Hi Holger and Andy, Due to your answers I did an extra check on the Union part. Then I noticed the query did not use all results from the graph part on each...
... This Java error means you have an incompatible set of jar files: specificically, between TDB and ARQ. Use the version of ARQ that comes with the download...
ARQ 2.8.4 has been released - this is primarily a maintenance release but also includes internal changes to the way storage layers fit into ARQ to facilitate...
Jena 2.6.3 has been released - this is primarily a maintenance release. This is also the first release of Jena since many of the contributors left HP and we...
Hello, I'm trying to parse some very large OWL files using Jena (an example of such files is http://www.ontologyportal.org/WordNet.owl). Initially, I did the...
... which has a lot of warnings - these need fixing somehow (and reporting the data creator) e.g. use of 'men-o'-war' <owl:Thing rdf:ID="men-o'-war"> The ' is...
Thanks for your reply, Andy. I'm running Linux with 32-bit JVM. I tried 1200M for the max heap size as you suggested. It seems to address the memory problem as...
44102
Nick Khamis
symack@...
Jun 2, 2010 2:54 am
Hello Everyone, We are looking for various technologies to take care of the different requirements: * An OWL 2 API to create ontology models. We were...
... In general, that's not possible -- the way OWL is represented in RDF means that to find all the definitional bits of a class or property means that you...
... Which code? Readign into TDB of the in-memory version? ... It didn't take me that long to either parser or load the data into TDB directly from WordNet.owl...
You might try a nested query: INSERT { } WHERE { SELECT ... { GRAPH ... } ORDER BY ... } or don't use a bNode in the INSERT template, because then you don't...
TDB 0.8.6 introduces various fixes and also a restructured bulk loader: + load quad formats (N-Quads (extension ".nq"), TriG (extension ".trig")) into an...
Hello, When using a TDB backed model (TDBFactory.createModel) and a Construct query that invokes a custom property function, the QuerySolutionMap doesn't seem...
Hi There is sth very strange, once the regex function works, and when exactly the same is in a rule, it doesn't work anymore... Why? What can I do? *this...
Just updated to the latest version of TDB and all seems well now, except that the current SPIN libraries I'm also using aren't compatible. Looks like the...
P_Inverse - changed from 2.8.2 to 2.8.3, the version before last. Installing property paths as property functions is not ideal - better to use extended SPARQL...
... Better to use the command line tool: tdbloader. Bulk loading is more efficient than reading into the model when the model is empty and the data is large. ...
Andy, what syntax do you use here? Syntax.syntaxSPARQL_11 or Syntax.syntaxARQ ... -- KONA Meet us at the Semantic Technology Conference this year in San...
Either, in ARQ 2.8.4 Syntax.syntaxARQ is a superset of Syntax.syntaxSPARQL_11 (Syntax.syntaxSPARQL_11 is not finished but the query part should be OK). Andy...
Wouldn't it be logical to find in: http://sourceforge.net/projects/joseki/files/Joseki-SPARQL/ a Joseki-3.4.2 that actually uses the latest (non-rc) arq, jena...
44118
Paolo Castagna
castagna.lists@...
Jun 3, 2010 8:38 am
... Including TDB into Joseki might not be a bad idea. TDB jar itself isn't big and Joseki already depends on Jena and ARQ. It will also reduce the risk of...
... Jena 2.6.3 and ARQ 2.8.4 were released on Tuesday, and TDB 0.8.6 was released on Wednesday this week. It is now Thursday. Rather than wait until...
Will we see this feature in the construct clause at some stage? Marco ... -- KONA Meet us at the Semantic Technology Conference this year in San Francisco. ...
... Indirectly: rather than add a whole expression evaluation context to CONSTRUCT, the pattern part can do it: CONSTRUCT { ?s ?p ?o } WHERE { SELECT ?s ?p...
Hey list, I'm developing an application which stores various report data as RDF using Jena (currently SDB, but might switch to TDB). There can be many reports...
