> Say I have 20 different systems serving digital objects. > > There is a single server indexing these 20 systems, say by crawling or > harvesting. The server provides a search interface. > The user performs a search against the search server. The records are > retrieved from the digial object servers. ... by the search server, or how does it say to the object server which record schema it wants them in? Or if the object server only returns one schema, then it must get mapped into different schemas at the search server. Also sorting of any type would need to happen at the search server. Or, ... by the client, using the (metadata) record from the search server. Rob -- ,'/:. Rob Sanderson ([log in to unmask]) ,'-/::::. http://www.o-r-g.org/~azaroth/ ,'--/::(@)::. Special Collections and Archives, extension 3142 ,'---/::::::::::. Twin Cathedrals: telnet: liverpool.o-r-g.org 7777 ____/:::::::::::::. WWW: http://liverpool.o-r-g.org:8000/ I L L U M I N A T I