The need for redesigning existing "data-intensive" applications to execute in mobile environments has led to an enormous proliferation of systems that propose a solution to different issues. In this paper, we classify these approaches and give evidence of the lack for code reuse efforts. We introduce the MoleNE system as a set of generic services that aims at providing a systematic approach to build mobile applications. Depending on the generic nature of the provided services, MoleNE architecture is divided into a toolkit and a framework layer. The former provides device management related services. Services of the framework are application-dependent and their customization generates an instance of MoleNE that is well suited to the targeted application. Further, services design allows to easily modify their behavior depending on the application needs.
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