A trend in computing environments today is to move towards more ‘natural’ interaction, another is to make hardware invisible to the user. Both these ideas converge into ubiqui...
This paper explores the firewall security and performance relationship for distributed systems. Experiments are conducted to set firewall security into seven different levels and ...
The WWW makes learning materials widely accessible and provides an environment where people can learn across time and space. However, the simple read-only information structure on...
To create successful interactive systems, user interface designers need to cooperate with developers and application domain experts in an interdisciplinary team. These groups, how...
The ability to deliver appropriate information to learners at the most appropriate time is an essential component of good instruction. In the best learning environments, this info...