The concept of cloud computing is a very vast concept which is very efficient and effective security *** cloud computing methodology is a conceptual based technology which is used widely now a *** in data privacy prot...
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The concept of cloud computing is a very vast concept which is very efficient and effective security *** cloud computing methodology is a conceptual based technology which is used widely now a *** in data privacy protection and data retrieval control is one of the most challenging research work in cloud computing,because of users secrete data which is to be stored by *** enterprise usually store data in internal storage and then tries to protect the data from other outside *** also provide authentication at certain specific *** computing offers an innovative business model for organizations to adopt IT services without upfront *** the potential gains achieved from the cloud computing,the organizations are slow in accepting it due to security issues and challenges associated with *** is one of the major issues which hamper the growth of *** idea of handing over important data to another company is worrisome;such that the consumers need to be vigilant in understanding the risks of data breaches in this new *** paper introduces a detailed analysis of the cloud computing security issues and challenges focusing on the cloud computing types and the service delivery *** paper mainly proposes the core concept of secured cloud *** suggests the cloud computing based on separate encryption and decryption services from the storage *** to this increasing demand for more clouds there is an ever growing threat of security becoming a major *** paper shall look at ways in which security threats can be a danger to cloud computing and how they can be avoided.
It39;s very useful to build a distributed interactive simulation system during the development of a new type of *** order to apply the simulation system to various types of satellites,a universal on-board interactiv...
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It's very useful to build a distributed interactive simulation system during the development of a new type of *** order to apply the simulation system to various types of satellites,a universal on-board interactive simulation framework based on CAN bus is *** simulation members are designed according to the composition of actual satellite *** of drivers included in simulation members are packaged into a common interface,thus the problem of interfaces and communications between different members is *** on-board simulation system is established with the foundation of a CAN bus simulation framework,which actual hardware can join in for a testing or *** framework of simulation flow is described,and the foundation of intercommunion and operation between simulation members is laid *** results prove that the framework can work stably with great efficiency and high flexibility,and expected effect is achieved.
In the paper,we provide a novel routing algorithm (ANRP),which is based on Ant Colony *** aim of the ANRP is to solve the problem of limited energy for wireless sensor network routing *** is able to achieve better loa...
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In the paper,we provide a novel routing algorithm (ANRP),which is based on Ant Colony *** aim of the ANRP is to solve the problem of limited energy for wireless sensor network routing *** is able to achieve better load balance and prolong the network *** combines the ratio of the residual energy and the total energy with the distance of any two nodes,which is used as the control factor of the decision ***,in the incremental equation of pheromone,it also considers data packets length and the hop-size between source node and destination *** this way,NARP can search the optimize path from the source node to destination node and balances the energy consumption for *** results demonstrate that NARP has better performance than AODV.
Localization is one the key technologies of wireless sensor networks,and the problem of localization is always formulate as an optimization *** swarm optimization (PSO) is easy to implement and requires moderate compu...
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Localization is one the key technologies of wireless sensor networks,and the problem of localization is always formulate as an optimization *** swarm optimization (PSO) is easy to implement and requires moderate computing resources,which is feasible for localization of sensor *** improve the efficiency and precision of PSO-based localization methods,this paper proposes a distributed PSO-based *** on the probabilistic distribution of ranging error,it presents a new objective function to evaluate the fitness of ***,it tries to localize as many unknown nodes as possible in a more accurate search *** results show that the proposed method outperforms previous proposed algorithms.
This paper presents the design and evaluation of a high efficiency power amplifier with high voltage capability. And power amplifier based on two-stage topology at frequency of 2.4 GHz ISM band. The optimization of so...
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At present,most of the communication functions of the smart field instruments are Modbus protocol with RS485 *** the popularity of the Profibus fieldbus applications,more and more smart field instruments proposed func...
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At present,most of the communication functions of the smart field instruments are Modbus protocol with RS485 *** the popularity of the Profibus fieldbus applications,more and more smart field instruments proposed functional requirements for ***32 combined with the communications chip VPC3 + C,completing a Modbus-Profibus total line bridge design,in which the VPC3+C realizes the Profibus-DP interface protocols,and the STM32 realizes the Modbus Communication protocol and the overall operation of the total line *** shows that Modbus-Profibus bus bridge can realize Profibus communication function of the field devices and intelligent instruments,thus providing Profibus communication solutions with short development cycle,low cost and high efficiency.
The Web services Business Process Execution Language (BPEL) is a language used to specify compositions of web *** the last few years,a considerable amount of work has been done on modeling (parts of) BPEL and developi...
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The Web services Business Process Execution Language (BPEL) is a language used to specify compositions of web *** the last few years,a considerable amount of work has been done on modeling (parts of) BPEL and developing verification techniques and tools for *** nets and formal languages have been widely used to model Web services composition,but temporal value passing calculus of communicating systems (TVPCCS) language seems to be more adequate for several *** BPEL programs are mapped to other languages and then the verification is performed,A more promising way is to directly build TVPCCS model,to check it and then map it to a BPEL process *** paper describes a mapping from TVPCCS onto BPEL process model.
This paper presents a ontology-based semantic query expansion *** method takes the food safety domain as a background and combines concepts similarity computation ***,the ontology-based representation method for food ...
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This paper presents a ontology-based semantic query expansion *** method takes the food safety domain as a background and combines concepts similarity computation ***,the ontology-based representation method for food safety domain knowledge is ***,the expansion of queries is realized by the semantic relationships in food safety ontology and the expansion of the lexicon for words ***,concepts similarity computation model is applied to set the expansion range of domain *** results show that this method can not only obtain the search results consistent with the search conditions in the grammatical form,but also obtain the results semantically consistent with the search ***,the retrieval results have been sorted according to the relevance.
This study applies the unified theory of acceptance and use of technology (UTAUT) model to analyze the factors affecting users to use mobile *** expectancy,effort expectancy,social influence,perceived cost and facilit...
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This study applies the unified theory of acceptance and use of technology (UTAUT) model to analyze the factors affecting users to use mobile *** expectancy,effort expectancy,social influence,perceived cost and facilitating conditions are the five main *** equation modeling (SEM) is used to evaluate relationships among these *** research results are as follows: performance expectancy and effort expectancy have a significant positive effect on behavioral intention;effort expectancy and social influence have an indirect positive influence on behavioral intention;perceived cost and facilitating conditions have no effect on using mobile *** quality content,user-friendly operating interface and media promotion are the critical measures for promoting the development of mobile e-books market.
Combinatorial interaction testing (CIT) is a method to detect the fault interactions among the parameters or components in a *** the most works in the field of combinatorial interaction testing focus on detecting inte...
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Combinatorial interaction testing (CIT) is a method to detect the fault interactions among the parameters or components in a *** the most works in the field of combinatorial interaction testing focus on detecting interaction faults rather than locating them.(d,t)-locating arrays and (d,t)-detecting arrays were proposed by *** and *** to locate and detect the interaction *** the paper,we study the structure of the special fault locating array that is able to locate sole interaction fault among the parameters or components,namely (1,t)-detecting arrays,and then propose the concept and construction method of approximate error locating array based on the special error locating *** AETG-like algorithms to generate these special arrays are provided.
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