• identifier1. A proper name (or its abbreviation or acronym) of an institution, person, place, object, or process, optionally treated as a category of heading distinct from terms. Identifiers may be held in a separate file (compare authority file), and their form may be controlled (e.g., the name of an ...
  • indexing1. A method by which terms or subject headings from a controlled vocabulary are selected by a human or computer to represent the concepts in or attributes of a content object. The terms may or may not occur in the content object. 2. An operation intended to represent the results of the content ...
  • indexing languageA controlled vocabulary or classification system and the rules for its application. An indexing language is used for the representation of concepts dealt with in documents [content objects] and for the retrieval of such documents [content objects] from an information storage and retrieval ...
  • indexing termThe representation of a concept in an indexing language, generally in the form of a noun or noun phrase. Terms, subject headings, and heading-subheading combinations are examples of indexing terms.
  • information storage and retrieval systemA set of operations and the associated equipment, software, and documentation by which content objects are indexed and the data are stored, so that selected content objects can be retrieved in response to requests employing commands that can be handled by the system.
  • initialismA set of initials by which something is known in preference to the full form of its name. Example: IBM, ICBM. See also acronym.
  • interoperabilityThe ability of two or more systems or components to exchange information and use the exchanged information without special effort on the part of either system.