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Resource Name
MicroArray and Gene Expression Markup Language
RRID:SCR_003023 RRID Copied      
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MicroArray and Gene Expression Markup Language (RRID:SCR_003023)
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Resource Information

URL: http://www.mged.org/Workgroups/MAGE/mage-ml.html

Proper Citation: MicroArray and Gene Expression Markup Language (RRID:SCR_003023)

Description: A language / data exchange format designed to describe and communicate information about microarray based experiments that is based on XML and can describe microarray designs, microarray manufacturing information, microarray experiment setup and execution information, gene expression data and data analysis results. MAGE-ML has been automatically derived from Microarray Gene Expression Object Model (MAGE-OM), which is developed and described using the Unified Modelling Language (UML) -- a standard language for describing object models. Descriptions using UML have an advantage over direct XML document type definitions (DTDs), in many respects. First they use graphical representation depicting the relationships between different entities in a way which is much easier to follow than DTDs. Second, the UML diagrams are primarily meant for humans, while DTDs are meant for computers. Therefore MAGE-OM should be considered as the primary model, and MAGE-ML will be explained by providing simplified fragments of MAGE-OM, rather then XML DTD or XML Schema. (from the description by Ugis Sarkans) The field of gene expression experiments has several distinct technologies that a standard must include. These include single vs. dual channel experiments, cDNA vs. oligonucleotides. Because of these different technologies and different types of gene expression experiments, it is not expected that all aspects of the standard will be used by all organizations. Given the massive amount of data associated with a single set of experiments, it is felt that Extensible Markup Language (XML) is the best way to describe the data. The use of a Document Type Definition (DTD) allows a well-defined tag set, a vocabulary, to describe the domain of gene expression experiments. It also has the virtue of compressing very well so that files in an XML format compress to ten percent of their original size. XML is now widely accepted as a data exchange format across multiple platforms.

Abbreviations: MAGE-ML

Synonyms: MicroArray and Gene Expression Markup Language

Resource Type: interchange format, narrative resource, data or information resource, standard specification, markup language

Keywords: microarray, gene expression, bioinformatics

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This resource

is listed by

3DVC

is related to

MADAM

is related to

MIAME

is related to

RNA Abundance Database

has parent organization

European Bioinformatics Institute

has parent organization

MAGE

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