Hi Antonio,

Please see the response here:

http://answers.semanticweb.com/questions/18659/improve-performance-insertupdate-owlim-lite

Regards,
barry

Barry Bishop
OWLIM Product Manager
Ontotext AD
Tel: +43 650 2000 237
email: [email protected]
skype: bazbishop
www.ontotext.com

On 13/09/12 07:22, antonio nunziante wrote:

Hi all,

I have a problem with performances especially in INSERT and DELETE/INSERT query sparql.

I have implemented an ontological model with the following characteristics:
OWL Profile = OWL 2 QL
DL Expressivity = ALCH(D)
Axioms = 719
Logical Axioms = 487
GCI Axioms = 0
Individuals = 0
Classes = 39
Object Properties = 54
Data Properties = 24
Annotation Properties = 4

I create an OWLim-Lite repository in openrdf-workbench (I have already installed owlim-lite-4.3.4238) on Tomcat 7 and I reserved 4GB to Tomcat. With few instances every SPARQL query works, but now into the store there are more or less 64000 statements and INSERT and DELETE/INSERT needs to much time (I need to interface the semantic repository with a web application).

How can I improve performances?

Thanks in advance

--

//Antonio Nunziante//



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