@article{2629, author = {{Heinrich, B. and Kundisch, Dennis and Zimmermann, Steffen}}, journal = {{BIT - Banking and Information Technology}}, number = {{2}}, pages = {{8--20}}, title = {{{Analyzing Cost and Risk Interaction Effects in IT Project Portfolios}}}, volume = {{15}}, year = {{2014}}, } @inproceedings{1140, abstract = {{Customized planning, engineering and build-up of factory plants are very complex tasks, where project management contains lots of risks and uncertainties. Existing simulation techniques could help massively to evaluate these uncertainties and achieve improved and at least more robust plans during project management, but are typically not applied in industry, especially at SMEs (small and medium-sized enterprises). This paper presents some results of the joint research project simject of the Universities of Paderborn and Kassel, which aims at the development of a demonstrator for a simulation-based and logistic-integrated project planning and scheduling. Based on the researched state-of-the-art, requirements and a planning process are derived and described, as well as a draft of the current technical infrastructure of the intended modular prototype. First plug-ins for project simulation and multi-project optimization are implemented and already show possible benefits for the project management process.}}, author = {{Gutfeld, Thomas and Jessen, Ulrich and Wenzel, Sigrid and Weber, Jens}}, booktitle = {{Proceedings of the 2014 Winter Simulation Conference}}, editor = {{Tolk, Andreas and Diallo, Saikou Y. and Ryzhov, Ilya O. and Yilmaz, Levent and Buckley, Stephen J. and Miller, John A.}}, isbn = {{9781479974863}}, location = {{Savannah, GA, USA}}, pages = {{3423--3434}}, publisher = {{IEEE Press}}, title = {{{A Technical Concept for Plant Engineering by Simulation-Based and Logistic-Integrated Project Management}}}, doi = {{10.1109/WSC.2014.7020175}}, year = {{2014}}, } @article{22384, abstract = {{Additive Manufacturing technologies create parts layer by layer. Thereby, lots of benefits are offered. Especially extended design freedoms provide new potentials for the design of technical parts. To make these benefits accessible to different user groups, design rules for Additive Manufacturing were developed within the project ‘‘Direct Manufacturing Design Rules’’. Therefore a process independent method was defined first. Next, design rules were developed for Laser Sintering, Laser Melting and Fused Deposition Modeling. The results were summarized in a design rule catalog and support a suitable design for Additive Manufacturing }}, author = {{Adam, Guido and Zimmer, Detmar}}, journal = {{CIRP Journal of Manufacturing Science and Technology}}, number = {{1}}, pages = {{20--28}}, title = {{{Design for Additive Manufacturing - Element transitions and aggregated structures}}}, doi = {{10.1016/j.cirpj.2013.10.001 }}, volume = {{7}}, year = {{2014}}, } @inproceedings{8065, abstract = {{Software engineering methods are used to prescribe and coordinate the tasks necessary to plan, build, deliver, and maintain software. There is a broad consensus that there is no one-size-fits-all method and that, e.g., agile and plan-driven approaches have to be mixed sometimes, based on the context of a project. Creating these so-called situational methods and assuring that they cover all necessary details consistently is a challenge. There is also the challenge for the project teams to follow methods as prescribed by the method engineer. Our approach supports the creation of consistent situational methods from a repository of pre-existing building blocks. Moreover, we present means to enact these methods with standard BPEL/BPEL4People workflow engines, automating the coordination of tasks and providing guidance for them.}}, author = {{Fazal-Baqaie, Masud and Gerth, Christian and Engels, Gregor}}, booktitle = {{In Proceedings of the 15th International Conference of Product Focused Software Development and Process Improvement (PROFES 2014)}}, pages = {{281--284}}, publisher = {{Springer}}, title = {{{Breathing Life into Situational Software Engineering Methods}}}, volume = {{8892}}, year = {{2014}}, } @inproceedings{9895, abstract = {{Power semiconductor modules are used to control and switch high electrical currents and voltages. Within the power module package wire bonding is used as an interconnection technology. In recent years, aluminum wire has been used preferably, but an ever-growing market of powerful and efficient power modules requires a material with better mechanical and electrical properties. For this reason, a technology change from aluminum to copper is indispensable. However, the copper wire bonding process reacts more sensitive to parameter changes. This makes manufacturing reliable copper bond connections a challenging task. The aim of the BMBF funded project Itsowl-InCuB is the development of self-optimizing techniques to enable the reliable production of copper bond connections under varying conditions. A model of the process is essential to achieve this aim. This model needs to include the dynamic elasto-plastic deformation, the ultrasonic softening effect and the proceeding adhesion between wire and substrate. This paper focusses on the pre-deformation process. In the touchdown phase, the wire is pressed into the V-groove of the tool and a small initial contact area between wire and substrate arise. The local characteristics of the material change abruptly because of the cold forming. Consequently, the pre-deformation has a strong effect on the joining process. In [1], a pre-cleaning effect during the touchdown process of aluminum wires by cracking of oxide layers was presented. These interactions of the process parameters are still largely unknown for copper. In a first step, this paper validates the importance of modeling the pre-deformation by showing its impact on the wire deformation characteristic experimentally. Creating cross-section views of pre-deformed copper wires has shown a low deformation degree compared to aluminum. By using a digital microscope and a scanning confocal microscope an analysis about the contact areas and penetration depths after touchdown has been made. Additionally, it has to be taken into account that the dynamical touchdown force depends on the touchdown speed and the touchdown force set in the bonding machine. In order to measure the overshoot in the force signals, a strain gauge sensor has been used. Subsequently, the affecting factors have been interpreted independently Furthermore, the material properties of copper wire have been investigated with tensile tests and hardness measurements. In a second step, the paper presents finite element models of the touchdown process for source and destination bonds. These models take the measured overshoot in the touchdown forces into account. A multi-linear, isotropic material model has been selected to map the material properties of the copper. A validation of the model with the experimental determined contact areas, normal pressures and penetration depths reveals the high model quality. Thus, the simulation is able to calculate and visualize the three dimensional pre-deformation with an integrated material parameter of the wire if the touchdown parameters of the bonding machine are known. Based on the calculated deformation degrees of wire and substrate, it is probably possible to investigate the effect of the pre-deformation on the pre-cleaning phase in the copper wire bonding.}}, author = {{Unger, Andreas and Sextro, Walter and Althoff, Simon and Eichwald, Paul and Meyer, Tobias and Eacock, Florian and Brökelmann, Michael}}, booktitle = {{Proceedings of the 47th International Symposium on Microelectronics (IMAPS)}}, keywords = {{pre-deformation, copper wire bonding, finite element model}}, pages = {{289--294}}, title = {{{Experimental and Numerical Simulation Study of Pre-Deformed Heavy Copper Wire Wedge Bonds}}}, year = {{2014}}, } @article{13304, abstract = {{A primary problem in multimedia content production is the plethora of formats and the resulting multiple point-to-point transformation processes in different content formatting specifications. However, these content transformation processes can be conceptually broken down into a limited set of abstract principles. This allows a unified approach that theoretically enables the transformation of any given input channel into any desired output. Based on this principle, the present article introduces the concept of Generic Content Transformation and the related project MOCCA, which develops the corresponding software implementation of generic content transformation for a variety of input and output channels. To balance technical similarities with specific properties of different media channels, we suggest a combination of an XML-based structure (MocML) and a high level authoring environment. Generic Content Transformation further allows for novel means of accessing assets via compound search algorithms. In the second part we summarize and discuss current results and experiences in three scenarios of media production, including mobile media.}}, author = {{Herzog, Michael and Trier, Matthias}}, issn = {{2312-5381}}, journal = {{International Journal of Computing}}, keywords = {{Multimedia Authoring, Mobile Content, Cross Media Production, Content Engineering, Media Retrieval}}, number = {{2}}, pages = {{108--115}}, title = {{{MEDIA ENGINEERING WITH A CONTENT HUB SYSTEM. GENERIC CONTENT TRANSFORMATION FOR MOBILE MEDIA}}}, volume = {{7}}, year = {{2014}}, } @inproceedings{35994, author = {{Laubenstein, Désirée and Scheer, D.}}, location = {{Budapest}}, title = {{{An inclusive school system in Rhineland-Palatinate? Results of a research project and their relevance for international research on inclusive education.}}}, year = {{2014}}, } @inproceedings{47592, author = {{Jonas-Ahrend, Gabriela}}, booktitle = {{Initiatives in mathematics and science education with global implications}}, editor = {{Berlin, D.F. and White, A.L.}}, pages = {{85--89}}, publisher = {{International Consortium for Research in Science and Mathematics Education}}, title = {{{The project virtual science fair for promoting inquiry learning}}}, year = {{2014}}, } @inproceedings{29028, abstract = {{In the last couple of years the amount of structured open government data has increased significantly. Already now, citizens are able to leverage the advantages of open data through increased transparency and better opportunities to take part in governmental decision making processes. Our approach increases the interoperability of existing but distributed open governmental datasets by converting them to the RDF-based NLP Interchange Format (NIF). Furthermore, we integrate the converted data into a geodata store and present a user interface for querying this data via a keyword-based search. The language resource generated in this project is publicly available for download and via a dedicated SPARQL endpoint.}}, author = {{Sherif, Mohamed and Coelho, Sandro and Usbeck, Ricardo and Hellmann, Sebastian and Lehmann, Jens and Brümmer, Martin and Both, Andreas}}, booktitle = {{The 9th edition of the Language Resources and Evaluation Conference, 26-31 May, Reykjavik, Iceland}}, keywords = {{2014 dice simba sherif sys:relevantFor:infai sys:relevantFor:bis sys:relevantFor:geoknow hellmann kilt lehmann usbeck bruemmer nif4oggd group\_aksw kilt Lidmole MOLE}}, title = {{{NIF4OGGD - NLP Interchange Format for Open German Governmental Data}}}, year = {{2014}}, } @article{61027, abstract = {{Parturition is one of the most important yet least observed events in studies of primate life history and reproduction. Here, I report the first documented observation of a bonobo (Pan paniscus) birth event in the wild, at the Luikotale Bonobo Project field site, Democratic Republic of the Congo. The nulliparous mother’s behaviour before, during and after parturition is described, along with reactions of other community members to the birth and the neonate. Data were collected through focal-animal observations, and the events postpartum were photo-documented. The behaviour and spatial distribution of party members were recorded using scan samples. Parturition occurred during the late morning in a social context, with parous females in close proximity to the parturient mother. Placentophagia occurred immediately after delivery, and the parturient shared the placenta with two of the attending females. I compare this observation with reports of parturition in captive bonobos, and highlight the observed female sociality and social support during the birth event. Plausible adaptive advantages of parturition occurring in a social context are discussed, and accrued observations of birth events in wild and free-ranging primates suggest that females may give birth within proximity of others more frequently than previously thought. This account contributes rare empirical data for examining the interface between female sociality and parturition, and the evolution of parturitional behaviours in primates.}}, author = {{Douglas, Pamela Heidi}}, issn = {{0032-8332}}, journal = {{Primates}}, keywords = {{Birth, Pan paniscus, Parturition, Perinatal behaviour, Placentophagia, Female sociality}}, number = {{4}}, pages = {{533--542}}, publisher = {{Springer Science and Business Media LLC}}, title = {{{Female sociality during the daytime birth of a wild bonobo at Luikotale, Democratic Republic of the Congo}}}, doi = {{10.1007/s10329-014-0436-0}}, volume = {{55}}, year = {{2014}}, } @inproceedings{25273, abstract = {{Automation and control systems include many “intelligent” automation devices, which are usually implemented as complex embedded systems. New methods and tools are demanded to cope with the increasing design complexity, while keeping the project on schedule. Proper handling of nonfunctional system requirements is a key factor during the design of industrial automation systems, since in some application domains they are as important as (sometimes, more important than) functional requirements. This paper presents a model-driven engineering approach, which combines Unified Modeling Language (UML) and aspect-oriented software development (AOSD) to design real-time and embedded automation systems. The proposed approach allows a smooth transition from the initial phases to implementation by using software tools, comprising the system specification and the automatic generation of source code. By combining UML with model-level aspects and a script-base code generation tool, it enables the use of AOSD during system design and implementation, even though the target platform does not natively support such concepts. Experimental results on using this approach to design real-world examples of automation systems are presented. The results indicate a positive impact on the design of automation systems. The encapsulation of nonfunctional requirements was improved, increasing the reuse of developed artifacts. Generated source code statistics indicate that the proposed approach can generated a fair amount of code per model element.}}, author = {{Wehrmeister, Marco A. and Pereira, Carlos E. and Rammig, Franz-Josef}}, booktitle = {{ IEEE Trans. on Industrial Informatics vol. 9 (no. 4)}}, pages = {{2373--2386}}, title = {{{Aspect-Oriented Model-Driven Engineering for Embedded Systems Applied to Automation Systems}}}, year = {{2013}}, } @article{29228, abstract = {{The global economic crisis in the 1890s affected the economy of Greece severely, and in 1893 the Greek State had to stop servicing its foreign debt. Part of the<br />problem was the lack of diversity of Greek agricultural production, which was focused on raisins and currants (especially flavourful raisins, grown exclusively in the area around Corinth) for export. The collapse of market prices for this good seriously affected the Greek treasury and society in the growing regions. The Greek government responded by trying to withhold part of the harvest in fertile years to stabilise world market prices. Plans to organise a monopoly company for the currant trade necessitated high sums of capital from abroad. This article investigates the question of how foreign bankers in London (Hambro &amp; Son, Emile Erlanger) and Paris (Banque de l’Union Parisienne) could be convinced to participate in the project. Which factors allowed foreign bankers to trust in the Greek national economy despite its poor reputation? What factors influenced their risk management? The focus is on the role of Greek brokers in persuading the foreigners to invest in Greece, especially the role played by Ioannis Pesmazoglou, the director of the young and innovative Bank of Athens.}}, author = {{Schönhärl, Korinna}}, issn = {{1791-7603}}, journal = {{The Historical Review/La Revue Historique}}, keywords = {{History}}, pages = {{107--134}}, publisher = {{National Documentation Centre (EKT)}}, title = {{{Fighting the Financial Crisis in Greece: The Privileged Company to Protect Production and Trade in Currants (1905) as International Bank Cooperation}}}, doi = {{10.12681/hr.308}}, volume = {{10}}, year = {{2013}}, } @article{46940, author = {{Klingsieck, Katrin B. and Grund, Axel and Schmid, Sebastian and Fries, Stefan}}, issn = {{1543-3382}}, journal = {{Journal of College Student Development}}, keywords = {{Education}}, number = {{4}}, pages = {{397--412}}, publisher = {{Project MUSE}}, title = {{{Why Students Procrastinate: A Qualitative Approach}}}, doi = {{10.1353/csd.2013.0060}}, volume = {{54}}, year = {{2013}}, } @inproceedings{47377, author = {{de Almeida Madeira Clemente, M. and Berndt, Axel and Leitner, H. and Keck, M. and Gaertner, R. and Groh, R.}}, booktitle = {{{HCI International 2013—Posters’ Extended Abstracts}}}, editor = {{Stephanidis, C.}}, pages = {{484–488}}, publisher = {{Springer Verlag}}, title = {{{New Perspectives on Interactivity in Project Management Tools}}}, volume = {{374}}, year = {{2013}}, } @article{28551, abstract = {{The technical article describes the simulative support of work planning and work control through a cloud application. On the basis of virtual machine tools, customers are supported in the automated setup of the machines and in efficient order scheduling. The approach presented is the core of the research project "Intelligent work preparation based on virtual machine tools" (InVorMa) within the framework of the top cluster "Intelligent Technical Systems OstWestfalenLippe" (it's OWL).}}, author = {{Bauer, Frank and Gausemeier, Jürgen and Rehage, Gerald}}, journal = {{wt workshop technology online}}, title = {{{Work preparation 4.0 - cloud-based use of virtual machine tools}}}, year = {{2013}}, } @inproceedings{24543, author = {{Sun, Yaoming and Beer, Stefan and Scheytt, Christoph and Wang, Ruoyu and Zwick, Thomas}}, booktitle = {{RF-MST Cluster Workshop on MEMSWAVE 2012}}, location = {{Antalya}}, title = {{{mm-Wave SOC and SIP Design for 122 GHz Radar SSensor in the EU-FP7 Project SUCCESS}}}, year = {{2012}}, } @inproceedings{26181, abstract = {{The paradigm shift from purchasing monolithic software solutions to a dynamic composition of individual solutions entails many new possibilities yet great challenges, too. In order to satisfy user requirements, complex services have to be automatically composed of elementary services. Multiple possibilities of composing a complex service inevitably emerge. The problem of selecting the most appropriate services has to be solved by comparing the different service candidates with respect to their quality in terms of inherent non-functional properties while simultaneously taking the user requirements into account.We are aiming for an integrated service rating and ranking methodology in order to support the automation of the underlying decision-making process. The main contribution of this paper is a first decomposition of the quality-based service selection process, while emphasizing major issues and challenges, which we are addressing in the On-The-Fly Computing project.}}, author = {{Jungmann, Alexander and Kleinjohann, Bernd}}, booktitle = {{Proceedings of the Fourth International Conferences on Advanced Service Computing (SERVICE COMPUTATION)}}, pages = {{43--47}}, publisher = {{Xpert Publishing Services}}, title = {{{Towards an Integrated Service Rating and Ranking Methodology for Quality Based Service Selection in Automatic Service Composition}}}, year = {{2012}}, } @inproceedings{26190, abstract = {{A major goal of the On-The-Fly Computing project is the automated composition of individual services based on services that are available in dynamic markets. Dependent on the granularity of a market, different alternatives that satisfy the requested functional requirements may emerge. In order to select the best solution, services are usually selected with respect to their quality in terms of inherent non-functional properties. In this paper, we describe our idea of how to model this service selection process as a Markov Decision Process, which we in turn intend to solve by means of Reinforcement Learning techniques in order to control the underlying service composition process. In addition, some initial issues with respect to our approach are addressed.}}, author = {{Jungmann, Alexander and Kleinjohann, Bernd}}, booktitle = {{Proceedings of the 9th IEEE International Conference on Services Computing (SCC)}}, publisher = {{IEEE}}, title = {{{Towards the Application of Reinforcement Learning Techniques for Quality-Based Service Selection in Automated Service Composition}}}, year = {{2012}}, } @inproceedings{2764, author = {{Sievers, M. and Reinhardt, W. and Kundisch, Dennis and Herrmann, Philipp}}, booktitle = {{Proceedings of the 11th World Conference on Mobile and Contextual Learning (mLearn)}}, location = {{Helsinki, Finland}}, title = {{{Developing electronic classroom respose apps for a wide variety of mobile devices - Lessons learned from the PINGO project}}}, year = {{2012}}, } @inproceedings{568, abstract = {{A major goal of the On-The-Fly Computing project is the automated composition of individual services based on services that are available in dynamic markets. Dependent on the granularity of a market, different alternatives that satisfy the requested functional requirements may emerge. In order to select the best solution, services are usually selected with respect to their quality in terms of inherent non-functional properties. In this paper, we describe our idea of how to model this service selection process as a Markov Decision Process, which we in turn intend to solve by means of Reinforcement Learning techniques in order to control the underlying service composition process. In addition, some initial issues with respect to our approach are addressed.}}, author = {{Jungmann, Alexander and Kleinjohann, Bernd}}, booktitle = {{Proceedings of the 9th IEEE International Conference on Service Computing (SCC)}}, pages = {{701--702}}, title = {{{Towards the Application of Reinforcement Learning Techniques for Quality-Based Service Selection in Automated Service Composition}}}, doi = {{10.1109/SCC.2012.76}}, year = {{2012}}, }