I am storing some data in my ontology model made in protege with help of a SPARQL UPDATE 'insert' operation. Below is the update query.
PREFIX test:
insert {
[]…
i am trying to load the contents of an RDF File (Subject,Predicate,Object) to a table in HBase.
So far i cannot understand how the contents of the file can be passed to the map method of the mapper class and to be stored in Hbase.
Please provide…
I think they (API Platform) are developing server side implementation using JsonLd + Hydra .If they are doing at server side .How are they implementing Client side API to interact with this Web(Server Side) API?
Imagine I have the following code for inserting a record into Apache Jena database (TBD):
private fun createPersonLogic(ds: Dataset, email: String, nick: String) {
ds.begin(ReadWrite.WRITE)
val model = ds.defaultModel
val uuid =…
I am creating Client API in Java using :+ Apache Jena FrameWork+ Hydra(for Hypermedia driven) + my private vocab similar to Markus Lanther Event-API Vocab instead of schema.org(for Ontology/Vocabulary part)
Section 1 :
After looking this Markus…
I have simple RDF data set with following values: user, url, time and ip. I can list all the data using:
SELECT DISTINCT * WHERE { ?s ?p ?o }
But now I need to list all the data with specific user. I would very much appreciate if the data from…
If I use the default d2rq mapping file (ttl) all my colums are mapped to rdf properties. E.g. the colum ID becomes the Property "hasID" (after renaming).
I have a local alignment.rdf file and using alignment API library here I want to create Alignment object and convert it to .owl file.
My code is here:
AlignmentParser aparser = new AlignmentParser(0);
Alignment result = aparser.parse( new File(…
I am working on the semantic web and use TDB for RDF storage.Is it possible that we could use TDB with MySQL Workbench and execute semantic queries against TDB data in Workbench ? I went through Apache Jena TDB
tutorial but could not find anything…
I am loading model in apache jena using function FileManager.get().loadModel(url).And I also know that there may be some URLs in HTTP Response Link Header .I want to load model also from the links(URLs) in link header.How to do that ? Is there any…
I want to change a node of a Jena TriplePath (org.apache.jena.sparql.core.TriplePath), but I haven't found any manner. Imagine I have this code:
TriplePath tp = null;
....
//tp has been defined and not null
Node domain = tp.getSubject();
Node…
I would like to query on DBPedia using Java. Below is my code and it does not return corrrect result.I want to get Abstract part from [http://dbpedia.org/page/Ibuprofen page and label name. but it returns only http://dbpedia.org/resource/Ibuprofen …
Hi guys so I'm trying to build a project that aligns to Ontologies; and I was searching for ontology example and I found this ontology on a PDF file and wanted to use it by copying-pasting it in a .owl file, but it won't work
String…
I'm starting to use Apache Jena Fuseki for running SPARQL in local.
I'm looking for a way to speed up to load an RDF file.
Currently I'm using the following command as noted in the instruction.
s-put http://localhost:3030/ds/data default…
