dbpedia

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How to get namespace of the property in dbpedia by giving the property name using jena?

I am trying to 开发者_JAVA百科get the value of property genre in the following dbpedia link using sparql in jena http://dbpedia.org/page/Black_Sabbath[详细]

2023-02-26 00:00 分类：问答
How to select random DBPedia nodes from SPARQL?

How can I select random sample from DBpedia using the sparql endpoint? This query SELECT ?s WHERE { ?s ?p ?o . FILTER ( 1 > bif:rnd (10, ?s, ?p, ?o) ) } LIMIT 10[详细]

2023-02-24 21:47 分类：问答
SPARQL XML results from DBpedia and Jena

I get the following XML from the DBpedia SPARQL end point: <?xml version=\"1.0\"?> <sparql xmlns=\"http://www.w3.org/2005/sparql-results#\">[详细]

2023-02-23 07:01 分类：问答
Selecting some distinct and some not-distinct tags in SPARQL

I\'m trying to query DBPedia for a list of properties relating to a given class in the ontology, but since the human-readable \"labels\" aren\'t always clear, I\'d also like to provide an example from[详细]

2023-02-18 20:48 分类：问答
Getting DBPedia Infobox categories

I\'m currently looking for a way to query DBPedia\'s Infobox Onyology database via the SPARQL endpoint to get a list of the classes, the subclasses of a selected class, and the properties of a given c[详细]

2023-02-18 01:54 分类：问答
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
DBPedia Query problem

I am really getting crazy with DBPedia... I thought you did not need to be an engineer to run a query against it, but did 开发者_如何学JAVAnot suceed after X tries and hours of reading...[详细]

2023-02-11 08:45 分类：问答