Re: Tool to build model from scratch

2013-09-25 Thread Ian Dickinson
Hi Charles, On Wed, Sep 25, 2013 at 4:28 AM, Charles Li charlesqua...@gmail.com wrote: Not sure if this is the right place for this question, but please allow me to try: Yes, it's the right place! However ... We have a project that we are going to build the Semantic model from scratch.

Re: EC2, GitHub, Heroku and Jena

2013-09-25 Thread Ian Dickinson
Hi Joseph, On Sun, Sep 22, 2013 at 2:59 PM, Joseph Daryl Locsin daryl.loc...@gmail.com wrote: I am new to Amazon's AWS EC2, GitHub and Heroku. Is it possible to deploy a Java Eclipse project which uses the Jena library on GitHub and then push that to Heroku? I haven't done it myself, but yes,

Re: EC2, GitHub, Heroku and Jena

2013-09-25 Thread Claude Warren
I've been considering writing a Casandra based graph and queryengine for Jena. I think Casandra will run on EC2 If anyone is interested in pursuing this let me know and perhaps we can work out a strategy to move forward. Claude On Wed, Sep 25, 2013 at 9:26 AM, Ian Dickinson

Re: EC2, GitHub, Heroku and Jena

2013-09-25 Thread Ian Dickinson
Hi Claude, On Wed, Sep 25, 2013 at 9:44 AM, Claude Warren cla...@xenei.com wrote: I've been considering writing a Casandra based graph and queryengine for Jena. I think Casandra will run on EC2 We use EC2 for most of our client deployments. In EC2, you basically get a server, plus various

Re: most efficient way to batch update a TDB

2013-09-25 Thread Andy Seaborne
On 24/09/13 19:36, Zhiyun Qian wrote: Hi all, Currently when I want to update an existing TDB, I simply open it using memory-mapped file mode (I'm using 64-bit) and then call model.createResource() repeatedly which will get reflected onto the TDB as the program runs. The bulk loaders are

Re: SDB to TDB

2013-09-25 Thread Andy Seaborne
On 23/09/13 18:39, Márcio Vinicius wrote: Hello, I'm beginning to study and develop a small prototype of a future application. I'm already using TDB and could store and retrieve triple. However I have some questions: - It would be possible to retrieve the information and put them in a model?

Re: Creating a model: Documentation refers to deprecated methods

2013-09-25 Thread Andy Seaborne
On 25/09/13 04:22, Michel de Lange wrote: Hello again, The code(from the tutorial) which throws up the deprecation warning is like this: I'll fix the documentation. String directory = MyDatabases/DB1 ; model = TDBFactory.createModel(directory) ; String

Re: most efficient way to batch update a TDB

2013-09-25 Thread Zhiyun Qian
Thanks very much for your reply! On Wed, Sep 25, 2013 at 6:01 AM, Andy Seaborne a...@apache.org wrote: On 24/09/13 19:36, Zhiyun Qian wrote: Hi all, Currently when I want to update an existing TDB, I simply open it using memory-mapped file mode (I'm using 64-bit) and then call

Fwd: fuseki larq

2013-09-25 Thread Andrea Dessi
Hi, I'm PHD student and I write you this email because I want you ask, if it's possible, how can I get more information on how Apache Jena-Fuseki-LARQ (indexing) works. Thank you for your attention. Best regards. -- Andrea Dessi -- Andrea Dessi

Re: Tool to build model from scratch

2013-09-25 Thread Charles Li
Hi, Ian: Thank you very much for your reply! We are developing a product catalog application, which keeps descriptions about product and product relationships attributes. This is an effort to build from scratch, which means that we will let a group of users to manually enter product information.

Re: Re: Tool to build model from scratch

2013-09-25 Thread Chris Dollin
On Wednesday, September 25, 2013 08:58:35 AM Charles Li wrote: We are developing a product catalog application, which keeps descriptions about product and product relationships attributes. This is an effort to build from scratch, which means that we will let a group of users to manually enter

Re: Tool to build model from scratch

2013-09-25 Thread Andrea Splendiani
Hi, to sketch something (especially for end-users) lot of people is using Protege. It gives you an OWL perspective, but you don't need to push it far. It's good to start sketching something. If you go big... then directly handling triples cane be quite useful. best, Andrea Il giorno

Re: Registering .owl as RDF/XML

2013-09-25 Thread Andy Seaborne
See JENA-548 https://issues.apache.org/jira/browse/JENA-548

Re: fuseki larq

2013-09-25 Thread Andy Seaborne
On 25/09/13 14:53, Andrea Dessi wrote: Hi, I'm PHD student and I write you this email because I want you ask, if it's possible, how can I get more information on how Apache Jena-Fuseki-LARQ (indexing) works. LARQ is replaced by the new jena-text module. It uses Lucene for the actual text

Re: Tool to build model from scratch

2013-09-25 Thread Andreas Grünwald
Hello Andrea, are you concerned about handling large-scale data-models, or about the insertion of individuals? We (at the Christian Doppler Laboratory at the Technical University of Vienna) are dealing with the problem of visualizing large data models (OWL ontologies). There is a tool available

Re: Tool to build model from scratch

2013-09-25 Thread Andrea Splendiani
Hi, It depends on the use case, but I would say that my main practices fall in two categories: - building ontologies (more or less large), not really individuals involved (I use Protege). - building/assembling large graphs (which may include ontologies, but these are classified first): it's a

Re: most efficient way to batch update a TDB

2013-09-25 Thread Andy Seaborne
On 25/09/13 14:18, Zhiyun Qian wrote: Thanks very much for your reply! On Wed, Sep 25, 2013 at 6:01 AM, Andy Seaborne a...@apache.org wrote: On 24/09/13 19:36, Zhiyun Qian wrote: Hi all, Currently when I want to update an existing TDB, I simply open it using memory-mapped file mode (I'm

Re: Tool to build model from scratch

2013-09-25 Thread Pete Cumberland
Hi Andreas, I think I'm one of the end-users Andrea refers to :) He built my prototype application a few weeks back (thanks Andrea!) I'm not a developer, but found Protege a great tool for experimenting. I like the fact you have everything in one place - modelling, inferencing, SPARQL and DL

Re: Tool to build model from scratch

2013-09-25 Thread Martynas Jusevičius
Charles, you can try Graphity for UI building: https://github.com/Graphity/graphity-browser It transforms RDF/XML to (X)HTML using modular XSLT templates, and includes default generic layout as well as specialized stylehseets for vocabularies such as GoodRelations (which should be useful for

Re: Tool to build model from scratch

2013-09-25 Thread Holger Knublauch
TopBraid Composer [1] is an RDF/OWL editor and has a Free Edition. This is an Eclipse-based desktop system with support for TDB, SDB etc. TopBraid Enterprise Vocabulary Net [2] is a web-based editor of RDF/OWL classes and instances (and SKOS). You can try EVN from TopBraid Composer ME. All