data dictionary definition
111Semantic equivalence — In computer metadata, semantic equivalence is a declaration that two data elements from different vocabularies contain data that has similar meaning. There are three types of semantic equivalence statements:* Class or concept equivalence. A… …
112Unisys DMSII — The Unisys Data Management System II ( DMSII ) is a hierarchical database created by the Burroughs Corporation in 1972. As well as having a programmatic interface to high level languages, it has been associated with the proprietary DMInquiry and… …
113Oral history — is the collection and study of historical information about individuals, families, important events, or everyday life using audiotapes, videotapes, or transcriptions of planned interviews. These interviews are conducted with people who… …
114Vocabulary-based transformation — In metadata, a vocabulary based transformation (VBT) is a transformation aided by the use of a semantic equivalence statements within a controlled vocabulary.Many organizations today require communication between one or more computers. Although… …
115P-value — In statistical significance testing, the p value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true. One often rejects the null hypothesis when the …
116Biological psychiatry — Biological psychiatry, or biopsychiatry is an approach to psychiatry that aims to understand mental disorder in terms of the biological function of the nervous system. It is interdisciplinary in its approach and draws on sciences such as… …
117Domestic violence in the United States — Part of a series on Violence against women …
118Reflection (computer science) — In computer science, reflection is the process by which a computer program can observe and modify its own structure and behavior. The programming paradigm driven by reflection is called reflective programming .In most modern computer… …
119Precognition — Premonition redirects here. For other meanings, see Premonition (disambiguation). Part of a series of articles on the paranormal Main articles Afterlife · Astral projection · Aura · Clairvoyance  …
120OLAP cube — An OLAP cube (for online analytical processing) is a data structure that allows fast analysis of data.[1] It can also be defined as the capability of manipulating and analyzing data from multiple perspectives. The arrangement of data into cubes… …
