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The basis for STEP was the Product Data Exchange Specification (PDES), which was initiated during the mid-1980's and was submitted to ISO in 1988. [ 4 ] [ 5 ] The Product Data Exchange Specification (PDES) was a data definition effort intended to improve interoperability between manufacturing companies, and thereby improve productivity.
STEP-file is a widely used [1] data exchange form of STEP. ISO 10303 can represent 3D objects in computer-aided design (CAD) and related information. Due to its ASCII structure, a STEP-file is easy to read, with typically one instance per line. The format of a STEP-file is defined in ISO 10303-21 Clear Text Encoding of the Exchange Structure. [2]
Each step consists of a series of statements. [5] The DATA step has executable statements that result in the software taking an action, and declarative statements that provide instructions to read a data set or alter the data's appearance. [4] The DATA step has two phases: compilation and execution.
Some typical applications of data models include supporting the development of databases and enabling the exchange of data for a particular area of interest. Data models are specified in a data modeling language. [2] EXPRESS is a data modeling language defined in ISO 10303-11, the EXPRESS Language Reference Manual. [3]
While SAS was originally developed for data analysis, it became an important language for data storage. [5] SAS is one of the primary languages used for data mining in business intelligence and statistics. [29] According to Gartner's Magic Quadrant and Forrester Research, the SAS Institute is one of the largest vendors of data mining software. [24]
a memory manager, including a garbage collector, needed by the huge size of the intermediate data, which may appear during a computation, an arbitrary-precision arithmetic, needed by the huge size of the integers that may occur, a large library of mathematical algorithms and special functions.
SEMMA is an acronym that stands for Sample, Explore, Modify, Model, and Assess.It is a list of sequential steps developed by SAS Institute, one of the largest producers of statistics and business intelligence software.
It is a very comprehensive set of specifications covering many different product types and many life cycle phases. STEP uses the neutral ISO 10303-11 format, also known as an EXPRESS schema. EXPRESS defines not only the data types but also relations and rules applying to them. [5] STEP supports data exchange, data sharing and data archiving ...