Jay Datema has a good post at Open Libraries on whether library MARC records should be OA, to encourage use and sharing, or locked down, to prevent harvesting and in particular to prevent commercial use.
Posted by
Peter Suber at 4/14/2007 06:00:00 PM.
The open access movement:
Putting peer-reviewed scientific and scholarly literature
on the internet. Making it available free of charge and
free of most copyright and licensing restrictions.
Removing the barriers to serious research.