Hung-Li Chen

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Topic The proposed project falls into the realm of personal analytics. By investigating personal activity log data, we are interested in exploring the pattern of time expenditure on activities of interest. These activities all belong to goals that one commits to or wants to do over a long time span, for instance, take a course at school, exercise more, or(More)
Fig. 1. User interface of Schedulvis composed of the calendar view and the timeline view. The calendar view is the top half with red colour map and the timeline view contains the blue components at the bottom. Abstract— Personal time logs are collected by many people to provide insights of their work patterns and life patterns. However, the visualizations(More)
Differential privacy is a recent notion of data privacy protection, which does not matter even when an attacker has arbitrary background knowledge in advance. Consequently, it is viewed as a reliable protection mechanism for sensitive information. Differential privacy introduces Laplace noise to hide the true value in a dataset while preserving statistic(More)
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