We present an approximation scheme for optimizing certain Quadratic Integer Programming problems with positive semidefinite objective functions and global linear constraints. Thi...
Aliasing is endemic in object oriented programming. Because an object can be modified via any alias, object oriented programs are hard to understand, maintain, and analyse. Flexibl...
: The challenge of finding appropriate learning objects is one of the bottlenecks for end users in Learning Object Repositories (LORs). This paper investigates usability problems o...
Jehad Najjar, Joris Klerkx, Riina Vuorikari, Erik ...
Product configuration management is presented as a practical application for a prototype-based object model. Data model requirements for a configuration system are first introduced...
ion and Refinement Hyunyoung Kil Wonhong Nam Dongwon Lee The Pennsylvania State University, University Park, PA 16802, USA {hykil, wnam, dongwon}@psu.edu The behavioral descriptio...