Wei-Chung Liu

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In order to better understand several cellular processes, it is helpful to study how various components make up the system. This systems perspective is supported by several modelling tools including network analysis. Networks of protein-protein interactions (PPI networks) offer a way to depict, visualize and quantify the functioning and relative importance(More)
Microbial interactions are ubiquitous in nature. Recently, many similarity-based approaches have been developed to study the interaction in microbial ecosystems. These approaches can only explain the non-directional interactions yet a more complete view on how microbes regulate each other remains elusive. In addition, the strength of microbial interactions(More)
A major challenge in mathematical modeling of biological systems is to determine how model parameters contribute to systems dynamics. As biological processes are often complex in nature, it is desirable to address this issue using a systematic approach. Here, we propose a simple methodology that first performs an enrichment test to find patterns in the(More)
Nowadays, most people care about their personal health, no matter mental or physical health in their daily life. They sustain and improve their health status with exercise, diet control, adopt good sleep habit, keep natural patterns on sleeping and bowel movement. These people need a tool for monitor and record long-termly their own health status. On the(More)
—In large-scale networks, certain topological patterns may occur more frequently than expected from a null model that preserves global (such as the density of the graph) and local (such as the connectivity of each node) properties of the graph. These network motifs are the building blocks of large-scale networks and may confer functional/mechanistic(More)
This study was designed to assess how bicyclists (30 men, 30 women) responded to right-turning motorised vehicles, which is a risky situation for bicyclists, and employed a scenario in which a motorcycle made a right turn in front of a bicyclist. The factors of speed difference and cut-in time gap were generated to objectively investigate steering control,(More)
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