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July 10, 2016

I have been searching in vain for wiktionary RDF extraction described here:

I tried to contact them for help but haven't gotten a response. I dont need the absolute newest version, I would be happy with anything. Alternatively, if anyone knew a mechanism (meaning the...

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October 27, 2016

My code:

String url = "http://localhost:2222/rest/annotate?"; String confidence = "confidence=0.50"; URL obj; try { obj = new URL(url); HttpURLConnection con; String text = "ANY STRING" try { con = (HttpURLConnection) obj.openConnection(); String urlParameters = "text=" + URLEncoder.encode(text,"UTF-8"); con.setDoOutput(true...

October 27, 2016

I'm wondering how to query DBpedia in a certain way and I was hoping some of you could help me.

I have build an ontology in Protégé and I want to fill it with individuals. My ontology is about cities. I have a class City with individual Amsterdam, an object property hasLeader and a class Leader with individual Van_der_Laan. I want to add more cities and leaders at once, but I don't...

October 26, 2016

I am trying to use the DBpedia look up service using DBpedia look up library by Georgi Kobilarov.

DBpediaLookupClient dbpedialookup = new DBpediaLookupClient("Car"); System.out.println("DBpedia Results = " + dbpedialookup....

October 26, 2016

We have a question about sparql, because we’re trying to link classes from dbpedia to our ontology in Protégé. Our protégé is about pets. We’re trying with the query below to get all the dog breeds from dbpedia and implement them as a subclass to our class ‘Dog’ in Protégé.

What happens with this query is that all the dog breeds become normal classes our ontology, but we want it to...

October 25, 2016

I need to select the entity that have a "taxon rank (P105)" of "species (Q7432)" which have a label that match a literal string such as "Topinambur".

I'm testing the queries on; this query goes fine and return the entity to me with satisfying response time:


October 18, 2016

I'm aware that DBpedia had a new release last week. It appears as if that release is missing some English abstract and comment fields.

For example, last week I was able to get the abstract for George Washington, now there are eight abstracts but none are in English.

sparql query:

SELECT ?abstract WHERE { <> dbo:...

October 18, 2016

As suggested I'm wondering why wikidata sparql endpoint does not work:

General info:

October 18, 2016

We want datasets we import into protege to automatically make the inferences on their own. For instance, with the Yas GUI code we use to get capitals, countries, currency and so on. We get a class with only capitals, only countries and only currencies. What we had to do ourselves was link them (this country has this capital and this Currency for every country), but we were asking ourselves if...

October 18, 2016

I run a query on DBpedia using jena framework, as part of a project, on January 2016 to count the distinct properties of 100 movies. I was writing the report yesterday so I tried to confirm the results, but surprisingly they have changed. On January, I got 100+ properties, yesterday I got 63. I used the same query the same everything!

I even saved the list of properties labels in my...

October 16, 2016

What I want from my sparql query is to not only get a list of all the European countries, but I want all the info they have. For instance, their capital, currency, areaKM and so on. The end goal is to use the datasets I aquired in protege. The query I have tried looked like this:

PREFIX rdf: <> PREFIX yago: <