Hongjin Yeh

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which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Building a global Network Relations with the internet has made huge changes in personal information system and even comments left on a webpage of SNS(Social Network Services) are appreciated as important elements that would(More)
All-to-all broadcast scheduling problems are considered in WDM optical passive star networks where k wavelengths are available in the network. It is assumed that each node has exactly one tunable transmitter and one xed tuned receiver. All transmitters can tune to k diierent w avelengths, and have the same tuning delay to tune from one wavelength to(More)
With the rapid growth of information technologies, mobile devices have been utilized in a variety of services such as e‐commerce. When a remote server provides such e‐commerce services to a user, it must verify the legitimacy of the user over an insecure communication channel. Therefore, remote user authentication has been widely deployed to verify the(More)