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On the basis of communication process a Stochastic Petri Net (SPN) model is constructed to analyze the performance of Wireless Sensor Networks (WSNs). The effects of arrival rate, data packet number, sink node's buffer size on average time delay, throughput and the utilization of the sink node buffer are also analyzed by solving the linear equations from(More)
Public opinion is the people's response for social phenomena, issues, hot topics, attitudes, emotions, and so on. It reflects the focus problems of the current time of the society. By analyzing the public opinion, we can infer what will happen in the next time, and give better decision support for governments and businesses. Big Data technology is becoming(More)
The widespread application of P2P file sharing brings about some critical problems, such as security, piracy and intellectual property. In order to protect the intellectual property rights of radio film and television resources, in this paper, under the environment of China Next Generation Internet (CNGI), a PCADRM (P2P-based Content Access Digital Rights(More)
Film data analysis is important for website to find relationship between film data. Other than normal relational database, a novel and popular graph database, Neo4j uses graph related concepts to describe data models, the data can easily be nodes, edges and their associated attributes. By focusing on film data, Neo4j-based analysis is conducted in this(More)
The test scores of students sometimes need to be analyzed, but unlike other types of data table, the test scores data has own characteristics, so the existing publication methods cannot be directly used on test scores data table. In order to solve this problem, this paper takes the characteristics of the test scores data publication into account, and(More)
Animation rendering node is the key component of distributed animation rendering system, which offers rendering service. The performance of animation rendering node has great impact on user's experience. This paper uses DTMC-based model checking methodology to evaluate animation rendering node's performance. Based on the analysis of animation rendering(More)