Re: Trying to get an identifier for an entire statement

2012-11-28 Thread Chris Dollin
On Tuesday, November 27, 2012 04:23:40 PM Scott Streit wrote: I am using solr as a store for Jena. Works fine until I try reification. I need a way to take a statement (SPO) and have an id for it. Making one up isn't enough? Are you hoping to find specific Statement [objects] from some

Re: Re: Trying to get an identifier for an entire statement

2012-11-28 Thread Chris Dollin
On Wednesday, November 28, 2012 07:38:41 AM Scott Streit wrote: When a extended a statement to an ExtendedStatement which I added a property of reificationId. I then put the ExtendedStatement in the model. Unfortunately, when I pulled back the statement from the model, it was a statement,

Re: Fwd: Jena has cluster?

2012-11-28 Thread Andy Seaborne
On 28/11/12 13:40, Marco Neumann wrote: do you partition the Fuseki instances? No - it's replicas. Each is complete (so if you loose a machine, the others can answer the same queries. You loose the ingress queries on that one machine as it fails). Or add more and the load balancers will

Re: Fwd: Jena has cluster?

2012-11-28 Thread Marco Neumann
On Wed, Nov 28, 2012 at 8:55 AM, Andy Seaborne a...@apache.org wrote: On 28/11/12 13:40, Marco Neumann wrote: do you partition the Fuseki instances? No - it's replicas. Each is complete (so if you loose a machine, the others can answer the same queries. You loose the ingress queries on

Simplifying the core of Jena - some possible changes

2012-11-28 Thread Andy Seaborne
We're looking at simplifying the core of Jena. There are features in the Graph layer that are not used but do potential add a complexity cost to graph implementations (e.g. storage systems). The RDF APIs will not change but there are some implications and we'd like feedback. 1/ Graph level

Re: Simplifying the core of Jena - some possible changes

2012-11-28 Thread Stephen Allen
+1 to all the changes. On Wed, Nov 28, 2012 at 2:07 PM, Andy Seaborne a...@apache.org wrote: We're looking at simplifying the core of Jena. There are features in the Graph layer that are not used but do potential add a complexity cost to graph implementations (e.g. storage systems). The

Re: Simplifying the core of Jena - some possible changes

2012-11-28 Thread Zhe Wu
Hi Andy, Please see my comments inline. On 11/28/2012 11:07 AM, Andy Seaborne wrote: We're looking at simplifying the core of Jena. There are features in the Graph layer that are not used but do potential add a complexity cost to graph implementations (e.g. storage systems). The RDF APIs

Re: Jena has cluster?

2012-11-28 Thread Dick Hannah
On 28 Nov 2012, at 14:02, Marco Neumann marco.neum...@gmail.com wrote: On Wed, Nov 28, 2012 at 8:55 AM, Andy Seaborne a...@apache.org wrote: On 28/11/12 13:40, Marco Neumann wrote: do you partition the Fuseki instances? No - it's replicas. Each is complete (so if you loose a

model.listStatements(s,p,null,lang)

2012-11-28 Thread François-Paul Servant
Hi, lisStatements(Resource, Property, String, String) doesn't take the forth arg into account when the third one is null (in other words: it can't be used to select statements with a given subject, property and literal's language) import org.junit.Test; import com.hp.hpl.jena.rdf.model.*;