Evolution in software systems: foundations of the SPE classification scheme.

Lehman, Meir M., Wernick, Paul, Harrison, Rachel and Cook, Stephen (2006) Evolution in software systems: foundations of the SPE classification scheme. Journal of Software Maintenance and Evolution Research and Practice., 18 (1) . pp. 1-35. ISSN 1532-0618 [Article] (doi:10.1002/smr.314)

Abstract

This paper re-examines the SPE taxonomy of evolving software systems, first proposed in 1980 (Lehman). It builds on the concept that software evolution is related to generic theories of evolution. A refinement of SPE is proposed that has provided a more productive basis for developing testable hypotheses and models about possible differences in the evolution of software systems than was provided by the original scheme.

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