Recently a new model agent-based e-commerce system was proposed, in which rule-based mechanism representation was combined with lightweight modular mobile agent design. Furthermor...
Uncertainty always exists as an unavoidable factor when developing context-aware applications for pervasive computing environments [1][2][3][4]. In this paper, we propose a unifie...
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...