sparql
DBpedia and SPARQL: Query with accent marks does not work
So I\'ve tried a lot of different things and have been searching for a solution, but haven\'t had any luck...[详细]
2023-02-15 02:46 分类:问答DBpedia SPARQL query that has a period in it
I\'m trying to get the abstract of the Manchester United soccer team, problem is the wiki link has periods in it. When I tried this,[详细]
2023-02-14 21:27 分类:问答How to properly use SPARQL OPTIONAL to retrieve attributes for a resource that may exist?
I\'m trying to use a SPARQL query to retrieve information about a DBpe开发者_JAVA百科dia resource (a Person). I\'d like to use the same query to retrieve data about any Person by parameterizing the re[详细]
2023-02-14 09:50 分类:问答DBpedia query returns some musicals more than once despite filters
I\'m trying to use a SPARQL query against DBpedia to retrieve a list of musicals and some associated properties. However, despite using the appropriate filters (as far as I can tell), the results incl[详细]
2023-02-14 05:58 分类:问答Sparql: Arithmetic operators between variables?
Hi I have a query like this: SELECT ?a ?b WHERE { ?c property:name \"myThing\"@en ?c property:firstValue ?b[详细]
2023-02-12 02:36 分类:问答Named Graphs and Federated SPARQL Endpoints
I recently came across the working draft for SPARQL 1.1 Federation Extensions and wondered whether this was already possible using Named Graphs (not to detract from the usefulness of the aforementione[详细]
2023-02-11 17:02 分类:问答Searching an RDF Graph for Partial Matches
How would I search an RDF database to find the segments of the graph that overlap the most with a sample graph?[详细]
2023-02-11 03:22 分类:问答Using the 'GRAPH' keyword in SPARQL to fetch remote graphs
I\'m looking to use SPARQL for a relatively basic task: Given a FOAF graph, I\'d like to parse theelements I find in there, get theirtags (if they开发者_StackOverflow中文版 exist) and then, use those[详细]
2023-02-10 03:19 分类:问答How to retrieve a column's value in sparql
Ineed to retrieve a column\'s value once the query is executed. The query runs and gives me the correct answer in the Eclipse console. I need to just retrieve one of the attribute value from the row.[详细]
2023-02-09 10:06 分类:问答How to access members of an rdf list with rdflib (or plain sparql)
What is the best way to access the members of an rdf list? I\'m using rdflib (python) but an answer given in plain SPARQL is also ok (this type of answer can be used through rdfextras, a rdflib helper[详细]
2023-02-04 05:18 分类:问答