RDF storage
Has someone experiment RDF storage solution like sesame ? I'm looking for performance review of this kind of solution compared to the traditional database solution. ...
sesame
Insert data to Sesame Database using SQL queries
Hello, I would like to know whether is possible to add normal data to a Sesame Database using SQL queries and retrieve them through SQL queries..?? Thank you Regards, Chith ...
How can I uses Sesame's RDFXMLParser in JRuby?
I am not very experienced in Java and JRuby but need to parse RDF data using Sesame's RDFXMLParser in JRuby and my python-minded brain just does not want to get into it. I have problems translating the Java example into JRuby. At first I don't know how to define the RDFHandler in a way it would make sense. I also don't get why the parse ...
Is there something like SESAME for OWL
Sesame is for RDF, so if I want to use OWL is there anythin? ...
Adding statement in Sesame using HTTPRepository
I'm trying to add some simple statements to a Sesame repository, like so: RepositoryConnection connection = repository.connection connection.autoCommit = false try { ValueFactory vf = repository.getValueFactory() def dummyS = vf.createURI("http://some/uri") def dummyP = vf.createURI("http://some/uri/h...
Sesame SeRQL does not provide update/insert option?
Hi, I'm trying to use Sesame repository to store my ontology. I wanted to write JAVA code to load this ontology or just run queries on it so as to add new individuals, properties etc. But it seems that SeRQL does not provide update operations. Is there some API that will allow me to do that? I was able to do the same using the OWLAPI, b...
Where can I find sesame.jar file?
Hi, Ok Sesame is driving me crazy. There are tens of jar files and every other tutorial mentions some other class, some other api .. I decided to use to code given on the openrdf documentation page to connect to a server java.net.URL sesameServerURL = new java.net.URL("http://HOSTNAME/SESAME_DIR/"); SesameService service = Sesame.getSe...
updating ontology using sesame api fails
Hi, I'm writing a code to add individuals to a native repository created in the code. I don't get any errors but when I query for individuals I don't get any records. Is there something I am missing here. I create a native repository, add an owl file 'sudoku.owl' to it and then try to add an individual for one of the classes in the onto...
RDF avoiding rdfs:subClassOf
I have the following RDF: <?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:ppl="http://www.blah.com/people#"> <rdfs:Class rdf:ID="Person"> <ppl:Name/> <ppl:LastName/> </rdfs:Class> <rd...
Using Sesame 2 and MySQL in my Java Class
Hi guys! It's my first time with Sesame 2 so please be kind. It could be a stupid question but I can't find documentation about how to use Sesame 2 and a mysql store. I've created one using the create mysql. command in the Open-rdf console but now I do not know how to use it in Java. The official documentation presents some example but i...
Loading verly large RDF file into openrdf Sesame ontology manager
Hi everyone, I need to load very large ontology represented as N-triples file(1gb) to the openrdf Sesame application. I'm using the workbench interface to do that. I know that this file is too big to be loaded in one request. To get around that, I splitted my files in files of size 100mb. But I still get a error form the openrdf Sesam...
Max length of a Sesame Literal
Has anyone encountered a limitation to the length of the text portion of the Sesame LiteralImpl class? I know smaller literals would be a better design, however we have a customer who is storing entire files as literal strings and have asked the consequences of doing so. ...
How to set up a password for openrdf workbench?
I have successfully installed Openrdf Repository (sesame 2.3.2) and Openrdf workbench however I do not know how to set up a user and a password to protect Openrdf workbench. I suppose that there is --somewhere -- a configuration file. Can somebody give me a hint how to create a user and set up a password for openrdf workbench? ...
What should I included (using maven) to have use an embedded sesame repository in my Java application
I would like to use an embedded openRDF sesame repository in my Java application. I can not find information what is a minimum set of libraries that I need to include -- place in my pom.xml -- in my Java application to have it running. Can anybody give me a hint or a link to a website that would help me? ...
Install LuceneSail on sesame2
I am looking for a web resource where I can find a step-by-step instruction how to install LuceneSail in OpenRdf sesame 2 server and how to enable the sesame workbench to create new LuceneSail repositories. Has anybody successfully installed this sail? ...