Accept RDF data using java code

Hello,
I am trying to write a java code that helps in accepting the RDF(resource description framework) data and finally output the file in csv format. Can I get some help regarding this?
Regards

General solution.
1. Determine the exact format of the RDF. This has nothing to do with code.
2. Determine the exact format of the csv. This has nothing to do with code.
3. Write, find or buy a RDF parser.
4. Write, find or buy a csv output routine (most likely write)
5. Wrap 3 (RDF parser) in convienence class(es) to match what you have found in 1.
6. Wrap 4 (csv output) in a convienence class(es) to match what you have found in 2.
7. Write glue code that combines 5 and 6 into an application.

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