XSLT stands for eXtensible Stylesheet Language Transformation. It just transform the style of the XML file. Additionaly, it can read other XML file to get more information.
You can get more information here:
Once the XSLT file is created, you can do this in netbeans:
1. Right click on the xsl file and select "XSL Transformation"
2. Choose the first XML file that you want to parse. In the "Process Output" choose "Do nothing".
3. You can also set the name of the output file.
4. Press OK.