On 31/10/12 22:14, Carsten Keßler wrote:
Hi,
I'm using the latest Fuseki snapshot (0.2.6) with TDB and OWL-Mini
inference (the full configuration file:
https://gist.github.com/3990276). When I upload triples through the
graph store endpoint, this works fine and the triples end up in the
named graph specified in the request. However, once I shut down and
start Fuseki again, the named graphs are gone. The triples I have
inserted are still there, though – sitting in the union graph.
Any hints on what might be going wrong here appreciated!
Thanks
Carsten
---
http://carsten.io
The problem is that some of your setup is in-memory and some on disk.
<#tdb_dataset_readwrite> rdf:type ja:RDFDataset ;
ja:defaultGraph <#infModel> .
That is an in-memory dataset with a default graph that is the infModel.
By "in-memory" I mean the data structure for the dataset, the named
graph map, is in-memory. One graph is persistent - the default graph
indirectly
ja:baseModel <#tdbGraph>;
so the base graph is persistent but the inferences are held in memory.
If you add named graphs, they end up in-memory. That's the default
place ja:RDFDataset will create graphs.
fuseki:dataset needs to be a tdb:DatasetTDB for the whole dataset to be
persistent. Hooking up the (graph-based, memory-based) reasoner isn't
going to work for new graphs created in a dataset.
Andy
