Abstract:
Emerging high bandwidth wireless infrastructure such
as WiFi and Bluetooth networks make possible mobile
applications that involve automated “conversations”
between mobile devices and other land-based systems. By
automated is meant that communication does not
necessarily require human initiation or intervention. Such
applications have been previously economically unviable
on GSM/ GPRS networks due to the costs per call and/ or
per data volume and technically challenging as providing
for run-time flexibility in such communication poses
semantic encoding difficulties. Nevertheless such
applications are particularly well suited to mobile device
interfaces, which have input and display limitations, as
they minimize the required level of human user input. In
this paper we propose a two-tier architecture for simple
database-centric mobile applications, capable of such
automated communication, that uses polymorphism to
achieve run-time flexibility.
