28COUNT%28%3Fo%29%20as%20%3Fcount%29%0AWHERE%20%7B%0A%20%20osmrel%3A6843452%20%3Fp%20%3Fo%20.%0A%7D%0AGROUP%20BY%20%3Fp%0AHAVING%20%28%3Fcount%20%3E%201%29%0AORDER%20BY%20DESC%28%3Fcount%29%0A try it!]
=== result ===
{| class="wikitable" style="text-align: left;"
|+ <!-- caption -->
|-
! p                                      !! align="right"|  count
|-
| https://www.openstreetmap.org/meta/has || align="right"|    186
|}
<source lang='bash' highlight='1'>
sparqlquery -qp osmplanet.yaml -qn RelationNodes -en osm-sophox --param relid=6843452  -f mediawiki
</source>
== RelationNodes ==
=== query ===
<source lang='sparql'>
# 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/"))
}
</source>
[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 ===
{| class="wikitable" style="text-align: left;"
|+ <!-- caption -->
|-
! p                                      !! o
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/29567894
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/29569297
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/1697798338
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/1981635686
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/5239688223
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/5959602923
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6083777817
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767679673
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767679678
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767679964
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767680441
|-
| https://www.openstreetmap.org/meta/has || https://www.openstreetmap.org/node/6767844278
|}
= QLever example queries =
<source lang='bash' highighlight='1'>
sparqlquery -qp osmplanet.yaml -en osm-qlever -p -qn RelationRoleHistogram -f mediawiki --param relid=10492086
</source>
== RelationRoleHistogram ==


== Query Results ==
=== query ===
=== Qlever Results ===
<source lang='sparql'>
{{sparqlquery -qp osmplanet.yaml -qn RelationStats -en osm-qlever --param relid=6843452 -f mediawiki}}
PREFIX osmrel: <https://www.openstreetmap.org/relation/>
PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
SELECT ?role (COUNT(?member) as ?count)
WHERE {
  osmrel:10492086 osmrel:member ?member .
  ?member osm2rdfmember:role ?role .
}
GROUP BY ?role
ORDER BY DESC(?count)


=== Sophox Results ===
</source>
{{sparqlquery -qp osmplanet.yaml -qn RelationStats -en osm-sophox --param relid=6843452 -f mediawiki}}


== See Also ==
[https://qlever.cs.uni-freiburg.de/osm-planet?query=PREFIX%20osmrel%3A%20%3Chttps%3A//www.openstreetmap.org/relation/%3E%0APREFIX%20osm2rdfmember%3A%20%3Chttps%3A//osm2rdf.cs.uni-freiburg.de/rdf/member%23%3E%0ASELECT%20%3Frole%20%28COUNT%28%3Fmember%29%20as%20%3Fcount%29%0AWHERE%20%7B%0A%20%20osmrel%3A10492086%20osmrel%3Amember%20%3Fmember%20.%0A%20%20%3Fmember%20osm2rdfmember%3Arole%20%3Frole%20.%0A%7D%0AGROUP%20BY%20%3Frole%0AORDER%20BY%20DESC%28%3Fcount%29%0A try it!]
* [https://wiki.openstreetmap.org/wiki/Sophox Sophox]
=== result ===
* [https://qlever.cs.uni-freiburg.de/osm Qlever OSM]
{| class="wikitable" style="text-align: left;"
* [https://wiki.bitplan.com/index.php?title=OSM_Planet OSM Planet]
|+ <!-- caption -->
|-
! role    !! align="right"|  count
|-
| member  || align="right"|    624
|-
| platform || align="right"|      31
|-
| stop    || align="right"|      26
|}

Latest revision as of 20:06, 20 January 2025

Links

OSM Planet SPARQL Queries with pylodstorage query tool

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: blazegraph
  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-planet
  website: https://qlever.cs.uni-freiburg.de/osm-planet
  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#>
    PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
    PREFIX osmway: <https://www.openstreetmap.org/way/>

osmplanet.yaml (or queries.yaml as default)

# OSMPlanet Query Examples
# Wolfgang Fahl
# 2025-01-20
#
# SPARQL queries for exploring OpenStreetMap data via:
# - https://sophox.org/sparql (Sophox endpoint)
# - https://qlever.cs.uni-freiburg.de/osm (Qlever endpoint)
#
# See also:
# - https://www.openstreetmap.org/
# - https://wiki.bitplan.com/index.php?title=OSM_Planet
#
# Motivation: Explore OSM relations and their predicates/objects to analyze
# connectivity and relationships between OSM entities
'RelationStats':
 param_list:
   - name: relid
     type: str
     default_value: "6843452"
 sparql: |
   # Get statistics about predicates used in an OSM relation
   PREFIX osmrel: <https://www.openstreetmap.org/relation/>
   SELECT ?p (COUNT(?o) as ?count)
   WHERE {
     osmrel:{{relid}} ?p ?o .
   }
   GROUP BY ?p
   HAVING (?count > 1)
   ORDER BY DESC(?count)
'RelationNodes':
# Get all nodes for a given OSM relation relid e.g. Renfe R16019
  param_list:
    - name: relid
      type: str
      default_value: "6843452"
  sparql: |
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    SELECT ?p ?o (STR(?label) as ?plabel)
    WHERE {
      osmrel:{{relid}} ?p ?o .
      FILTER(STRSTARTS(STR(?o), "https://www.openstreetmap.org/node/"))
    }
'RelationNodesGeo':
  # get geometry data for relation elements with a given role including lat/lon filtering
  param_list:
    - name: relid
      type: str
      default_value: "10492086"
    - name: role
      type: str
      default_value: "stop"
    - name: min_lat
      type: float
      default_value: 36.00
    - name: max_lat
      type: float
      default_value: 44.00
    - name: min_lon
      type: float
      default_value: -9.00
    - name: max_lon
      type: float
      default_value: 4.00
  sparql: |
    PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
    PREFIX geo: <http://www.opengis.net/ont/geosparql#>
    PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    PREFIX osmkey: <https://www.openstreetmap.org/wiki/Key:>
    PREFIX geof: <http://www.opengis.net/def/function/geosparql/>
    SELECT
      ?rel_name
      ?rel
      ?rel_pos
      ?member
      ?node
      ?node_name
      ?node_ref
      ?role
      ?lat
      ?lon
    WHERE {
      VALUES (?rel ?role ?minlat ?maxlat ?minlon ?maxlon) {
        (osmrel:{{relid}} "{{role}}" {{min_lat}} {{max_lat}} {{min_lon}} {{max_lon}})
      }
      ?rel osmkey:ref ?rel_name .
      ?rel osmrel:member ?member .
      ?member osm2rdfmember:pos ?rel_pos .
      ?member osm2rdfmember:role ?role .
      ?member osm2rdfmember:id ?node .
      OPTIONAL { ?node osmkey:name ?node_name}.
      OPTIONAL { ?node osmkey:ref ?node_ref}.
      ?node geo:hasGeometry/geo:asWKT ?loc .
      BIND(geof:latitude(?loc) AS ?lat)
      BIND(geof:longitude(?loc) AS ?lon)
      FILTER (?lat > ?minlat && ?lat < ?maxlat && ?lon > ?minlon && ?lon < ?maxlon)
    }
    ORDER BY ?rel_pos
'RelationRoleHistogram':
  # Get a histogram of roles for a given OSM relation
  param_list:
    - name: relid
      type: str
      default_value: "10492086"
  sparql: |
    PREFIX osmrel: <https://www.openstreetmap.org/relation/>
    PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
    SELECT ?role (COUNT(?member) as ?count)
    WHERE {
      osmrel:{{relid}} osmrel:member ?member .
      ?member osm2rdfmember:role ?role .
    }
    GROUP BY ?role
    ORDER BY DESC(?count)

test

sparqlquery -en qlever-osm  -qp osmplanet.yaml --list
RelationStats:RelationStats
RelationNodes:RelationNodes
RelationNodesGeo:RelationNodesGeo
RelationRoleHistogram:RelationRoleHistogram

Sophox Example Queries

RouteTypeHistogram

sparqlquery  -qp osmplanet.yaml -en osm-sophox -p -qn RouteTypeHistogram --limit 10 --format mediawiki

query

SELECT
  ?route_type (COUNT(?route_type) AS ?count)
WHERE {
   ?route
   osmt:type "route";
   osmt:route ?route_type;
   osmm:type "r";
   osmt:ref ?ref;
}
GROUP BY ?route_type
ORDER BY DESC(?count)

try it!

result

route_type count
bus 286484
road 242360
hiking 106522
bicycle 71364
foot 49011
train 13673
mtb 8649
power 5660
railway 5239
tram 4739 
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 
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/"))
}

try it!

result

p o
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/29567894
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/29569297
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/1697798338
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/1981635686
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/5239688223
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/5959602923
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/6083777817
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/6767679673
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/6767679678
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/6767679964
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/6767680441
https://www.openstreetmap.org/meta/has https://www.openstreetmap.org/node/6767844278

QLever example queries

sparqlquery -qp osmplanet.yaml -en osm-qlever -p -qn RelationRoleHistogram -f mediawiki --param relid=10492086

RelationRoleHistogram

query

PREFIX osmrel: <https://www.openstreetmap.org/relation/>
PREFIX osm2rdfmember: <https://osm2rdf.cs.uni-freiburg.de/rdf/member#>
SELECT ?role (COUNT(?member) as ?count)
WHERE {
  osmrel:10492086 osmrel:member ?member .
  ?member osm2rdfmember:role ?role .
}
GROUP BY ?role
ORDER BY DESC(?count)

try it!

result

role count
member 624
platform 31
stop 26
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