Schema for information about links from one NSDL metadata record to other NSDL metadata records as exposed by the NSDL OAI repository. For more information, see http://repository.comm.nsdlib.org/cgi-bin/wiki.pl?NSDL_Elements Updated 2003-05-19 Naomi Dushay: version 1.00.001; add strict check on schemaVersion updated - 2002/09/30 version 1.00.000 Updated 2002-09-17 Naomi Dushay: added version attribute to schema, changed targetNamespace, move types to nsdl_types Naomi Dushay - 2002/08/08 13:52:00 A way to express relationships between metadata records, such as aggregations this metadata record is a part of. For exact matches of the first two parts of the schemaVersion with THIS schema's version.