Few Questions of Omeka


I have a few questions about Omeka.

Support Omeka
image formats like: jpg, tiff, raw, gif, png or psd?
video formats like: avi, mpeg?
audio formats: mp3, wav?
text formats like: txt, doc, xls, ppt, rtf, pdf?

Support Omeka beside dublin core other metadata standards like


Is Omeka OAIS-compliant?

What are the opportunities in user management? Can I also access rights for individual objects, Can I protect objects with watermark? Is there multi-client capability or version management in Omeka?

Can I use Boolean Operators, thesaurus and search in indices? Can I collect search results in a collective basket?

How many users can work on Omeka?

It would be nice, if you can help me!

Best Regards