How to bulk import URLs into Plone
Explains how to bulk import URLs into Plone using xbelplone.py, a little script that I repurposed to parse an XBEL file and create link objects which can then be imported into Plone using WebDAV or FTP.
The link address is: http://plone.org/documentation/howto/BulkImportLinksFromYourBrowserIntoPlone