Modeling curiosity for intelligent agents by Wu, Qiong

“…The virtual peer learner is a Non-player Character that aims to provide a believable virtual environment without direct interactions with users, whereas the virtual learning companion directly interacts with users to enhance their learning experience. …”
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Virtual Singapura by Cheong, Wei Lun.

“…This enables students to experience ancient Singapore in a 3D environment, interact with Non-Player characters (NPCs) and their fellow students and play some mini games while learning about the history and culture. …”
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