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A comprehensive and accurate user service request description is vital to the success of service discovery. This paper proposes a personalized description model for user's service request, which can update user's current needs based on current context. The service recommendation method based on this model is also introduced in detail, and the experiments illustrate the effectiveness of the model for...
This paper introduces a model for the organizing and managing of Web services. The model organizes Web services from different aspects and the concepts related to each aspect are organized by an Ontology. All the concepts are associated with related Web services and they can be used to locate Web services needed. The model facilitates locating Web services from different aspects at the same time so...
The construction and measurement of the 2.45 GHz power density standard by using the standard field method are described. A method to stabilize the amplitude of saturation output amplifier by controlling the supply voltage of amplifier is developed. The range of the power density standard is 0.05 -- 0.80 mW/cm 2 , and its uncertainty is 0.21 dB.
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