The MicroArray and Gene Expression (MAGE) group is a project of the FGED Society to develop a standard for the representation of gene expression data from microarrays to facilitate the exchange of information between different data systems. MAGE has in the past worked with the OMG (Object Management Group), which provided a framework for developing, ratifying, and publishing the MAGE-based standards documents. The MAGE standards include a data exchange model (MAGE-OM: Microarray Gene Expression – Object Model) and data exchange formats (MAGE-ML: Microarray Gene Expression – Markup Language; MAGE-TAB: Microarray Gene Expression – Tabular format) for microarray expression experiments.