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Parallel coordinate is a popular tool for visualizing high-dimensional data and analyzing multivariate data. With the rapid growth of data size and complexity, data clutter in parallel coordinates is a major issue for Big Data visualization. This has given rise to three problems, (1) how to rearrange the parallel axes without the loss of data patterns, (2)(More)
Inappropriate tweets can cause severe damages on authors' reputation or privacy. However, many users do not realize the negative consequences until they publish these tweets. Published tweets have lasting effects that may not be eliminated by simple deletion because other users may have read them or third-party tweet analysis platforms have cached them.(More)
This paper addresses the problem of spectrum sharing and power allocation in M2M network, in which a licensee and multiple unlicensed M2M devices coexist and operate in the licensed channel in a local area. We develop a connectivity establishment mechanism in M2M network based on the cognitive radio technology, and derive the overall average probabilities(More)
—As the explosive growth of smart devices and the advent of many new applications, traffic volume has been growing exponentially. The traditional centralized network architecture cannot accommodate such user demands due to heavy burden on the backhaul links and long latency. Therefore, new architectures which bring network functions and contents to the(More)