Open Access
ARTICLE
Xiulong Liu1, Mianxiong Dong2, Xiaobo Zhou3
Computer Systems Science and Engineering, Vol.33, No.4, pp. 233-234, 2018, DOI:10.32604/csse.2018.33.233
Abstract This article has no abstract. More >
Open Access
ARTICLE
Anfeng Liu1, Jie Min1, Kaoru Ota2, Ming Zhao3
Computer Systems Science and Engineering, Vol.33, No.4, pp. 235-250, 2018, DOI:10.32604/csse.2018.33.235
Abstract Software-Defined Networking (SDN) is a new network architecture with flexibility and scalability, researchers introduced the core idea of SDN into wireless
network, and a cooperative communication system based on network coding is proposed. In this paper, we carry on an investigation in differentiated service
strategy of network coding cooperative communication system. The meaning of differentiated services is for the different applications take different power
for data transmission and the transmission power is associated with their reliability needs. In other words, transmission power control is performed in the
presence of known reliability, we named the scheme Reliability-Bounded Transmission Power Control (RTPC)… More >
Open Access
ARTICLE
Haisheng Yu1, Heng Qi1, Keqiu Li1, Jianhui Zhang1,Peng Xiao2, Xun Wang1
Computer Systems Science and Engineering, Vol.33, No.4, pp. 251-258, 2018, DOI:10.32604/csse.2018.33.251
Abstract The routing mechanism in Data Center networks can affect network performance and latency significantly. Hash-based method, such as ECMP (Equal-Cost
Multi-Path), has been widely used in Data Center networks to fulfill the requirement of load balance. However, ECMP statically maps one flow to a path
by a hash method, which results in some paths overloaded while others remain underutilized. Some dynamic flow scheduling schemes choose the most
underutilized link as the next hop to better utilize the network bandwidth, while these schemes lacks of utilizing the global state of the network. To achieve
high bandwidth utilization and low latency, we… More >
Open Access
ARTICLE
Jianji Ren1, Shan Zhao1, Junding Sun1, Ding Li2, Song Wang3, Zongpu Jia1
Computer Systems Science and Engineering, Vol.33, No.4, pp. 259-265, 2018, DOI:10.32604/csse.2018.33.259
Abstract In the Content-Centric Networking (CCN) architecture, popular content can be cached in some intermediate network devices while being delivered, and
the following requests for the cached content can be efficiently handled by the caches. Thus, how to design in-network caching is important for reducing
both the traffic load and the delivery delay. In this paper, we propose a caching framework of Prefix-based Popularity Prediction (PPP) for efficient caching
in CCN. PPP assigns a lifetime (in a cache) to the prefix of a name (of each cached object) based on its access history (or popularity), which is represented as
a Prefix-Tree… More >
Open Access
ARTICLE
Ruiguo Yu1,2, Zhiqiang Liu1,2, Jianrong Wang1,3, Mankun Zhao1,2, Jie Gao1,3, Mei Yu1,3,*
Computer Systems Science and Engineering, Vol.33, No.4, pp. 267-274, 2018, DOI:10.32604/csse.2018.33.267
Abstract The spatio-temporal feature with historical wind power information and spatial information can effectively improve the accuracy of wind power prediction,
but the role of the spatio-temporal feature has not yet been fully discovered. This paper investigates the variance of the spatio-temporal feature. Based on
this, a hybrid machine learning method for wind power prediction is designed. First, the training set is divided into several groups according to the variance
of the input pattern, and then each group is used to train one or more predictors respectively. Multiple machine learning methods, such as the support
vector machine regression and the decision… More >
Open Access
ARTICLE
Zhou Feng, Xue Weilian*
Computer Systems Science and Engineering, Vol.33, No.4, pp. 275-286, 2018, DOI:10.32604/csse.2018.33.275
Abstract The fireworks algorithm features a small number of parameters, remarkable optimization ability, and resistance to a local optimum. Based on the graph
coloring model, the fireworks algorithm is introduced for the first time to solve the spectrum allocation problem for cognitive radio networks, thus maximizing
utility and fairness of spectrum allocation. Two-layer binary coding is adopted for individual fireworks. The first layer refers to the coding of cognitive users
used to determine channels that can be connected with the user. The second layer refers to the auxiliary coding of channels responsible for addressing
mutual interference among multiple cognitive users when… More >
Open Access
ARTICLE
Yuhui Wang
Computer Systems Science and Engineering, Vol.33, No.4, pp. 287-291, 2018, DOI:10.32604/csse.2018.33.287
Abstract Event-related topics in social networking services are always the epitome of heated society issues, therefore determining the significance of analyzing its
evolution patterns. In this paper, we present a comprehensive survey on the tweets about "ransomware" in Sina Weibo, a famous social networking service
similar to twitter in China. The keyword corresponds to a global ransomware attack in May 2017, on which our example event-related topics are based.
We collect text data from sina Weibo and vectorize each tweets, before using a dynamic topic model to discover the event-related topics. The results of the
topic model are explainable enough and… More >
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