SPARQL subquery wtih xsd:dateTime
I've made one query which returns the date of the Hiroshima bombing.
SELECT ?date
WHERE {
history:the_bombing_of_hiroshima history:hasStartDate ?date .
}
Result: 1945-08-06T:00:00:00
And another query which returns all of the administration that ruled the Soviet Union.
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
}
Now, I'm wondering. An administration in our ontology has a "startDate" and "endDate" data property. Both containing xsd:dateTime values. I want to pass the date, received from the first query into the second query so that we can get the administration that ruled the Soviet Union during the bombing of Hiroshima.
I've tried to read some SPARQL subquery examples but none of them concern dateTime filtering (check to see if a date falls between two others) and many of them are a bit confusing to me.
I suspect the query must be something like
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
?administration history:hasStartDate > [RESULT FROM QUERY1 HERE] && history:hasEndDate < [RESULT FROM QUERY1 HERE]
}
I'd be very grateful for any answers or pointers towards resources and tutorials I can read to get this query to work.
sparql
edited Nov 23 '18 at 13:41
AKSW
7,0841821
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
add a comment |
I've made one query which returns the date of the Hiroshima bombing.
SELECT ?date
WHERE {
history:the_bombing_of_hiroshima history:hasStartDate ?date .
}
Result: 1945-08-06T:00:00:00
And another query which returns all of the administration that ruled the Soviet Union.
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
}
Now, I'm wondering. An administration in our ontology has a "startDate" and "endDate" data property. Both containing xsd:dateTime values. I want to pass the date, received from the first query into the second query so that we can get the administration that ruled the Soviet Union during the bombing of Hiroshima.
I've tried to read some SPARQL subquery examples but none of them concern dateTime filtering (check to see if a date falls between two others) and many of them are a bit confusing to me.
I suspect the query must be something like
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
?administration history:hasStartDate > [RESULT FROM QUERY1 HERE] && history:hasEndDate < [RESULT FROM QUERY1 HERE]
}
I'd be very grateful for any answers or pointers towards resources and tutorials I can read to get this query to work.
sparql
edited Nov 23 '18 at 13:41
AKSW
7,0841821
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
1
It was Stalin's administration. Please paste those 4-5 triples into your question and format the code. P.S. All you need isFILTER.
– Stanislav Kralin
Nov 23 '18 at 12:18
1
I don't see why you'd need a subquery here. Just combine the triple patterns and as StanislavKralin said, use a FILTER to compare the date values.
– AKSW
Nov 23 '18 at 13:42
1
Similar query on Wikidata
– Stanislav Kralin
Nov 23 '18 at 15:39
1
1945-08-06T:00:00:00is illformed - theer is a ":" after the "T".
– AndyS
Nov 23 '18 at 16:15
add a comment |
I've made one query which returns the date of the Hiroshima bombing.
SELECT ?date
WHERE {
history:the_bombing_of_hiroshima history:hasStartDate ?date .
}
Result: 1945-08-06T:00:00:00
And another query which returns all of the administration that ruled the Soviet Union.
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
}
Now, I'm wondering. An administration in our ontology has a "startDate" and "endDate" data property. Both containing xsd:dateTime values. I want to pass the date, received from the first query into the second query so that we can get the administration that ruled the Soviet Union during the bombing of Hiroshima.
I've tried to read some SPARQL subquery examples but none of them concern dateTime filtering (check to see if a date falls between two others) and many of them are a bit confusing to me.
I suspect the query must be something like
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
?administration history:hasStartDate > [RESULT FROM QUERY1 HERE] && history:hasEndDate < [RESULT FROM QUERY1 HERE]
}
I'd be very grateful for any answers or pointers towards resources and tutorials I can read to get this query to work.
sparql
edited Nov 23 '18 at 13:41
AKSW
7,0841821
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
I've made one query which returns the date of the Hiroshima bombing.
SELECT ?date
WHERE {
history:the_bombing_of_hiroshima history:hasStartDate ?date .
}
Result: 1945-08-06T:00:00:00
And another query which returns all of the administration that ruled the Soviet Union.
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
}
Now, I'm wondering. An administration in our ontology has a "startDate" and "endDate" data property. Both containing xsd:dateTime values. I want to pass the date, received from the first query into the second query so that we can get the administration that ruled the Soviet Union during the bombing of Hiroshima.
I've tried to read some SPARQL subquery examples but none of them concern dateTime filtering (check to see if a date falls between two others) and many of them are a bit confusing to me.
I suspect the query must be something like
SELECT ?administration
WHERE {
?administration history:rulesCountry "The Soviet Union"^^xsd:string .
?administration history:hasStartDate > [RESULT FROM QUERY1 HERE] && history:hasEndDate < [RESULT FROM QUERY1 HERE]
}
I'd be very grateful for any answers or pointers towards resources and tutorials I can read to get this query to work.
sparql
sparql
edited Nov 23 '18 at 13:41
AKSW
7,0841821
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
edited Nov 23 '18 at 13:41
AKSW
7,0841821
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
edited Nov 23 '18 at 13:41
AKSW
7,0841821
edited Nov 23 '18 at 13:41
AKSW
7,0841821
edited Nov 23 '18 at 13:41
AKSW
7,0841821
7,0841821
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
asked Nov 23 '18 at 11:56
Arien ShibaniArien Shibani
64
64
1
It was Stalin's administration. Please paste those 4-5 triples into your question and format the code. P.S. All you need isFILTER.
– Stanislav Kralin
Nov 23 '18 at 12:18
1
I don't see why you'd need a subquery here. Just combine the triple patterns and as StanislavKralin said, use a FILTER to compare the date values.
– AKSW
Nov 23 '18 at 13:42
1
Similar query on Wikidata
– Stanislav Kralin
Nov 23 '18 at 15:39
1
1945-08-06T:00:00:00is illformed - theer is a ":" after the "T".
– AndyS
Nov 23 '18 at 16:15
add a comment |
1
It was Stalin's administration. Please paste those 4-5 triples into your question and format the code. P.S. All you need isFILTER.
– Stanislav Kralin
Nov 23 '18 at 12:18
1
I don't see why you'd need a subquery here. Just combine the triple patterns and as StanislavKralin said, use a FILTER to compare the date values.
– AKSW
Nov 23 '18 at 13:42
1
Similar query on Wikidata
– Stanislav Kralin
Nov 23 '18 at 15:39
1
1945-08-06T:00:00:00is illformed - theer is a ":" after the "T".
– AndyS
Nov 23 '18 at 16:15
1
1
It was Stalin's administration. Please paste those 4-5 triples into your question and format the code. P.S. All you need is
FILTER.– Stanislav Kralin
Nov 23 '18 at 12:18
It was Stalin's administration. Please paste those 4-5 triples into your question and format the code. P.S. All you need is
FILTER.– Stanislav Kralin
Nov 23 '18 at 12:18
1
1
I don't see why you'd need a subquery here. Just combine the triple patterns and as StanislavKralin said, use a FILTER to compare the date values.
– AKSW
Nov 23 '18 at 13:42
I don't see why you'd need a subquery here. Just combine the triple patterns and as StanislavKralin said, use a FILTER to compare the date values.
– AKSW
Nov 23 '18 at 13:42
1
1
Similar query on Wikidata
– Stanislav Kralin
Nov 23 '18 at 15:39
Similar query on Wikidata
– Stanislav Kralin
Nov 23 '18 at 15:39
1
1
1945-08-06T:00:00:00 is illformed - theer is a ":" after the "T".– AndyS
Nov 23 '18 at 16:15
1945-08-06T:00:00:00 is illformed - theer is a ":" after the "T".– AndyS
Nov 23 '18 at 16:15
add a comment |
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1
It was Stalin's administration. Please paste those 4-5 triples into your question and format the code. P.S. All you need is
FILTER.– Stanislav Kralin
Nov 23 '18 at 12:18
1
I don't see why you'd need a subquery here. Just combine the triple patterns and as StanislavKralin said, use a FILTER to compare the date values.
– AKSW
Nov 23 '18 at 13:42
1
Similar query on Wikidata
– Stanislav Kralin
Nov 23 '18 at 15:39
1
1945-08-06T:00:00:00is illformed - theer is a ":" after the "T".– AndyS
Nov 23 '18 at 16:15