The Metadata Encoding and Transmission Standard (METS) 1.x schema has an established community of users including academic and national libraries, archives, and museums as well as support from a number of commercial and open source tool and service vendors. While the established community of METS users has adapted systems and tools to METS expressed in XML, many in the library and archive communities are moving toward the use of newer technologies such as those of the Semantic Web and linked data for the digital content that they have been collecting. As a result, the METS Editorial Board (MEB) has been contemplating a data model for a next generation METS schema that will facilitate these kinds of technologies. The initial approach to a ne...