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Data clustering is one of the most important tasks in machine learning and data mining, which aims to discover structure and the relational between observations inside data sets. In many situations, side information about the clusters is available in addition to the values of the features. For example, the cluster labels of some observations may be known (called seeds), or certain observations may...
Mobile platform pervades human life, and much research in recent years has focused on improving the reliability of mobile applications on this platform, for example by applying automatic testing. However, researchers have primarily considered testing of single version of mobile applications. Although regression testing has been extensively studied for desktop applications, the approaches for desktop...
Coupled Tensor Factorization (CTF) has become one of the most popular methods for joint analysis of high dimensional data generated from multiple sources. The goal of CTF is to factorize correlated datasets into latent factors efficiently. This research was taken with a particular goal of improving the accuracy of CTF. It is important to optimize the factorization of each single tensor of the coupled...
This paper reports our effort to establish the desirable characteristics for the next generation asthma APP for an underserved population. Proposed asthma mobile APP aims to promote older adults' positive adjustment to this chronic disease by being an effective tool for patients to track their personal asthma triggers, predict asthma attacks, support asthma self-management and communicate with healthcare...
We introduce in this paper a metric learning approach for automatic sleep stage classification based on single-channel EEG data. We show that learning a global metric from training data instead of using the default Euclidean metric, the k-nearest neighbor classification rule outperforms state-of-the-art methods on Sleep-EDF dataset with various classification settings. The overall accuracy for Awake/Sleep...
The grounding grid of a substation is one of the most important parts in an electrical system from the point of view of the safety of the people and equipment. Depending on the nature of the phenomena involved in the system is fault or lightning current, the behavior of grounding system is considered under steady state or transient point of view. For safety purpose of grounding grid, the ground resistance...
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