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This paper introduces a concept of information entropy to judge web-page types, which associates with the method put forward by Roadrunner that pre-purifying topic pages and then using proportional relation to judge the type of pages. With some typical pages from large website home, the average precision could be reached to 96.7%, which lays foundation for further information extracting work.
Current study of Trusted Computing is mainly about TCP and it is not effective to check trustworthiness of software behavior. With analysis of current detection technique, a static detection method towards software behavior trustworthiness is proposed and its key technique is discussed. First, Malware code is disassembled and preprocessed into sequential data, second, a Prefix Span-based algorithm...
Second-order hidden Markov models (HMM2) have been widely used in pattern recognition, especially in speech recognition. Their main advantages are their capabilities to model noisy temporal signals of variable length. In this article, we introduce a new HMM2 with multiple observable sequences, assuming that all the observable sequences are statistically correlated. In this treatment, the multiple...
As for the difficult problem of sensitive feature extraction during fault prediction for nonlinear electromechanical equipment, nonlinear dimensionality reduction ISOMAP (isometric feature mapping) algorithm is introduced based on the comprehensive analysis of the operation state data to reduce the dimensionality of high dimensional operation data and acquire sensitive fault features, furthermore,...
Against the low index speed of serial algorithm for Web page inverted indexes construction, according to a characteristic of merge-sort algorithm meets the theory of scheduling divisible loads in parallel and distributed system, the paper proposed a new parallel algorithm basing on the triple sort-merge for Web page inverted indexes construction. The algorithm distributed parallel dealt with the two...
A dynamic model of back-to-back voltage source converter under synchronous rotating d-q coordinate system is developed. The system is transformed to a new equivalent nonlinear system which consists of a linear decoupled subsystem and a nonlinear subsystem characterizing the dynamics of the DC-link voltage in terms of the state variables in the linear subsystem via the feedback linearization technique...
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