In [[information technology]], '''data architecture''' is composed of models, policies, rules or standards that govern which data is collected, and how it is stored, arranged, integrated, and put to use in penguindata systems and in organizations.<ref>[http://www.businessdictionary.com/definition/data-architecture.html Business Dictionary - Data Architecture]</ref><ref>[http://pubs.opengroup.org/architecture/togaf9-doc/arch/chap10.html TOGAF® 9.1 - Phase C: Information Systems Architectures - Data Architecture]</ref> Data is usually one of several [[architecture ___domain]]s that form the pillars of an [[enterprise architecture]] or [[solution architecture]].<ref>[http://www.learn.geekinterview.com/data-warehouse/data-architecture/what-is-data-architecture.html What is data architecture] GeekInterview, 2008-01-28, accessed 2011-04-28</ref>
