... [snip] ... First, don't do any optimization until you know from empirical data that the reasoner performance is an issue in practice. The only bit of...
Michael has provided a complete, minimal example. It shows that loading with tdbloader and tdbloader2 results in datasets that behave differently. It's...
Hi! In my code (http://pastebin.com/uY878A16), i am searching in a set of documents with the same ontology schema, but i need some inference, avaliable only in...
Hi Andy, thank you for your advice. For the sake of my understandability, let me please ask: So you suggest that I have to create two different Datasets,...
I was thinking of: 1/ Create a dataset (a DataSource because your going to modify it 2/ Add the inference graph as <http://example/inf> 3/ Add the base graph...
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Francois-Paul Servant
fps@...
Jan 3, 2011 5:13 pm
Hi, just a small remark wrt ARQ's property paths. You can write Path path = PathParser.parse("ex:aprop{1}", mapping) ; PathLib.install(uri, path) ; and it...
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Michael Brunnbauer
brunni@...
Jan 3, 2011 10:12 pm
hi all is the output of tdbdump --loc=DIR sorted by graph ? It would be nice if I could rely on that in a current software project. Regards, Michael Brunnbauer...
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Michael Brunnbauer
brunni@...
Jan 3, 2011 10:16 pm
re sorry I really meant "grouped by graph" instead of "sorted by graph". I do not need them sorted - only not mixed up. Regards, Michael Brunnbauer ... -- ++...
Andy, working on the SPIN RDF syntax for the new SPARQL 1.1 Update support, I noticed a minor inconsistency in the modify.request API: UpdateLoad doesn't seem...
Hmm - the SPARQL 1.1 grammar and the SPARQL 1.1 Update doc aren't in step. I've fixed the grammar (the Working Group one) to match the update doc. Thanks, Andy...
... Hi Michael, There is no guarantee - it emits N-Quads which does not guarantee grouping. While TDB does it's output by using the SPO and GSPO indexes (which...
Hello, when loading a jena Ontmodel i get the following exception, any ideas what could it be. i dont have any HTML.Version in my Ontology so i dont really ...
... the import is an HTML document. http://www.ga-entwurf.de/repository/enoceanDevices which starts <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" ...
Hi, I am trying to write RDF FOAF file using the Jena Framework. Could you please guide me as I am new comer in this area. Thanks in advance, Muhammad Imran...
... (a) Read the Jena RDF tutorial. (b) Make a Jena model with the FOAF data in it that you want. (c) Use Model.write to write the model out as RDF/XML (or any...
Hi there, I am currently realising an ontology containing items (in terms of goods) and transport logistics. The final target will be to determine if a certain...
Oh, I just tried the Micro OWL Reasoner and it works. Hmm, since I am currently not using cardinality features, that might be already a solution.... The mini...
... I was just about to send a response suggesting you try that. You are, in fact, using cardinality - someValuesFrom is an implicit cardinality. ... That is...
... Well, nothing happens after 4-5 Minutes. So yes, I think it won't terminate. I also thought that the mini and the micro owl reasoner would be equivalent...
Hey Guys, I've been trying to get the below working - but seem to be missing some critical piece of the puzzle, and I'm hopeful you can help! (apologies in...
TDB version 0.8.9 has been released. This is a non-Apache release. It provides a fixed version for use in the upcoming rerun of the Berlin SPARQL Benchmark...
I suspect that Protege doesn't like the fact that your restrictions have URIs, those probably take you (at least technically) into OWL full. Try using null as...
I've been taking the new tdbloader2 out for a spin with some fairly large datasets. In total, I have about 3Billion triples I am trying to load. I have 87...
... See http://openjena.org/ontology/index.html#creatingModels and create an ontology model with the spec you want via ModelFactory.createOntologyModel Andy...
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Michael Brunnbauer
brunni@...
Jan 7, 2011 9:44 am
hi all I have a case where model.write() creates a file beginning with: <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" ...
... Hi Michael, ... Could you explain what happens after parsing? Do you write the model immediately to xml? The xml prefix seems to have gone awol, but I'm...