… . To significantly automate model migration, operator-based approaches provide … migration. The success of an operator-based approach highly depends on the library … an extensive catalog of coupled operators that is based both on a literature survey …
SLE 2010: 163-182 [doi]… An axiomatic algebraic calculus of modules is given that is based on the operators combination/union, export, renaming, and taking the visible signature. Four different models of module algebra are discussed and compared. …
JACM, 37(2):335-372, April 1990. [doi]… physical operators, called LookUp (LU) and Sort-Merge-based (SM), along … of such an infrastructure are the physical operators that are available to the execution engine, to turn queries into execution plans. Such operators …
edbt 2010: 171-182 [doi]