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A new quantum key expansion scheme is proposed. The protocol of quantum key expansion proposed by Hwang is analyzed and the eavesdropping scheme is presented. We found that the using of the basis sequence shared by communicating parties is the weakness of the protocol. Hence we propose a ‘purification attack’ for the eavesdropper to steal partial information of the raw key and the new key between...
Aiming at time-varying and complex nonlinear characteristics in the wood drying process, a double hidden process neural network was introduced into wood drying modeling. Time-varying and complex nonlinear characteristics of wood drying were considered adequately in wood drying model by time series data of main influence factors fitted to time-varying functions as network input. The concrete modeling...
To deal with the features of a large variety of evaluation indexes in current Internetware trust measurement as well as the problem of how to select evaluation indexes, a dynamic trust evaluation method combining historical instance data and characteristics of evaluation indexes is developed in this paper. In developing this method, an evaluation index hierarchy is constructed based on historical...
The introducing web page templates and DOM technology can effectively extract simple structured information from web information. In reference to previous research achievements of the foundation, this paper presents a new method of inductive web page templates. This method is able to contain various layout elements of the web page templates. The main research contents include the methods based on...
In order to obtain requirements of the e-government information system accurately, this paper proposes a new requirements modeling method which is based on ontology of the business model on process and domain ontology. By the business model on process, this method could give guidance to the users to describe the reality system in an all-round way, and then translate into requirements model automatically...
In order to deal with the uncertain temporal knowledge of the complex real-time system and to improve the existed uncertain temporal knowledge expression and inference algorithm, a new kind of high-level fuzzy timed Petri nets was proposed based on fuzzy timed Petri nets (FTN). The uncertain temporal of the complex real-time can be quantitatively described and the time possibility can be analyzed...
This paper proposes a visual tracking method based on dynamic extracting multi-features to realize the robust and accurately visual tracking. First select the features that can compensate for each other to set up the feature mode using histogram. Second build the correlation function of local background illumination varying and dynamic amending features of target. Dynamic adjust feature set according...
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