In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
The main purpose of this work is to develop an intelligent tutor system coupled to a robotics virtual laboratory, in order to offer a tutored virtual learning environment. The stu...
Abstract. This chapter presents a formalization of functional and behavioural requirements, and a refinement of requirements to a design for CoCoME using the Relational Calculus o...
Zhenbang Chen, Abdel Hakim Hannousse, Dang Van Hun...
Abstract: A closer look at typical information systems shows that relatively simple routines often contribute significantly to the overall expenses of the software development proc...
Model Driven Performance Engineering (MDPE) enables early performance feedback in a MDE process, in order to avoid late identification of performance problems which could cause si...
Mathias Fritzsche, Wasif Gilani, Ivor T. A. Spence...