“…Alemu, Stevens, and Ross argue that "a social constructivist approach should be adopted by libraries and other cultural heritage institutions" and that collaborative metadata approaches, where users contribute metadata and there are terms assigned from a controlled vocabulary, will enhance interoperability by allowing for the representation of multiple viewpoints. 61 As an example of the social constructivist approach, the Center for Colorado and the West at Auraria Library worked with members of Native American tribes and the Latino community to provide enhanced descriptions of digitized materials. 62 Other articles by Anfinnsen, Ghinea, and de Cesare, Lee and Schleyer, and Stvilia, Jörgensen, and Wu explore how user-generated tags and folksonomies can complement, but not replace, controlled vocabularies.…”