| Περίληψη: | e-Informational systems based on the Internet infrastructure and services like e-mail, WWW, etc., are a
de-facto option for various educational realms, in order to enhance the quality and diversity of services
offered to their educators and students. On the other hand, despite the fact that pure mobile services
like short message service (SMS) or multimedia message service (MMS) have managed to highly
penetrate the wireless market to a great degree and gain users’ wide acceptance, are rarely employed to
support or offer informational services in the context of education. In this paper, we describe in detail a
fully functional SMS-oriented mobile-informational (m-informational) system named Pandora that was
designed and developed from the onset to speci?cally support a plethora of services obtainable mainly
by the students of our university. The analysis and our contribution are two-fold starting from the
theoretical background and continuing to the technical part of the Pandora system. We present and
discuss several issues, including the different services that Pandora supports, system architecture,
Pandora’s box, core, Web services, security, etc. We demonstrate that the proposed system is practical to
implement, flexible, effective, secure, affordable and above all scalable and potentially extensible. |
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English