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A digital object identifier (DOI) is a persistent identifier or handle used to uniquely identify various objects, standardized by the International Organization for Standardization (ISO). [2] DOIs are an implementation of the Handle System ; [ 3 ] [ 4 ] they also fit within the URI system ( Uniform Resource Identifier ).
The system currently provides the underlying infrastructure for such handle-based systems as Digital Object Identifiers (DOI) and DSpace, which are mainly used to provide access to scholarly, professional and government documents and other information resources.
A digital object identifier (DOI) is a unique persistent identifier to a published work, similar in concept to an ISBN. Wikipedia supports the use of DOI to link to published content. Where a journal source has a DOI, it is good practice to use it, in the same way as it is good practice to use ISBN references for book sources.
A good example of metadata is the cataloging system found in libraries, which records for example the author, title, subject, and location on the shelf of a resource. Another is software system knowledge extraction of software objects such as data flows, control flows, call maps, architectures, business rules, business terms, and database schemas.
In computing, object identifiers or OIDs are an identifier mechanism standardized by the International Telecommunication Union (ITU) and ISO/IEC for naming any object, concept, or "thing" with a globally unambiguous persistent name.
In 1996, the Association of American Publishers announced that R. R. Bowker and the CNRI had been selected to design a Digital Object Identifier system. The effort was initiated after a year-long study of the need for a system to identify electronic copyright ownership and to manage the digital purchase of rights. [7]
The Entertainment Identifier Registry, or EIDR, is a global unique identifier system for a broad array of audiovisual objects, including motion pictures, television, and radio programs. The identification system resolves an identifier to a metadata record that is associated with top-level titles, edits, DVDs , encodings, clips, and mashups .
Information objects have descriptive metadata, information about the object that could be used to discover, access and identify the digital object. This metadata is, however, not enough to preserve the digital objects in the long-term. For example, the digital object's file format can become obsolete and unusable by future software applications ...