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The number of web services available on the Internet has grown rapidly. Service consumers face a hard decision over which service to choose among the available ones. Security holds a key after various vulnerabilities have been exploited by attackers on number of notable web services. This paper carries out a survey on how security has been expressed and promised for web services, through both the...
The modelling of healthcare process is inherently complicated due to its multi-disciplinary character. Business Process Model and Notation (BPMN) has been considered and applied to model and demonstrate the flexibility and variability of the activities that involved in healthcare process. However, with the growing usage of digital information and IoT technology in the healthcare system, the issue...
Every so often a paper is published presenting a new extension for modelling cyber security requirements in Business Process Model and Notation (BPMN). The frequent production of new extensions by experts belies the need for a richer and more expressive representation of security requirements in BPMN processes. One reason for this is that current extensions focus on only specific areas and so fail...
Traditional financial trading systems were developed in database-based standalone model years ago. Given that there exist some evident drawbacks like high latency and low availability in such architecture, it is imperative to design a new model which can meet the requirements of time-sensitive financial transactions. Therefore, in this paper we design and implement a state-replication based matching...
Under the real information environment, because the time or department to develop information system is different, there are always many heterogeneous information systems run at the different software and hardware platforms which are executed simultaneously. The separate and closed data source in the system makes data hard to be communicated, shared and fused among the systems. Data integration using...
Although quality requirements (QRs) are considered as being of crucial importance in today's service-oriented systems, existing approaches almost exclusively deal with QRs from the service providers' perspective (namely late QRs). The motivation for this paper is to address the analysis of QRs from the service customers' perspective (namely early QRs). The work presented in this paper focuses on the...
Research on link based object ranking attracts increasing attention these years, which also brings computer science research and business marketing brand-new concepts, opportunities as well as a great deal of challenges. With prosperity of web pages search engine and widely use of social networks, recent graph-theoretic ranking approaches have achieved remarkable successes although most of them are...
While P2P technology is mainly used in delivering digital content, we believe its characteristics are also suitable to be applied in constructing online electronic marketplace. The features such as low cost, high reliability and performance of P2P network could improve the services of online transaction which currently build on centralized architecture. In this paper, we analyze the desired features...
With the development of information system, there is an urgent need for enterprises to change from information management to knowledge management. In the network-computing environment, enterprises need to apply the complex, dynamic and integrated, object-oriented knowledge management system. First, this paper analyzed the essence of knowledge and knowledge management, discussed the concept and characteristics...
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