Re: Are there tools in Jena to generate HTML / Forms from RDFS/OWL?

2012-05-25 Thread Martynas Jusevicius
Hey Peter, for generation of HTML, consider XSLT on RDF/XML. It's not trivial, but doable. Regarding forms, take a look at RDF/POST http://www.lsrn.org/semweb/rdfpost.html. We have some code at graphity.org dealing with both of these. It's not totally up-to-date, contact me off-list if you find

Re: Storing jena model to Non SQL Datastore

2012-05-25 Thread Patrick Thompson
Thanks Marco, I am looking to find the integration points to customize to enable my model to persist to accumulo. Here is my impression of what I think needs to be done. Please correct as necessary 1) provide a custom implementation of ModelMaker which will return my CustomAccumuloModel::Model

Are there tools in Jena to generate HTML / Forms from RDFS/OWL?

2012-05-25 Thread Pieter Wouter Hartog
This is a newbie design question. I'm trying to create a CRUD (Create Read Update Delete) web-application for an RDF db. I've been playing with the various modules in Jena and it looks great, but I have not found a module that could deal with updates from HTML forms or generate HTML from the onto

Re: Ideas for an efficient TDB check?

2012-05-25 Thread Paolo Castagna
Hi André, I know exactly how you feel and I had exactly the same need at times. How you know if your TDB indexes are all fine? Add the work 'production' to it and everything becomes more 'fun'. :-) Fortunately, we use replication and have the ability to replay updates going back as much as we wan

RE: RDF editor

2012-05-25 Thread John Fereira
Were you ever able to get this working? I just tried using an instance of VIVO running the 1.4.1 version that was created with the database with the utf-8 character set as I described in a previous message and was able to change the People menu time to the Chinese name you showed in your last m

Re: Problem creating a tdb model

2012-05-25 Thread Andy Seaborne
On 25/05/12 08:28, Dave Reynolds wrote: This looks like a problem with the version of Xerces. Make sure you don't have a different older Xerces on your classpath. Note that some Java environments have an "endorsed" directory which sneaks an old copy of Xerces onto your classpath without you being

Re: Storing jena model to Non SQL Datastore

2012-05-25 Thread Marco Neumann
Patrick , we basically have just extended the model interface in jena to bind the BigTable column store to the API. though the benefits of the Google App engine are obvious, free hosting and database scaling as web service etc, we have unfortunately observed significant performance issues and som

Ideas for an efficient TDB check?

2012-05-25 Thread Dr. André Lanka
Hello Jena-Users, we are using Jena+TDB in production and are looking for an efficient method to check the validity of the TDB files on disk. Our situation is as follows. With Jena 2.6.4 and TDB 0.8.10 each of our servers stores triples in up to 4000 different TDB stores stored on its local hard

Re: Problem creating a tdb model

2012-05-25 Thread Dave Reynolds
This looks like a problem with the version of Xerces. Make sure you don't have a different older Xerces on your classpath. Note that some Java environments have an "endorsed" directory which sneaks an old copy of Xerces onto your classpath without you being aware of it. Dave On 25/05/12 02:13