Published: Nov 1993
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One of the important tasks associated with the design phase of a materials properties database is defining and understanding the exact nature of the data to be stored in the database. Among the key questions are: (1) What are the data types: character strings, numbers, numerical arrays, graphics, images? (2) For numerical data, what is their format: integer, floating point, exponential? How many decimals? How many significant figures? (3) What metadata need to be associated with the data, and what is their form?
Senior research associate, E.I. Du Pont de Nemours & Company, Inc., Wilmington,