This paper introduces a visual query system for geographical information systems, which is easy to use for non-professional persons. The system creates a new iconic metaphor — a ...
A multiple representation database contains several geographic datasets defined at different resolutions covering the same area. Objects within the different datasets that repre...
Concepts of metadata visualization have been developed in order to help users in understanding of metadata about geographic datasets. These concepts apply graphic samples and four ...
Recently, along with the breakthrough of the Internet and mobile environment, the development towards screen maps used as intelligent user interfaces appears to be emergent. This m...
Advances in Internet and network technology and the rapidly growing number of mobile personal devices result in the fast growth of Mobile E-Commerce, M-Commerce. In this paper we v...
Aphrodite Tsalgatidou, Jari Veijalainen, Jouni Mar...