Re: feature subset selection using Ontology

2018-08-08 Thread Lorenz Buehmann
Javed...I don't know how many mails you wrote to this list (and the Protege Users list), but shouldn't you already have learned that you have to provide more information, data, code, queries, use case, etc. in order to get help?! What do you expect as an answer on a question "can we ..." - my

Re: Writing an ARQ Extension Function

2018-08-08 Thread Lorenz Buehmann
I'm always wondering how people that are new to Apache Jena still use the old version. I mean, the first hit via Google is the Apache Jena webpage which clearly refers to the latest version. In the current case, he just copied the code example from [1] which indeed uses the old version given that

Re: Writing an ARQ Extension Function

2018-08-08 Thread Andy Seaborne
com.hp.hpl.jena -- that's Jena2. Packages are "org.apache.jena" in Jena3. The code seems to have been compiled against Jena2 and run against Jena3. That won't work. Andy On 08/08/18 18:14, Arunkumar Krishnamoorthy wrote: The java code i am executing is, package samplejena; import

feature subset selection using Ontology

2018-08-08 Thread javed khan
Hello For instance, we have to select some features ( for data mining) , can we do it using Semantic Web technologies like Ontology and SPARQL. ? Thanks

Re: Question about indexing in text search

2018-08-08 Thread Alysson Gomes
Rob, I tried to load the configuration file (the index.ttl) in the Fuseki with the following command: ./fuseki-server --conf /home/alysson/Documents/PUC-Rio/TestJena/tdb-citation-data-en-fuseki-index/index.ttl but when tried run the query [1] appeared this in the logs: TextQueryPF WARN Failed

Re: Writing an ARQ Extension Function

2018-08-08 Thread Arunkumar Krishnamoorthy
The java code i am executing is, package samplejena; import com.hp.hpl.jena.query.expr.NodeValue; import com.hp.hpl.jena.query.function.FunctionBase1; import java.net.*; import java.text.SimpleDateFormat; import java.util.*; public class LastModified extends FunctionBase1 { private static

Re: Writing an ARQ Extension Function

2018-08-08 Thread Arunkumar Krishnamoorthy
Hello Andy, I am getting the following issue when i run the code, Caused by: java.lang.ClassNotFoundException: com.hp.hpl.jena.query.function.FunctionBase1 at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at

Re: TransactionManager ERROR There are now active transactions

2018-08-08 Thread Andy Seaborne
We need to recreate it with a debugger attached. If you could collect the HTTP requests the scripts are making, then with a copy of the data, it might be possible to recreate the situation. Otherwise it's "something happened". I can't see how to recreate it without a use case. Andy