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Detecting metamodel atomic changes during evolution is prerequisite for co-evolution of models, constraints, and transformations. They are also essential to detect complex changes over the sequence of atomic ones. However when detecting atomic changes with a difference-based technique, the applied order of the atomic changes is not recovered and some hidden changes are undetected. Thus, the quality...
Monetization of personal identity information has become a major component of modern business models, driving innovation in many industries. This phenomena is common place given that parties to business transactions and social interactions usually rely on the issue of claims, and disclosure of unique attributes and credentials for proofs and verification of identity. However, the heightened societal...
Human remembering is a process vulnerable to producing errors in addition to unintentional forgetting which is often undesired. To support contextualised remembering and reminiscence we propose an application that is able to write diaries on demand. Without any considerable effort these diaries can be generated for every period of a person's life that is reflected in their personal information model...
The purpose of this study was to identify switching costs and examine the moderating effect of switching costs on buyer loyalty model in the B2B e-marketplace. Then a questionnaire was constructed and data were collected from 649 buyers of a Chinese B2B e-marketplace in 114 countries all over the world. Multi-group analysis was applied to examine the moderating effect of switching costs. Finally,...
Service-oriented systems are fast becoming complex nodes in a vast digital, dynamic ecosystem, these systems of systems require the identification and establishment of flexible and spontaneous/opportunistic collaborative activities among various parties. Such sophisticated systems need new engineering approaches able to integrate new functionalities and behaviours into running systems composed by...
In logic, an argument is valid if true premises cannot be associated with false conclusions. However, this criterion is hardly applicable to real-world complex systems, hence it needs to be weakened: critical systems engineering, for example, requires acceptability rather than truth. Validity cannot be assumed, nor is it transitive; it has to be demonstrated within a context and related to a specific...
Almost every company needs to process invoices to either claim money from their customers or to pay for products or services. Although companies are allowed to electronically process their invoices, most of them still rely on the paper-based invoice process. Within this paper we built upon existing work to develop a methodology for defining a reference model for the electronic invoice based on security...
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