Understanding Preserva.on Metadata: PREMIS vs. OAIS Preserva.on metadata is a vital part of any ins.tu.on’s digital cura.on workﬂow. Thorough knowledge of preserva.on metadata best prac.ces can mean the diﬀerence between eﬀec.ve and ineﬀec.ve storage of digital objects. Below, a very brief introduc.on to PREMIS and OAIS. • PREMIS = Preserva.on Metadata: Implementa.on • OAIS = Open Archival Informa.on System Strategies • Conceptual reference model (not an implementa.on • Resources include a data dic.onary, XML schema, and schema) meant to preserve informa.on over an extended documenta.on detailing best prac.ces. period of .me and provide user access to archival • Can be considered an elabora.on on OAIS, though there informa.on. are some diﬀerences in terminology. • Simpliﬁes the daun.ng prospect of digital preserva.on by • Cross-‐ins.tu.onal—an important step toward stripping the process down to the basics—without placing standardized prac.ce for managing digital preserva.on limita.ons on an organiza.on’s technical or procedural metadata. preferences. • The data model deﬁnes the ﬁve most important en..es to • Provides six func.onal en..es: ingest, archival storage, digital preserva.on: intellectual en..es, objects, events, data management, administra.on, preserva.on planning, rights and agents (see below). and access (see below).