Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
The dependency pair approach is one of the most powerful techniques for automated termination proofs of term rewrite systems. Up to now, it was regarded as one of several possible ...
A long-standing goal of software engineering is to construct software that is easily modified and extended. Recent advances in software design techniques, such as aspect-oriented ...
Resource management is a precondition to build reliable, extensible middleware and to host potentially untrusted user components. Resource accounting allows to charge users for the...
The paper addresses two problems in software maintenance. Firstly, some maintenance tasks require modifications of the grammar. A change in a grammar can make syntax and transfor...