Jena TDB with Java x64

2013-04-18 Thread Alex Shapiro
Hello, Everything I've read about jena working in x64 environment tells that it should work faster than on x86. But somehow when we migrated our system form x86 to x64 (Java 6 update 14, both 32 and 64 bit versions) we encountered a slowdown in jena's performance - it works about 3 times slower

Re: Jena TDB with Java x64

2013-04-18 Thread Andy Seaborne
On 18/04/13 12:11, Alex Shapiro wrote: Hello, Everything I've read about jena working in x64 environment tells that it should work faster than on x86. But somehow when we migrated our system form x86 to x64 (Java 6 update 14, both 32 and 64 bit versions) we encountered a slowdown in jena's

Re: Jena TDB with Java x64

2013-04-18 Thread Paul Gearon
On Thu, Apr 18, 2013 at 7:50 AM, Andy Seaborne a...@apache.org wrote: On 18/04/13 12:11, Alex Shapiro wrote: Hello, Everything I've read about jena working in x64 environment tells that it should work faster than on x86. But somehow when we migrated our system form x86 to x64 (Java 6

equivalent classes in two ontology

2013-04-18 Thread aarthi
hi ... i have two ontology. some how i found the equivalent classes in that two ontology. l need to create a relation between these two classes, that they are equivalent. how to do this in jena?

Re: equivalent classes in two ontology

2013-04-18 Thread Joshua TAYLOR
On Thu, Apr 18, 2013 at 2:31 PM, aarthi aarthirajara...@gmail.com wrote: hi ... i have two ontology. some how i found the equivalent classes in that two ontology. l need to create a relation between these two classes, that they are equivalent. how to do this in jena? You want

what are the tools used to merge two ontologies

2013-04-18 Thread suganya
Hi can anyone suggest what are the tools we can use to merge two ontologies? -- with regards. sugan,...

Re: equivalent classes in two ontology

2013-04-18 Thread aarthi
thanks Joshua Taylor On Fri, Apr 19, 2013 at 12:22 AM, Joshua TAYLOR joshuaaa...@gmail.comwrote: On Thu, Apr 18, 2013 at 2:31 PM, aarthi aarthirajara...@gmail.com wrote: hi ... i have two ontology. some how i found the equivalent classes in that two ontology. l need to create a relation

Re: rdfcat tool working error

2013-04-18 Thread Chris_Dollin
On Tuesday, April 16, 2013 08:13:13 AM suganya wrote: Hi After setting up classpath for jena i executed the below line java jena.rdfcat but am getting could not find or load main class jena.rdfcat is there any wrong? Show us exactly how you set the class path and exactly how you invoked