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- ZeitschriftenartikelBoSDL: An Approach to Describe the Business Logic of Software Services in Domain-Specific Terms(Business & Information Systems Engineering: Vol. 60, No. 5, 2018) Schlauderer, Sebastian; Overhage, SvenModular SaaS platforms that can flexibly be configured with software services, microservices, and the advent of the API economy provide new opportunities to realize even highly customized solutions in the cloud. The success of such endeavors depends on the ability of consumers to discriminate between offered services and choose those best fulfilling the requirements, though. To facilitate the assessment of services against functional requirements, this article proposes the Business-Oriented Service Description Language (BoSDL). It consists of: (1) a meta-model with rules to describe the business logic, that is, the functionality of a software service from a business-oriented perspective; (2) a textual presentation format based on English natural language; (3) a graphical notation based on the UML. Findings from a controlled experiment indicate that, compared to the state of the art, the information provided with the BoSDL enhances the ability of consumers to judge if software services satisfy existing functional requirements.
- ZeitschriftenartikelCall for Papers Issue 1/2020 - High Performance Business Computing(Business & Information Systems Engineering: Vol. 60, No. 5, 2018) Schryen, Guido; Kliewer, Natalia; Fink, Andreas
- ZeitschriftenartikelDigital Disruption(Business & Information Systems Engineering: Vol. 60, No. 5, 2018) Skog, Daniel A.; Wimelius, Henrik; Sandberg, Johan
- ZeitschriftenartikelMulti User Context-Aware Service Selection for Mobile Environments - A Heuristic Technique(Business & Information Systems Engineering: Vol. 60, No. 5, 2018) Bortlik, Michael; Heinrich, Bernd; Mayer, MichaelModern service systems build on top of service dominant designs which encompass contextualization (value-in-context) and collaboration (value-in-use) between users and service providers. Processes in this domain often require the consideration of both context information (e.g., location or time of day) and multiple participating users where each user probably has its own preferences and constraints (e.g., restricted overall budget). However, selecting a suitable service provider for each action of a process, especially when some of these actions are conducted together by several users, can be a complex decision problem in multi user context-aware service systems. Consequently, exact approaches are not fit to solve such a service selection problem in appropriate time. Thus, the paper proposes a heuristic technique applying a decomposition of the users’ global constraints and a local service selection. In this way, the aim is to determine a feasible service composition for each participating user while taking the users’ individual preferences and constraints as well as context information into account. The evaluation of the heuristic technique shows, based on a real-world scenario in the tourism domain, that the proposed approach is able to achieve close-to-optimal solutions while efficiently scaling with problem size and therefore can support decision makers in multi user context-aware service systems.
- ZeitschriftenartikelRecombinant Service Systems Engineering(Business & Information Systems Engineering: Vol. 60, No. 5, 2018) Beverungen, Daniel; Lüttenberg, Hedda; Wolf, VerenaAlthough many methods have been proposed for engineering service systems and customer solutions, most of these approaches give little consideration to recombinant service innovation. Recombinant innovation refers to reusing and integrating resources that were previously unconnected. In an age of networked products and data, we can expect that many service innovations will be based on adding, dissociating, and associating existing value propositions by accessing internal and external resources instead of designing them from scratch. The purpose of this paper is to identify if current service engineering approaches account for the mechanisms of recombinant innovation and to design a method for recombinant service systems engineering. In a conceptual analysis of 24 service engineering methods, the study identified that most methods (1) focus on designing value propositions instead of service systems, (2) view service independent of physical goods, (3) are either linear or iterative instead of agile, and (4) do not sufficiently address the mechanisms of recombinant innovation. The paper discusses how these deficiencies can be remedied and designs a revised service systems engineering approach that reorganizes service engineering processes according to four design principles. The method is demonstrated with the recombinant design of a service system for predictive maintenance of agricultural machines.
- ZeitschriftenartikelThe New Fontiers of Service Systems Engineering - Automation, Interaction, Openness and Learning(Business & Information Systems Engineering: Vol. 60, No. 5, 2018) Böhmann, Tilo; Leimeister, Jan Marco; Möslein, Kathrin