The word comes from the Greek word "σχήμα" (skhēma), which means '''shape''' or more generally '''plan'''. While a Scheme refers to a loosely described plan, a schema usually refers to specific, well documented, and consistent plans.
The Greek plural is "σχήματα" (skhēmata). In English literature, both and '''schemata''' are used as the plural form of "schema".
The word '' can represent any of several different things:
- In Computer Science , a schema is a model
- --- An XML Schema provides a means for defining the structure, content and to some extent, the semantics of XML documents.
- --- A description of the structure of a , Conceptual Schema , Sowa's Conceptual Graph , Semantic Network , Berners-Lee's Semantic Web , Active Directory , Data Model
- --- Part of a formal specification written in the Z Specification Language .
- --- In , Disruption , Effective Fitness , Length Of A Schema , Order , Wild-card Symbol
- In Formal Logic , a rule (usually Recursively Definable ) describing a set (usually Infinite ) of statements. For example, the Axiom Schema Of Replacement is a schema of Axiom s in Axiomatic Set Theory .
- A minimal and specialized Ontology , i.e., a list of questions, answers to which describe what exists in the world. This includes only what is required for some narrow range of actions; e.g., a library Card Catalogue schema asks librarians only to provide enough information about the book to help library users decide if they want to browse through it, and if so, how to find it. By contrast, an Ontology enables a much broader range of actions, e.g., all of those normally associated with a working Trade or Profession .
- In Psychology or the Theory Of Cognitive Development , a Schema is a mental set or representation. The mental representation of a concept can be Assimilation to match an existing schema (representing the concept according to a preexisting schema), or Accommodation (modifying an existing schema to adapt to the environment).
- The Schema and the Great Schema (Μεγαλοσχήμος) are part of the monastic attire of advanced Monk s and Nun s in the Eastern Orthodox Church .
- Prior Knowledge .
- In Kant 's Philosophy , a Schema is the referencing of a category to a sense impression through time.
See also Scheme .
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