Traditional E-Commerce systems development methods are cesigned to develop systems which are a specific and static set of *** methods result in systems that are sluggish in their response to dynamic conditions and cha...
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Traditional E-Commerce systems development methods are cesigned to develop systems which are a specific and static set of *** methods result in systems that are sluggish in their response to dynamic conditions and changing requirements,expensive to maintain over extended periods of time,and prone to system failure.A model-driven approach extends traditional methods and is well-suited to a systems development environment characterized by rapidly changing conditions and *** paper describes model-driven architecture and methodology used to develop E-Commerce ***,a flower store system was developed by MDA.
Nowadays using web service has become the most popular way of designing software,and AJAX also plays a very important part of *** article gives an example to combine these two hot technologies in web application *** t...
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Nowadays using web service has become the most popular way of designing software,and AJAX also plays a very important part of *** article gives an example to combine these two hot technologies in web application *** the beginning of the article,we give the definition of web service and AJAX from the view of a *** comparing with the traditional ways of designing,we wants to show the advantages of both the two technologies,discussing why and how to use them to develop a software/service based on the spirit of SOA *** the end of the article, we give a simple example to show how to add a web service into a program by using AJAX and discuss a few parts of it by comparing with the way without AJAX or web service to show their differences and finally make a conclusion.
With the rapid development of web service the voice of improving web service quality and performance is increasingly *** paper proposes a web communication model on the basis of anycast technology and this paper can p...
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With the rapid development of web service the voice of improving web service quality and performance is increasingly *** paper proposes a web communication model on the basis of anycast technology and this paper can provide for the clients the web service with better quality and shorter response *** this paper the web communication model is deeply analyzed and discussed,and in IFv6 simulation by implementing WWW service its feasibility and validity are proved.
After simply discussing the merits and demerits of application layer multicast,we propose a single source multicast protocol in this article,we call it *** this protocol tree topology is given the priority to construc...
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After simply discussing the merits and demerits of application layer multicast,we propose a single source multicast protocol in this article,we call it *** this protocol tree topology is given the priority to construct multicast transmit *** to the maintenance of multicast tree,we use the PUP algorithm which selects a backup father node for every non-leaf node to set up a spare *** protocol,which inherits the merit of application layer multicast and to a certain extent overcomes the instability of application layer multicast,greatly improves the stability and reliability of multicast tree.
A novel image compression algorithm using competitive learning neural network is proposed to improve the original LBG algorithm,by using which higher image compression quality could be *** proposed scheme is based on ...
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A novel image compression algorithm using competitive learning neural network is proposed to improve the original LBG algorithm,by using which higher image compression quality could be *** proposed scheme is based on vector quantization and modifies the learning rate and scaling function of updating equation, which is used to train the ***,to demonstrate the feasibility of this scheme,experimental results are presented,which show the proposed scheme can improve the quality of codebook greatly.
This paper describes a robust inventory control strategy to find the optimal decision variables to weaken the bullwhip effect in cluster supply chains under environment of demand *** model is established to combine re...
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This paper describes a robust inventory control strategy to find the optimal decision variables to weaken the bullwhip effect in cluster supply chains under environment of demand *** model is established to combine real-time optimization and simulation with regarding to the across-chain inventory *** robust inventory control based on switched system(SRCS)incorporates online inventory decision-making system to overcome model uncertainties and external *** is proved that this method is more effective and efficient to tune the controller in face of changing environment.
The critical proportion degree expansion method is used to select PID parameters by analyzing the effects of PID regulator's parameters on the Control *** PID control algorithm was improved by using the integral d...
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The critical proportion degree expansion method is used to select PID parameters by analyzing the effects of PID regulator's parameters on the Control *** PID control algorithm was improved by using the integral discretion arithmetic and eliminating the changing impacts of fixed *** this model is taken as controlled object to do some simulated researches on PID control *** simulated curve of distinguished model and experimental curve are almost the *** application results show that the control algorithm has good control performance,easy to tune the parameters *** is fairly appropriate for the engineering application.
A image compression algorithm using fuzzy competitive learning neural network is proposed in this *** proposed scheme is based on vector ***, competitive learning neural network and fuzzy control system are included i...
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A image compression algorithm using fuzzy competitive learning neural network is proposed in this *** proposed scheme is based on vector ***, competitive learning neural network and fuzzy control system are included in the scheme to train the codebook and encode the source image by using the membership function and control ***,to demonstrate the effectiveness of this scheme,experiment results are *** to the experimental results, comparing with conventional vector quantization(LBG), the proposed scheme could greatly improve the quality of codebook.
This paper presents a intelligent flammability tester based on the PLC control technology and working principle of step-in motor,it demonstrates the working principle, hardware structure,software programming,functiona...
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This paper presents a intelligent flammability tester based on the PLC control technology and working principle of step-in motor,it demonstrates the working principle, hardware structure,software programming,functional characteristics of the developed intelligent tester of flammability in detail,expatiates expressly the step-in motor control method and its application and points out the tester can meet the flammability test requirements of various types of toys of Europe standard consumer safety specification for toy safety and international standard of toy *** refers that the tester realizes(he test process with automatism,intelligence and information.
In order to solve the problem of E-Business project decision,a new decision method is proposed by analyzing project including uncertain ***,the set of factor is established including condition attribute and decision *...
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In order to solve the problem of E-Business project decision,a new decision method is proposed by analyzing project including uncertain ***,the set of factor is established including condition attribute and decision ***,experts qualitatively describe risk factors and establish a decision database,called decision ***,the attribute reduction algorithm based on Rough Sets is used to eliminate the redundant risk factor and its value of decision ***,the minimum decision rules are abstracted based on data mining *** method is more convenient and practical compared with the traditional one.
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