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Modern requirement of dynamic Web Services rely increasingly on composing concurrent, distributed, mobile, re-configurable and heterogenous services, and substantial progress has already been made towards composed Web Services. In this paper, first, we proposed a life cycle of composed Web services, then designed a model named Service-Cloud model based on the process of forming clouds in nature. Finally,...
In order to improve the measurement precision of the position tracking system when the test signal is weaker, put forward a kind of improved gain intelligent adjustment control algorithm(GIACA), learning the change rate of the signal strength automatically, forecasting the signals change value in the next time, adjusted the signal gain for the next signal sample according to this algorithm, to make...
Study the performance of the position sensitive detector. Put forward a system designed scheme, to trace the object, aim the object automatically. Experiment showing, through adjust the size of the flare spot and the light illuminance, the detector performance can be improve significantly.
The Pragmatic-context acts as an important role in pragmatic web oriented services discovery where the context is changing rapidly. This paper proposes a method for services discovery fitting to the dynamic environment called pragmatic-context. We figure out the ways include how to represent the context, how to determine it, and how to use it to influence the activation of user preferences to provide...
In order to improve independence and autonomy capability in Web services deployment and publishment, and enhance understanding or updating capability of service knowledge between service agents in service discovery and composition. Following a conjunctive study of agent and Semantics Web services technology, service knowledge model and extended service description layers are proposed to accommodate...
In order to improve the scalability, reliability and stability of the semantic Web service composition system, and to achieve ontology-based semantic Web services composition efficiently, this paper presents a P2P-based Semantic Web services (P2PSWS) composition system architecture. This architecture combines the advantages of centralized and decentralized structures. It distributes the functions...
In comparison with the single attribute evaluation, multi-attribute evaluation is to given an overall assessment of the effect and performance of the system by using several indexes and comprehensive evaluation function. With the number and forms of the evaluation indexes increasing, how to select the evaluation indexes is very important before evaluation. This paper mainly solved the selection and...
Pragmatics Web service is a novel pattern for designing and deploying Web services with the concept of pragmatics as its knowledge foundation. It primarily concerns preference, context, communication and negotiation of service participants, so that the real meaning for conveyed message can be apprehend by the service requester or provider. In this paper, we propose an agent negotiation framework towards...
In order to better make an agreement on both the discovery results of Semantic Web services and the intentions of the service requester, advance the accurate rate of service discovery, and improve the automation performance in service discovery and selection. We add the context knowledge of service provider and requester to service representation, and employ the planning method to achieve the understanding...
The basic purpose of QoS management is to provide differentiated services and quality guarantee for users. Then how to evaluate the services provided by the system is very important. In the paper, a multi-level QoS management and evaluation architecture for network services is proposed, which supported adjustable selection and reconfiguration of QoS evaluation indexes. With the number of evaluation...
In this paper, we concentrate on the problem of routing and bandwidth assignment in GMPLS networks. We proposed a new restoration routing algorithm in GMPLS networks with optimized bandwidth. In this new algorithm, we consider multiple network optimizing objectives to setup a LSP with maximize profit and shortest path under the limited resources. By comparing and analyzing with the traditional algorithm,...
Dynamic composing Web services provides an efficient mechanism to offer complex large systems. Substantial progress has already been made towards composing Web services. Unfortunately, these approaches cannot build a model of the whole life cycle of composed Web services. In order to solve this problem, we designed a model named Service-Cloud model based on the forming picture of clouds in nature...
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