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This paper provides an overview of the Express-X language, a language that provides structural information mapping of information modeled in EXPRESS schema. The paper presents the design rationale for Express-X. The paper also serves as a tutorial in information mapping of EXPRESS-based information models and its relation to SQL mapping capabilities.
Sanderson, D.
and Denno, P.
(2000),
Structural Information Mapping with Express-X, ACM Sigplan Notices, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821097
(Accessed December 9, 2023)