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The Web-services stack of standards is designed to support the reuse and interoperation of software components on the Web. Semantic Web services envision the automated discovery and selection of Web services. The discovery and selection process finds matches between requirements and advertisements according to their semantic description. There are already some approaches available for matching of...
With the number of registered Web services growing, Identifying desired Web service is crucial for Web users. Current keyword based service search are inefficient in two main aspects: poor scalability and lack of semantics. Firstly ,the users are overwhelmed by the huge number of irrelevant services returned. Secondly, the intentions of users and the semantics in Web services are ignored. We propose...
A new method of blind beamforming with phase correlation of direction vector is proposed in this paper. Firstly, higher-order cumulant blind beamforming is expatiated. Then, a new method is put forward which integrates cumulant-based algorithm with phase correlation of direction vector. By dealing with underwater experimental data, the new method is proved valid and effective.
This paper studies the asymptotic properties of the limiting zeros of discrete-time system corresponding to continuous-time multivariable plants with the degrees of infinite elementary divisors two or three, i.e., mu1 = middotmiddotmiddot = mum-k = 2 and mum-k+1 = middotmiddotmiddot = mum = 3 (0 les k les m). The linear approximate expressions with respect to the asymptotic behavior of the limiting...
This paper is concerned with the stability of zeros of the discrete-time multivariable system composed of a generalized sample hold function (GSHF), a continuous-time plant with the degrees of infinite elementary divisors being two or three, and a sampler in cascade. The properties of the limiting zeros are studied and the conditions for ensuring the stability of the limiting zeros of the discrete-time...
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