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Web applications are nowadays being used to support enterprise-level business operations and usually rely on back-end databases to deliver service to clients. Research and industry reports indicate the huge impact the quality of the data can have on businesses, especially when applications are not prepared for handling low quality data. In fact, even in widely tested and used applications, the presence...
In this paper we present the results of a two-phase empirical study where we evaluate and compare the applicability of automated component-based Graphical User Interface (GUI) testing and Visual GUI Testing (VGT) in the tools GUITAR and a prototype tool we refer to as VGT GUITAR. First, GUI mutation operators are defined to create 18 faulty versions of an application on which both tools are then applied...
One of the challenges in IT Service Management is an assessment of an innovation benefit introduced into service delivery on performance of IT System Administrator (SA). The question is especially complex when variability of the service requests load is taken into account. We used the sequential probability ratio test to assess effects of innovation for a case when a load of the service teams is constant...
Service compositions are increasingly used for the fast development of loosely-coupled dynamic distributed applications. Such compositions are prone to potential failures arising from their complex interaction scheme and from various kinds of network problems. Functional testing could overlook such failures, hence we claim it is important to specifically consider test cases for validating how the...
Service Oriented Architectures (SOAs) are increasingly being used to support the information infrastructures of organizations. SOAs are dynamic and evolve after deployment in order to adapt to changes in the requirements and infrastructure. Consequently, traditional validation approaches based on offline testing conducted before deployment are not adequate anymore, demanding for new techniques that...
Service Oriented Architectures (SOAs) are composed of distributed services that interact through standard interfaces, and evolve transparently to other services and users. Although such dynamicity makes SOA a promising architectural style, it prevents organizations from having complete knowledge of the SOA and of its (possibly untrusted) services. This constitutes an important restriction to the applicability...
This paper presents a methodology and a set of tools for the modelling, validation and testing of Web service composition, conceived and developed within the French national project WebMov. This methodology includes several modelling techniques, based mainly on some variations of Timed Extended Finite State Machines (TEFSM) formalism, which provide a formal model of the BPEL description of Web services...
Recently with the rapid growth of network and changes of business environment, the enterprises require the integration of various information systems and their interoperation. The SOA (service oriented architecture) based on Web services is widely used for integration of these information systems. And as the standard integration language for the business processes, BPEL (business process execution...
For several decades, the output from semiconductor manufacturers has been high volume products with process optimisation being continued throughout the lifetime of the product to ensure a satisfactory yield. However, product lifetimes are continually shrinking to keep pace with market demands. Furthermore there is an increase in dasiafoundrypsila business where product volumes are low; consequently...
This paper addresses the questions, "Why is a test process necessary?" and "How can a "one size process "fit all lifecycles?" In answer to the first question, the paper will demonstrate that a test process based on the systems lifecycle, which is clearly understood by all stakeholders, will enable successful testing in all projects. The paper will then look at three common...
This position paper proposes a research agenda for the field of security testing. It gives a critical account of the state of the art as seen by a practitioner and identifies questions that research failed to answer so far, or failed to answer in such a way that it would have had an impact in the real world. Three categories of research problems are proposed: theory of vulnerabilities, theory of security...
An important issue to the adoption of any enterprise architectural approach is the availability of tools to support the development, storage, presentation, analysis, improvement and evolution of enterprise architecture representations. As with enterprise architecture methodologies, enterprise architecture tools to support the architectural development process are still emerging. Most important software...
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