sample_queries.txt

# Lat & Long
# Counting
SELECT COUNT(DISTINCT ?place) WHERE {
{
	?place geo:lat ?lat .
	?place geo:long ?lon .
}
}
# Query
SELECT DISTINCT ?place SAMPLE(?lat) AS ?lat SAMPLE(?lon) AS ?lon WHERE {
{
	?place geo:lat ?lat .
	?place geo:long ?lon .
} GROUP BY ?place


# LatD & LongD
# Counting
SELECT COUNT(DISTINCT ?place) WHERE {
	{
		?place dbp:latd ?lat .
		?place dbp:longd ?lon .
	} UNION
	{
		?place dbp:latD ?lat .
		?place dbp:longD ?lon .
	}
}
# Query
SELECT DISTINCT ?place SAMPLE(?lat) AS ?lat SAMPLE(?lon) AS ?lon WHERE {
	{
		?place dbp:latd ?lat .
		?place dbp:longd ?lon .
	} UNION
	{
		?place dbp:latD ?lat .
		?place dbp:longD ?lon .
	}
} GROUP BY ?place

# Geometry
# Counting
SELECT COUNT(DISTINCT ?place) WHERE {
	?place geo:geometry ?wkt .
}
# Query
SELECT DISTINCT ?place SAMPLE(?wkt) AS ?wkt WHERE {
	?place geo:geometry ?wkt.
} GROUP BY ?place

# GeoRSS
# Counting
SELECT COUNT(DISTINCT ?place) WHERE {
	?place georss:point ?point.
}
# Query
SELECT DISTINCT ?place SAMPLE(?point) AS ?point WHERE {
	?place georss:point ?point.
} GROUP BY ?place

# Degrees
# Counting
SELECT COUNT(DISTINCT ?place) WHERE {
	?place dbp:latDegrees ?lat.
	?place dbp:longDegrees ?lon.
}
# Query
SELECT DISTINCT ?place SAMPLE(?lat) AS ?lat SAMPLE(?lon) AS ?lon WHERE {
	?place dbp:latDegrees ?lat.
	?place dbp:longDegrees ?lon.
	} GROUP BY ?place

# WD
# Query
PREFIX : <http://www.wikidata.org/entity/>
PREFIX wdo: <http://www.wikidata.org/ontology#>
SELECT DISTINCT ?place ?lat ?lon WHERE {
	?place :P625c ?coords .
	?coords wdo:latitude ?lat .
	?coords wdo:longitude ?lon .
	?coords wdo:globe :Q2 .
}

# All SPOIs (https://www.foodie-cloud.org/sparql)
# Count
SELECT COUNT(DISTINCT ?poi)
FROM <http://www.sdi4apps.eu/poi.rdf>
WHERE {
	?poi ogcgs:asWKT ?wkt .
}
# Query
SELECT DISTINCT ?poi SAMPLE(?wkt) AS ?geo
FROM <http://www.sdi4apps.eu/poi.rdf>
WHERE {
	?poi ogcgs:asWKT ?wkt .
} GROUP BY ?poi