handling metadata with multiple values

[Robert Hanisch]

In the last day or so I have been looking at the project called DSpace
(www.dspace.org).  DSpace has a metadata schema based on Dublin Core, like
ours, and uses OAI.  I noticed that the way they handle metadata elements
that may have a list of values, such as the authors of a paper, is by
repeating the metadata element, e.g.,

Creator = R. Hanisch
Creator = T. Linde
etc.

for as many entries as are needed.  Can anyone comment on the merits of this
approach vs. what we are doing?  Perhaps it does not matter.

Bob