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A new algorithm is proposed for robust principal component analysis with predefined sparsity patterns. The algorithm is then applied to separate the singing voice from the instrumental accompaniment using vocal activity information. To evaluate its performance, we construct a new publicly available iKala dataset that features longer durations and higher quality than the existing MIR-1K dataset for...
Running multiple virtual networks over a shared physical network is a promising way to support diverse applications, consequently network virtualization is viewed as the keystone of the next-generation architecture. However, decoupling the role of traditional ISPs into Infrastructure Providers (InPs) and Service Providers (SPs), also brings some new challenges to us. For example, how to fairly and...
Recently network virtualization is considered as a powerful way to overcome the current ossification of Internet, and is viewed as the keystone of the next-generation network architecture. In network virtualization, virtual network (VN) embedding problem, which assigns virtual nodes and links to physical network, plays an important role. Due to the scarcity of physical resource, efficient and effective...
Usually to finish a complicated task often requires different fields of professionals to contribute his knowledge because no one has the complete knowledge of the task. And if the knowledge is sharing by web pages in internet, users need to visit these pages one by one to grab piece of knowledge we needed on the pages and then integrate it manually. This approach takes lots of effort in searching,...
The current Internet is a wonderful success today and becomes the critical infrastructure for global communication. However, its existing and emerging limitations compel the network research community to solve various problems on the fundamental architecture view for the next generation Internet. In this paper, we focus on the problems in network management, control and measurement, and propose a...
Mechanisms to extract the characteristics of network traffic play a significant role in the traffic monitoring, offering helpful information for network management and control. In this paper, a method based on random matrix theory (RMT) and principal components analysis (PCA) is proposed for monitoring and analyzing large scale traffic pattern of Internet. Besides the analysis of the largest eigenvalue...
Proxy mobile IPv6 (PMIPv6) is being actively standardized by IETF, and its salient features, such as supporting unmodified mobile node (MN), expedite the real deployment of IP mobility management. However, current research and development mainly focus on its unicast mechanism. In this paper, we propose two multicast listener mobility mechanisms for PMIPv6, named LMA-MLM and MAG-MLM, by drawing a lesson...
Applying, modern information management technology to traditional environment field is the sign of making environment protection work modern and the necessitous task that environment protection departments are confronting. Building long-distance control platform on environment urgency incident has become one of the important tasks of safeguarding sustainable environment development in our country...
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