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- W4245954940 abstract "Legacy systems, from a data-centric view, could be defined as old, business-critical, and standalone systems that have been built around legacy databases, such as IMS or CODASYL, or legacy database management systems, such as ISAM (Brodie & Stonebraker, 1995). Because of the huge scope of legacy systems in the business world (it is estimated that there are 100 billion lines of COBOL code alone for legacy business systems; Bianchi, 2000), data reengineering, along with its related step of program reengineering, of legacy systems and their data constitute a significant part of the software reengineering market. Data reengineering of legacy systems focuses on two parts. The first step involves recognizing the data structures and semantics followed by the second step where the data are converted to the new or converted system. Usually, the second step involves substantial changes not only to the data structures but to the data values of the legacy data themselves (Aebi & Largo, 1994)." @default.
- W4245954940 created "2022-05-12" @default.
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- W4245954940 date "2011-01-01" @default.
- W4245954940 modified "2023-09-29" @default.
- W4245954940 title "Data Reengineering of Legacy Systems" @default.
- W4245954940 doi "https://doi.org/10.4018/978-1-61692-852-0.ch113" @default.
- W4245954940 hasPublicationYear "2011" @default.
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