Published: Jan 1991
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Construction of all databases requires an underlying “data model,” either implicit or explicit. The different options for data models for materials property data are an appropriate subject for standardization because they require agreed specifications for the formats of catalogs, data dictionaries, or thesauri. An understanding of these underlying data models is also crucial in deriving useful and flexible data interchange formats. This paper shows that a “layered” approach in constructing data dictionaries can be helpful both in setting up databases and in defining interchange formats.
The problems of adopting new software techniques and accepting innovations in models for materials data have a powerful effect on how best to present such ideas such that they are of most use.
materials databases, computers, materials data banks, abstraction, associativity, catalog, data, data bank, database, data dictionary, data model, format, interchange, layered approach, materials, metadata, nonbibliographic, numeric, properties, protocol, relational model, semantic data models, syntax, tables, tabular databases, data thesaurus
Advanced research fellow, Cambridge University, Cambridge,
Paper ID: STP17678S