According to Szyperski, “a software component is a unit of composition with contractually specified interfaces and explicit context dependencies only”. But it is well known tha...
Abstract. The aim of this paper is to show how the Model Driven Architecture (MDA) can be used in relation with component based software engineering. A software component only exhi...
This paper deals with the evaluation of acyclic Boolean conjunctive queries in relational databases. By well-known results of Yannakakis [1981], this problem is solvable in polynom...
The utility problem occurs when the cost of the acquired knowledge outweighs its bene ts. When the learner acquires control knowledge for speeding up a problem solver, the bene t ...