Viet-Anh Phan

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AIM To examine the nature of dental anxiety in paediatric patients, and to identify factors relevant to paediatric dental anxiety in a sample of 5 to 17 year-old children residing in Cairns, Australia. MATERIALS AND METHODS A convenient sample of 125 children, their parents and corresponding student practitioners were selected. Each was assessed with(More)
This paper presents our method to retrieve relevant queries given a new question in the context of Discovery Challenge: Learning to Re-Ranking Questions for Community Question Answering competition. In order to do that, a set of learning to rank methods was investigated to select an appropriate method. The selected method was optimized on training data by(More)
Support Vector Machines (SVMs) are widely known as an efficient supervised learning model for classification problems. However, the success of an SVM classifier depends on the perfect choice of its parameters as well as the structure of the data. Thus, the aim of this research is to simultaneously optimize the parameters and feature weighting in order to(More)
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