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Studied the spiral development process of data warehouse based on the multimodal transport system, took typical multimodal transport station as an example, constructed data warehouse system which integrated transport modes, conveyances and process information to reflect the whole data warehouse. Carried out on-line analysis and data mining to extract important clients and to solve the shortest route...
Snow plays an important role in meteorological and hydrological studies, so it makes sense to accurately predict the process of snow and the amount of snow. Exactly modeling snow properties is an important process for the combined snow process model and microwave model to simulate the amount of snow. In this paper, a mass and energy balance computer model-snow thermal model (SNTHERM.89) is used to...
J2EE is used in many e-business portal for its characteristic such as high stability, construct rapidly, easy to replant and maintenance and so on. struts, spring and hibernate, which are based on J2EE technology, are open source frameworks. This paper analyses how to integrate the three frameworks according to their strong points and apply this technology to an e-business portal of a company in Peking.
Many mechanical components exhibit more than one failure mode; and not all components under study have been exposed to similar operating conditions. For example, components may have been used in different operating environments or there may be differences in design and/or material. In these cases, life time data of components would not fall on a straight line on a Weibull probability paper (WPP),...
RFID is an enabling technology which brings visibility, traceability and performance efficiency to supply chains. To apply RFID technology in a public domain, information sharing infrastructure is needed to support public services as code resolution, information query, tracing & tracking, and security authentication. A common data model is the basis for information sharing, with which the shared...
RFID finds wide-ranging applications in many fields. When customers decide to implement a RFID application,they are possibly confused with some technical problems while allocating tags and readers to satisfy their business requirements. Due to the environment complexity, a general RFID deployment strategy is inapplicable that means the customers must create their own specific one. A simulator for...
A container terminal is a typical discrete event dynamic system (DEDS). The paper uses Stochastic Petri Net to establish both a hierarchical model of the container terminal capacity and a dynamic model of subsystems. By means of WITNESS, a dynamic modelling software, the capacities of the subsystems are determined and the overall bottleneck of the capacity system is detected. Finally, a scheme to...
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