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Internet of Things (IOT) is considered as the world's third wave of the information industry after the inventions of computer and Internet. Cloud computing is among the key technologies in the scope of IOT. In this paper, we choose related patents of cloud computing technology between 1963-2014 from the Derwent Innovations Index database. We extract research technology-related patents of cloud computing,...
The Web service composition is one of the most effective ways to combine the current net resources and realize the re-utilization and satisfy the personalized requirements, and the foundation of the composition is the Web service selection. Expounded the basic principle of genetic algorithm, and brought the genetic algorithm in the field of Web service selection, and transferred the problem of Web...
For a given number of points on the plane, find a minimum set of points even as a convex polygon, which is one of the classic problems of computational geometry. The traditional method is to determine the relationship between point and polygon, the algorithm is less efficient. Based on the research of traditional algorithm, analysis of one-step, and puts forward the use of conformal geometric algebra...
The Web service composition is one of the most important ways to satisfy the users' personalized requirements and supply the high quality service for users, and the foundation of service composition is the selection of Web service. Firstly, expounded the basic principle of Ant Colony Algorithm and analyzed the model of Web service selection and brought the algorithm into the fields of Web service...
Complex applications are usually modeled as workflows, which are often represented by Directed Acyclic Graph (DAG) and require the power of Grid to run efficiently. Cost-optimized workflow scheduling under deadline constraints is a fundamental and intractable problem on Grids. In this paper, an effective and efficient heuristic for workflow scheduling is proposed. A mixed integer programming (MIP)...
A lot of association rules may be generated in the process of association rules mining, and much time may be wasted when a user analyzes the association rules. To solve this problem, an improved algorithm which based on the set-enumeration tree for mining the association rules is introduced; and the algorithm reduces the number of association rules remarkably and generates a subset of association...
Survey adjustment is a compulsory professional core curriculum with technical importance in engineering institutes of higher learning for students majoring in surveying and mapping. Owing to rapid development and popularization of computer technology, more and more computer-assisted classroom teaching and practical teaching activities have emerged in teaching processes of professional courses in institutes...
Chaos is extremely suitable for applying in information security domain due to its excellent cryptography characteristics. But, computer limited precision expression and unitary chaos with simple structure being easily threatened by chaos reconstruction restricted its practical application. To solve the problem, a new kind of dual-chaos encryption alogorithm which take Logistic mapping as chaos model...
For application programs in scientific and technological fields have grown increasingly large and complex, it is becoming more difficult to parallelize these programs by hand using message passing libraries. To reduce this difficulty, we are researching the compilation technology for serial program automatic parallelization. In this paper, the author puts forward a kind of parallel recognition algorithm...
Student modeling, as the model of a learner, represents the computer system's belief about the learner's knowledge and cognitive state. It is generally used in connection with intelligent tutoring systems (ITS). ITS have being extensively researched, and are viewed as cost-effective alternatives to traditional education. The aim of intelligent tutoring system is to endow computers with the capability...
Liver segmentation on computed tomography (CT) images is a challenging task due to the anatomic complexity and the imaging system noise. In this paper, we develop an improved level set segmentation method. Our region-based level-set approach has many advantages over the conventional active contour models. First, the improved model can get much smoother contour by adding a signed distance preserving...
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