使用EMF处理多个xml文件

I have multiple data files (own XML formats, XSD Schema available for each format) which I want to load into my Eclipse RCP. I thought about of using EMF for that task and find several information about it. Is it possible to have exactly one EMF model (which is - as far as I know - saved as XMI file) which uses the model instance which is build of all XML files?I have multiple data files (own XML formats, XS