Mapping
Definition: Mapping (at times called crosswalking) is matching a data element in one location with a data element in another location. Mapping is typically used to show which data element in a source file will be moved into a designated field ...
Master
Definition: Master is the name of the top level option set in the hierarchy for an option set that is a subset within an option set hierarchy. For example, the option set "Primary grade codes" (grades K-3) are a subset of ...
Master Person Index (MPI)
Definition: The master person index is a computer application that matches individual records from different data systems. The MPI must facilitate the extract, transform, and load (ETL) processes that bring the data together. The MPI has a database that assigns a ...
Max Value
Definition: Max Value is the maximum value allowed for the data. What This Means: A term that is functional for users of ESP's metadata dictionary tool, called DataSpecs. DataSpecs is used when developing an education agency's data dictionary. Need another definition?
Max Yield Data
Definition: Max Yield Data are those data that everyone agrees are worth the effort required to collect, clean, and report them. What This Means: Data reporting burden and information overload are symptoms of today’s explosion in the data we have available to ...
Mbps
Definition: Megabits (i.e., 1 million bits) per second. A measure of data transmission speed. Need another definition?
Megabyte (MB)
Definition: A measurement of computer storage that equals 1,048,576 bytes (1,024 Kilobytes). Bytes are typically represented in computer terminology by an upper case "B." Also known as a "meg." Need another definition?
Metadata
Definition: Data about data, metadata are used to facilitate the understanding, characteristics, use, and management of data. What This Means: Every education agency must have control over its metadata. Metadata standards are part of a comprehensive Information Systems Architecture. Metadata are the ...
MHz (MegaHertz)
Definition: One million cycles per second equals one megahertz. MHz is the unit used to measure the transmission speed of electronic devices, including networks. One-gigahertz means one billion times per second. What This Means: The more MHz, the faster something exchanges information. ...
Middleware
Definition: Software that helps glue systems together by connecting applications on a network. Also the name of a unit in the Application Development department of IET. Need another definition?
