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Instantiation or instance may refer to:



  • Instance (computer science), referring to any running process, or specifically to an object as an instance of a class
  • Table instance (or database instance), a concept in database design; see Row (database)
  • Creation of an object (a location in memory having a value and possibly referenced by an identifier)
  • Instance can refer to a single virtual machine in a virtualized or cloud computing environment that provides operating-system-level virtualization

Library science[edit]

  • Instantiation of a class or object within the organization of a Body of knowledge.
  • For example, the instantiation class taxonomy within the Wikimedia project Wikisource generally refers to language classes.[1][2]

Other uses[edit]


  1. ^ Indexing and Abstracting, Cleveland, 2013, ISBN 978-1-59884-976-9
  2. ^ Cataloging and classification, Mai Chan, 1994, ISBN 0-07-010506-5