We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
Information about a software system's execution can help a developer with many tasks, including software testing, performance tuning, and program understanding. In almost all...
Robert J. Walker, Gail C. Murphy, Jeffrey Steinbok...
Abstract. The problem of testing membership in the subset of the natural numbers produced at the output gate of a {∪, ∩,− , +, ×} combinational circuit is shown to capture a...
Although conceived for web services, it is shown how BPEL (Business Process Execution Language) can be used to orchestrate a collection of grid services. This is achieved using th...
Executable formal speci cation can allow engineers to test (or simulate) the speci ed system on concrete data before the system is implemented. This is beginning to gain acceptance...