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This paper presents ongoing research into enhancing high-level communication capability in multi-agent systems through modeling agent conversations and incorporating distributed conversation managers. First, conversations are formulated as task-oriented descriptive units, called conversation schemata, by capturing interaction patterns, task constraints, and(More)
Education is incorporating more and more of the capabilities provided by the Internet. One such move is the incorporation of 3D virtual worlds in the learning environment. Another is the increasing development of multiagent systems that support the learner or the tutor. Integrating pedagogically based multiagent systems with 3D virtual worlds could provide(More)
This paper describes a research project in progress of developing a Multi-Agent System-based educational game QuizMASter for e-learning that would help students learn their course material through friendly competition. We explore the use of perceptive pedagogical agents that would be able to determine the learner’s attitudes; to assess learners’ emotional(More)
This paper presents an infrastructure for developing problem-based pervasive learning environments. Building such environments necessitates having many autonomous components dealing with various tasks and heterogeneous distributed resources. Our proposed infrastructure is based on a multi-agent system architecture to integrate various components of the(More)
In this study, a new extraction approach for liquid samples--stir cake sorptive extraction using monoliths as extractive medium was developed. The preparation procedure of stir cake is very simple. First, monolithic cake is synthesized according to the in situ polymerization of monolith; then, the cake is inserted in an original unit (holder), which is(More)
Craniopharyngiomas are rare benign sellar region tumors, which are diagnosed either in childhood or adolescence due to local mass effects on visual pathways, pituitary and hypothalamus, or because of an increased intracranial pressure resulting from obstructive hydrocephalus. The neurosurgeons challenge is to achieve tumor control without aggravating the(More)
The concept of mobile learning is often defined as learning that takes place with the help of mobile devices to access course materials; however, these devices operate in different ways and have different capabilities. To make course materials available on these mobile devices as well as on desktop systems, a software program is required to allow course(More)