SPARQL Wrapper is a SPARQL Endpoint interface to Python
SPARQLWrapper is a SPARQL Endpoint interface to Python
Questions tagged [sparqlwrapper]
158 questions
0
votes
0 answers
How can i get the Fuseki API via SPARQLWrapper to properly report a detailed error message?
As outlined:in
https://github.com/WolfgangFahl/DgraphAndWeaviateTest/blob/master/storage/sparql.py
and
https://github.com/WolfgangFahl/DgraphAndWeaviateTest/blob/master/tests/testSPARQL.py
I tried to allow for a "round trip" operation between python…
Wolfgang Fahl
- 15,016
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2 answers
listOfDict to RDF conversion in python targeting Apache Jena Fuseki
To store some data in Apache Jena from python I'd like to have a generic conversion from a list of Dicts to RDF and possibly back on query.
For the list of Dict to RDF part I tried implementing "insertListofDicts" (see below)
and tested it with…
Wolfgang Fahl
- 15,016
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0
votes
1 answer
QueryBadFormed using Uniprot SPARQL endpoint
I am coding a SPARQL query from Python using SPARQLWrapper. The endpoint is Uniprot, but 50% of time, Iget an error when executing the code :
def getReviewProt(accession):
#print(accession)
mystring = '(uniprot:' + ')…
sparkles
- 3
- 1
0
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1 answer
How to find out all the skos:broader relations from DBpedia in order to build the concept hierarchy (tree) by using SPARQL query
As I am using this query text to find out those skos:broader related concepts of the keyword: England.
select ?ChildNodes where
{
skos:broader ?ChildNodes
}
and I've got the result like…
BBQ
- 23
- 4
0
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1 answer
Extract all rdfs:type from a specific DBPedia entry
all.
I'm trying to write a simple SPARQL query generator to fetch all rdf:type relations of a specific DBPedia resource.
query = """SELECT * WHERE {{ <""" + resource """> rdfs:type ?subject.}}"""
This yields the Query
SELECT * WHERE {{…
Vid Stropnik
- 182
- 10
0
votes
1 answer
SPARQLWrapper : problem in querying an ontology in a local file
I'm working with SPARQLWrapper and I'm following the documentation. Here is my code:
queryString = "SELECT * WHERE { ?s ?p ?o. }"
sparql = SPARQLWrapper("http://example.org/sparql")# I replaced this line with
sparql =…
kamel berkani
- 57
- 1
- 6
0
votes
0 answers
Sparql query on Arabic DBpedia Ontology
I'm trying to make a query to get the predicate or the relation between 2 entities already exist in Arabic DBpedia...
I'm trying to do that in Python using the SPARQL Endpoint interface to Python (SPARQLWrapper), so I set the Data Set Name, with the…
Islam Kh
- 55
- 6
0
votes
0 answers
How to simplify JSON result for SPARQL queries
I'm querying Wikidata using SPARQLWrapper.
The JSON result I'm receiving has this structure:
"title":{"xml:lang":"en","type":"literal","value":"natural language
processing"}
I would like to get a simple JSON result with only the 'value'…
kambi
- 3,291
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0 answers
How to traverse graph to graph in sparql query?
How should I write SPARQL query to get the details from node2: URI for node2 is the same in both the graphs and URI for node 1 is different. Thank you in advance.
as such, I need the below details.
node2 def
hasID ghi
hasvertex jkl
hasLastname mno
Manoj Deshpande
- 311
- 2
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0
votes
2 answers
How to write Sparql query for the following result?
[![SPARQL Query Details][2]][2]
How should I write SPARQL query to get the details from node2 : URI for node2 is same in both the graphs and URI for node 1 is different. Thank you in advance.
as such, I need below details.
node2 def
hasID…
Manoj Deshpande
- 311
- 2
- 18
0
votes
2 answers
How to get all inverse properties using SPARQL?
I need a SPARQL query to get all available inverse properties. exp (before, after, spouse, ... etc)
i tried this, on specific domain (Person) :
SELECT
DISTINCT ?predicate
WHERE
{
?subject a dbo:Person .
?object a dbo:Person .
?subject…
fetahokey
- 185
- 2
- 16
0
votes
0 answers
Why the results are different in Virtuoso SPARQL Query Editor and SPARQLWrapper?
My query in Virtuoso SPARQL Query Editor is as follows which resuted it 74
SELECT (COUNT (*) AS ?count) WHERE {?s ?p .}
I used the same query in SPARQLWrapper as follows which gave me the count as…
EmJ
- 4,398
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- 105
0
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0 answers
i want to get the names of similar types using sparql queries from dbpedia
I need to find the names of similar types from DBpedia so I'm trying to figure out a query which can return me the names of entities which have same subject type in its dct:subject (example I want to find similar types of white house so i want to…
Anuj tyagi
- 11
- 3
0
votes
0 answers
transaction time out in sparql query
select distinct ?label ?resource count(distinct ?type) as ?score
where
{
values ?type
{
…
Anuj tyagi
- 11
- 3
0
votes
1 answer
How to add special categories in sparqlwrapper in python
I am using the following sparql query using sparqlwrapper as follows.
from SPARQLWrapper import SPARQLWrapper, JSON
sparql = SPARQLWrapper("http://live.dbpedia.org/sparql")
sparql.setReturnFormat(JSON)
my_category =…
EmJ
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