The paper presents the concept and the mechanism of comparative conformance cases which support conformance monitoring in situations where a standard or other set of requirements are being implemented at multiple sites. The mechanism is enabled by NOR-STA services which implement the TRUST-IT methodology and are deployed in the cloud in accordance with the SaaS model. In the paper we introduce ...

In this paper we present a systematic check of the conformance of the implemented and the intended software architecture. Nowadays industry is confronted with rapidly evolving embedded systems. In order to effectively reuse design artefacts such as requirements, architectural views and analysis, as well as the code base, it is important to have a consistent overview in each phase of the develop...

The article introduces an extension of the well-known conformance relation ioco on labeled transition systems (LTS) with refused inputs and forbidden actions. This extension helps to apply the usual formal testing theory based on LTS models to incompletely specified systems, which are often met in practice. Another topic concerned in the article is compositional conformance. More precisely, we ...

This paper introduces a new conformance relation between a specification and an implementation of a distributed system. It is based on a local view which allows to avoid or reduce the state explosion problem. The conformance relation is defined via Petri nets and shows not only equivalence between transitions but also equivalence between local states. This equivalence depends on the structural ...

We present a formal framework for notions related to testing and model based test generation for a behavioural subset of UML Statecharts (UMLSCs). This framework builds, on one hand, upon formal testing and conformance theory that has originally been developed in the context of process algebras and Labeled Transition Systems (LTSs), and, on the other hand, upon our previous work on formal seman...

Testing is a necessary step in systems integration. Testing in the context of interenterprise, business-to-business (B2B) integration is more difficult and expensive than intra-enterprise integration. Traditionally, the difficulty is alleviated by conducting the testing in two stages: conformance testing and then interoperability testing. In conformance testing, systems are tested independently...

The electrical power infrastructure is facing a transition from a largely centralised distribution infrastructure with a few large power plants to an increasingly distributed infrastructure that must incorporate privately owned and operated power generation units based on fuel cells or sustainable energy sources, such as wind turbines, solar energy or wave energy. This introduces important new ...