Chee Chern Lim

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All people treasure privacy, linking it to their concept of personal freedom and well-being. Unfortunately, the Internet’s great promise that it facilitates the collection, re-use and instantaneous transmission of information can, if not managed carefully, diminish personal privacy. It is therefore essential, in any application developed, to assure personal(More)
The trend of e-learning technologies is expanding fast. Web-based learning environments are becoming very common in the higher education institutions. Nowadays e-learning management systems are very popular. Many universities throughout the world deliver educational programs via the Internet. Developments of e-learning systems are generating great impact in(More)
The scheduling of tasks in dynamic multitasking computer systems using imprecise (partial) computations is studied. In our system, tasks arrive randomly during run-time, and they are to be processed as quickly as possible. We model the task in such a way that each task has two parts of computation: a mandatory part, and an optional part. The tasks are(More)
In this paper the problems concerning the design of graphical user interface systems composed of a set of interaction objects allowing users to interact with structured graphics are discussed. Each interaction object can have input and output functionality. Here we want to point out the problems and the requirements that are raised in performing such design(More)
Real time e-learning has gained more grounds in recent times. It has allowed bidirectional interactions between the participants in a synchronized manner. When multiple multimedia data streams are uses, synchronization protocol is required both known to the instructor streaming server and student’s PC. Many types of multimedia synchronization protocols are(More)