Trading environments
نویسندگان
چکیده
منابع مشابه
Trading services in open distributed environments
The current development of computing and telecommunication environments aims towards interoperability across separate platforms and organisations in a world-wide fashion. Interoperability means that software components can be exploited from arbitrary computers in such a way that the service semantics is preserved. The mechanisms supporting interoperability at the application level must mask het...
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An open distributed environment can be perceived as a service market where services are freely o ered and requested. Any infrastructure which seeks to provide appropriate mechanisms for such an environment has to include mediator functionality (i.e. a trader) that matches service requests and service o ers. Commonly, the matching process is based upon some IDL{based service type de nition, and ...
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Trading is a well-known mechanism for searching and locating services in object-oriented systems. However, current traders present some limitations when tried to be used in open component-based environments. In this paper we analyze the required features that COTS components traders should have, and describe the design and implementation of COTStrader, an Internet-based trader for COTS componen...
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The proof of Theorem 2 in the main body of the paper applies to the special case in which the covariance matrix of random vector (θ; θM ;u) is full rank. In this Online Appendix, we prove Theorem 2 for the general case, imposing only Assumptions 1 and 2L: Cov(v, θ|θM ) 6= 0 and V ar(u|θ, θM ) > 0. Proof of Theorem 2 (General Case) Before proceeding to the proof, we first prove the following lem...
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ژورنال
عنوان ژورنال: British Dental Journal
سال: 2008
ISSN: 0007-0610,1476-5373
DOI: 10.1038/sj.bdj.2008.840