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To address the issue of credibility authentication of user behaviors in the cloud computing environment, this paper proposes a user behavior credibility authentication model built on the characteristic-based random Petri network to assess the behavior contract credibility of the users accessing the cloud service resources. This model first makes dimensional normalization of the behavioral residue...
This article provides an overview of the challenges of big data, in the aspects of data scale, data heterogeneity, data timeliness, and demand for deep analyzing, in correspondence with four features of big data. It also presents an overview of trends of big data analytics both in theory and technique, with the development of testing benchmark, visualization technology, advanced and mixed architecture,...
Artificial intelligence technology used in network tutoring system has led to a revolutionary effect on educational notions. This paper analyzes present tutoring system, and put forward a model of intelligent network teaching system based on agent based on study on modern teaching theory and its related application technology on computers. The module partition of intelligent tutoring system based...
In content-based multimedia data retrieval model, relying solely on cluster analysis blind search retrieval model has poor robustness, low recall rate problems. In order to address these problems, this paper proposed a new retrieval model for multimedia material. Combining with the features of animation and comics material, the model introduces a clustered group analyzing method which obeys the instruction...
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