SPARQL Wrapper is a SPARQL Endpoint interface to Python
SPARQLWrapper is a SPARQL Endpoint interface to Python
Questions tagged [sparqlwrapper]
158 questions
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1 answer
Comma error while searching on SPARQL, DBpedia
While performing the query giving error, syntax error at ',' before '_New_South_Wales'.
PREFIX dbo:
Billi
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Python 3.6: [SSL: CERTIFICATE_VERIFY_FAILED] using SPARQL endpoint. Didn't happen before
I have a script that gets results from a SPARQL, using the library SPARQLWrapper. It's been working perfectly well for the last 3 months, and now that I tried to run it again after a month break, it doesn't seem to work. I get the following…
rocker7035
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- 1
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1 answer
Get movie(s) based on book(s) from DBpedia
I am new to SPARQL and trying to fetch a movie adapted from specific book from dbpedia. This is what I have so far:
PREFIX onto: a ?type.
?type…
Hala Ba
- 249
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1 answer
How to iterate and write a list as the CSV header?
I have a use case, where I pull the data from a SPARQL endpoint as follows:
SPARQL = SPARQLWrapper(endpointURL)
SPARQL.setQuery(queryString)
SPARQL.setReturnFormat(JSON)
results = SPARQL.query().convert()
The 'results' variable holds the data…
Martin
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Get information using python, SPARQL ,DBpedia and Wikidata
I have a CSV file with a list of names in English and Hebrew, I need to get some information on.
The data I need is
"name-Hebrew name-English DBpedia-URL date birth place birth dateDeath placeDeath entry_where_found"
for each person, the…
Daniel
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0
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1 answer
SPARQL query to search by name for a person
I need some help in a query.
I have a list of names and I want to write a program in python that will send a query for each person on the list and it will look for his information in dbpedia and in wikidata and will return some of it.
Can someone…
Daniel
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1 answer
Finding Date Range from String Values in SPARQL
I have triples that organized like following.
"201701"
"201703"
"201705"
"201706"
"201606"
Here object part of the…
Beautiful Mind
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Python: why do I get certifcate error running a Sparql query?
I have to run the following query
query = """
PREFIX schema:
select ?Municipality ?Name ?Population
where
{
?Municipality a gn:A.ADM3 .
?Municipality schema:name ?Name…
emax
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Jena/Fuseki: SPARQL DELETE operation not effective
i am developing a server that uses a Jena triple store. The server is developed in Python, and I am using the SPARQLWrapper library to handle the different operations to be performed.
I had no problems in querying the store (SELECT operation) and to…
PeioBourreau
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Load OpenStreetMap data into Virtuoso
How can I load data from OpenStreetMap of a particulat area (e.g. Berlin) into the (open source) Virtuoso triple store which runs on my local computer (Ubuntu)?
I tried to download the particular OSM file and access it with sparqlify in order to…
Mr M
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- 8
0
votes
1 answer
Star subgraph pattern finding in SPARQL
I have a collection of RDF triples like following.
id#7289587 ex:getInfectedBy id#7748320
id#7694711 ex:getInfectedBy id#7748320
id#7748322 ex:getInfectedBy id#7748320
id#7748887 ex:getInfectedBy id#7748320
id#7746679 …
Beautiful Mind
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1 answer
Federated queries on dbpedia and linkedmdb
I am writing a federated query to get the books based on films in dbpedia and in turn using the film name from dbpedia to retrieve the corresponding imdblink link for the same. I am getting an empty set when I add the service of linkedmdb.
Here is…
VKB
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2 answers
Parse error while using filter in linkedmdb SPARQL
I am trying to query 2 specific movies and their imdb pages with linkedmdb and it throws a parse error.
I get a list of all movies when I remove the below line. How do I get links of a specific set.
FILTER (str(?title) IN ("The Magician","Royal…
VKB
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0
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1 answer
How to query DBPEDIA SPARQL to include the desired values while using LIMIT
I am trying to populate my local ontology with 10 random books. I would like to include 2 known books in the list for testing purpose.i.e out of the 10 I want to specify the names of 2 books and the remaining 8 can be random.
I do not know how to…
VKB
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0
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2 answers
How to query for publication date of books using SPARQL in DBPEDIA
I am trying to retrieve the publication date and the no.of pages for books in DBpedia. I tried the following query and it gives empty results. I see that these are properties under book(http://mappings.dbpedia.org/server/ontology/classes/Book) but…
VKB
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