The KLU faculty, post-docs, and PhD candidates regularly publish the results of their research in scientific journals. You will find a complete overview of all KLU publications below (e.g. articles in peer-reviewed journals, professional journals, books, working papers, and conference proceedings). Search for relevant terms and keywords, or filter the list by name, year of publication or type of publication. The references include DOIs and abstracts where available, and you can download them to your own reference database or platform. We regularly update the database with new publications.

Conference Proceedings

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Abstract: Die Service-Bereitstellung in Service-Oriented-Computing-Umgebungen wird durch Service Level Agreements (SLA) beschrieben. Aktuelle SLA-Management-Ansätze konzentrieren sich auf bilaterale Service-Provider-/-Requester-Konstellationen, gehen jedoch nicht auf SLA-Management- Anforderungen von Composite Service Providern ein. Diese betreffen das SLA-Management mit Providern von Atomic Services, mit Requestern von Composite Services und deren Abstimmung aufeinander. Ein Composite SLA Management Ansatz muss den Anteil von (Atomic) SLAs beim SLA-Management von (Composite) SLAs berücksichtigen. Der COSMA-Ansatz erlaubt ein integriertes Management von Atomic und Composite SLAs während deren gesamten Lebenszyklus. Er ermöglicht die Abbildung der Abhängigkeiten und Beziehungen zwischen unterschiedlichenSLAs und damit eine Kontrolle, Steuerung und Optimierung der SLA-Management-Aktivitäten.

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Abstract: Many use cases in business process management rely on the identification of correspondences between process models. However, the sparse information in process models makes matching a fundamentally hard problem. Consequently, existing approaches yield a matching quality which is too low to be useful in practice. Therefore, we investigate incorporating user feedback to improve matching quality. To this end, we examine which information is suitable for feedback analysis. On this basis, we design an approach that performs matching in an iterative, mixed-initiative approach: we determine correspondences between two models automatically, let the user correct them, and analyze this input to adapt the matching algorithm. Then, we continue with matching the next two models, and so forth. This approach improves the matching quality, as showcased by a comparative evaluation. From this study, we also derive strategies on how to maximize the quality while limiting the additional effort required from the user.

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Copy reference link   DOI: 10.1109/FSKD.2008.208   DOI: http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=4666452

Abstract: Service provisioning is largely built on agreements specifying the mutual responsibilities of service providers and their customers with respect to functional and non-functional parameters. However, the dynamics that result from the service-oriented computing paradigm in particular in composite services place new challenges onto the management of composite service level agreements which could not be achieved yet. This paper discusses the management of SLAs involved in composite services using the COSMA approach. After introducing the COSMA approach, the usage of COSMAdoc instances for negotiating SLAs in composite services is presented in detail.

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Copy reference link   DOI: 10.1109/ICCSIT.2009.5234431   DOI: http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=5234431

Abstract: The development of enterprise-wide service-oriented architectures (SOA) is a complex task. In most cases, evolutionary approaches are used to deal with the arising complexity. However, most of the existing design methodologies and implementation strategies focus on more technical, service realization specific aspects. Challenges regarding the definition and the management of related service artifacts throughout the whole service lifecycle are neglected. Also the implementation of a lifecycle-encompassing information management infrastructure is not addressed adequately in research and industry. In this paper we introduce a common service management information model (coSIM) that builds a foundation for the management of services and service infrastructures during design-, run- , and change-time.

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Copy reference link   DOI: 10.5220/0003982502590264

Abstract: A recurring task when managing logistics networks in which logistics companies jointly offer services is the comparison of logistics services based on their underlying processes. The comparison is necessary for the integration of processes, the selection of logistics providers and the evaluation of a company's performance. Due to a high diversity of logistics services and their properties as well as due to the high amount of services automated logistics service comparison is needed to support this task. This paper presents basic requirements and evaluates the state of the art with regard to these requirements. In addition, an initial solution approach providing a solid base for future work is outlined.

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Copy reference link   DOI: 10.1109/SRII.2012.22

Abstract: The logistics industry is characterized by a high level of collaboration between logistics customers and providers. In fact, sophisticated, knowledge-intense business models such as 4th party logistics providers that are responsible for planning, coordination, and monitoring entire supply chains across logistics companies can be observed. However, integrated approaches for engineering and management of fourth party logistics are rather in its infancy. The Logistics Engineering and Management platform is a service-oriented approach for the development and management of long and mid-term logistics contracts. It serves as a collaboration platform and integrates services from different logistics providers. In this paper a core feature of the platform is presented, a service repository as a single point of truth coping with the complexity of miscellaneous service descriptions and models. Central idea behind this repository is the integration of different specialized service models and the construction of a comprehensive model, which supports direct implementation of services as concrete logistics tasks. In this article we present preliminary results of the service repository's development and realization and an outlook for future research.

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Copy reference link   DOI: 10.1109/SCC.2009.38   DOI: http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=5283907

Abstract: The development of enterprise-wide service-oriented architectures (SOA) is a complex task. In most cases, evolutionary approaches are used to deal with the arising complexity. However, most of the existing design methodologies and implementation strategies focus on more technical, service realization specific aspects. Challenges regarding the definition and the management of related service artifacts throughout the whole service lifecycle are neglected. Also the implementation of a lifecycle-encompassing information management infrastructure is not addressed adequately in research and industry. In this paper we introduce a common service management information model (coSIM) that builds a foundation for the management of services and service infrastructures during design-, run- , and change-time.

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Book Chapters

Copy reference link   DOI: 10.1007/978-3-319-29791-0_22

Abstract: Sustainability issues are becoming more complex. Private companies respond to the new challenges with the pursuit of corporate social responsibility. One way to contribute to society and to deal with the increased pressure is by engaging in cross-sector partnerships with nonprofit organizations. But under which conditions are these partnerships successful? Using a multiple case research design we study the challenges in the process of creating sustainable value for supply chains through cross-sector partnerships between pharmaceutical companies and nonprofit organizations operating in developing countries. The chapter answers two research questions: (1) What are the challenges affecting the success of cross-sector partnerships to create sustainable value? (2) How can these challenges be addressed by Operations Management (OM)/Supply Chain Management (SCM) research?

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Copy reference link   DOI: doi:10.1007/978-3-319-41097-5_3

Abstract: Due to strong interdependencies between production, logistics and traffic, a decision in one of these fields has impacts on the others. However, decision-makers in and around today’s supply chains rarely consider effects of their decisions on other participants of the supply chain or the traffic system. Thus, a tool for decision support, which clearly illustrates the variety of impacts of a decision, is highly desirable. Accordingly, this chapter presents a reference model in the context of production, logistics and traffic, called Interdisciplinary Decision Map (IDM). The IDM allows for describing and analysing interdisciplinary impacts of decisions across the disciplines. Thus, it can serve as decision support tool for decision-makers out of the considered domains. The IDM’s applicability is demonstrated by using it to analyse selected impacts of an HGV toll’s introduction on production, logistics and traffic.

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Copy reference link   DOI: 10.1007/978-3-319-21266-1_22

Abstract: This work was created as part of the research project SEAK, which looks into possible causes and consequences of food shortfalls in Germany and is moreover also aimed at developing and evaluating possible mitigation strategies for these shortfalls. For the management of shortfalls in food supply it would be, as a first step, crucial to have information on existing inventories. Making for example decisions on the reallocation of food products into regions affected by disasters is only possible if knowledge about the (regional) availability of food quantities is present in the first place. This could be considered as a necessary transparency. However, in the German food sector, it is hard to get data about the inventories kept by companies like producers, logistic service providers (LSP’s), wholesalers or retailers. This is due to the fact that usually companies are not obliged to publish this information. Moreover, this information is also considered confidential in most companies, since it would give competitors insight into their business model and processes, which are oftentimes the basis for their success. Since information concerning food inventories is not publicly available, it has to be derived in another manner. This work is aimed at providing a scientific basis for the modelling of inventories along food supply chains. More specifically, it does so for the food commodity group of dairy products. We gathered information on all available food products, but limit this particular analysis to dairy products as a showcase of our approach. First, we introduce the data set used for the analysis and the methodology applied to it. In a next step, characteristics of typical German dairy supply chains are described using practical evidence as well as literature findings. The description follows the supply chain’s structure from start to finish, downstream. In the end, concluding remarks are made and possible further research ventures are suggested.

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Copy reference link   DOI: 10.1007/978-3-319-21266-1_3

Abstract: Due to the structural heterogeneity of freight transport and its long-term subordinate consideration, there have been low research activities in this field as well as low motivations to integrate this segment into transport demand models for decades. There is also no generally valid framework for freight transport modelling in comparison to passenger transport modelling. Without a common framework, it is difficult to exchange ideas between scientists and to enable an efficient communication and solid agreements between a client and a contractor of a transport modelling service. This contribution presents a typological order of characteristics of freight transport demand models which covers their internal structures and employed methods. In addition, a systematic overview of selected international freight transport demand models is given.

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Abstract: Chapter VII - The experience in Northern Europe1. Ports and logistics integration2. The role of the port authorities3. The success of Northern European ports4. The distinctive traits of rail transport in the ports of Northern Europe5. The main experiences in Europe6. Conclusions

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