You have reached ns.nsdl.org. This area contains schemas, transforms, and configuration files that were developed initially as part of the National Science Digital Library (NSDL) with the support of the National Science Foundation (NSF).
The schemas, transforms, and configuration files at ns.nsdl.org continue to be used to support a number of projects and systems.
nsdl_dc and ingest schemas
Digital Collection System (DCS) / NSDL Collection System (NCS) schemas, and related schemas