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International Workshop on Cyber-Physical Production systems (CPPS)

作者： Angelika Musil Juergen Musil Stefan Biffl CDL-Flex Institute of Software Technology and Interactive Systems Vienna Austria

The engineering process of Cyber-Physical Production systems (CPPS) involves collaboration of multiple engineering disciplines. Major obstacles arising from these multi-disciplinary engineering processes are heterogeneous representations, weak accumulation and integration of dispersed, local engineering knowledge, and required effective coordination between multi-disciplinary engineering teams across the organization. Further, heterogeneous communication channels lead to increased information sharing effort for individual team members, ill-structured knowledge representation and management, and poor discoverability of business-critical know-how. These challenges can be addressed by Collective Intelligence systems (CIS) that enhance engineering methods and tools in large, multi-disciplinary projects. CIS help to identify important implicit, hard-to-access dispersed information and engineering knowledge, make it explicit, and promote the awareness and efficient management of this business-critical knowledge. Therefore, this paper presents a research agenda focusing on the systematic and empirically-grounded investigation of needs, basic concepts, principles, and models of CIS software architectures in particular application domains, and outlines expected results.

关键词： software Context Systematics Knowledge engineering Computer architecture Organizations

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Web of needs: A process overview 12

Web of needs: A process overview

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12th Joint International Conference on Semantic systems, SEMANTiCS 2016 and the 1st International Workshop on Semantic Change and Evolving Semantics, SuCCESS 2016

作者： Kleedorfer, Florian Human, Soheil Friedrich, Heiko Huemer, Christian Research Studio Smart Agent Technologies Research Studios Austria Thurngasse 8 WienA-1090 Austria Institute for Software Technology and Interactive Systems Vienna University of Technology Favoritenstrasse 9-11 WienA-1040 Austria

The Web of Needs (WoN) is an approach for expressing and publishing human needs on the Internet as linked data to allow automatic matching of the expressed needs and communication between users who expressed them. In this paper we summarize the processes realized by the diffierent architectural components and explain the decision to use a linked data based messaging subsystem. © 2016 Copyright held by the author/owner(s).s).

关键词： Linked data

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Verifiability and traceability in a linked data based messaging system 2016

Verifiability and traceability in a linked data based messag...

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12th International Conference on Semantic systems, SEMANTiCS 2016

作者： Kleedorfer, Florian Panchenko, Yana Busch, Christina Maria Huemer, Christian Studio Smart Agent Technologies Research Studios Austria FG Thurngasse 8/2/16 Vienna1090 Austria Institute for Software Technology and Interactive Systems Vienna University of Technology Favoritenstrasse 9-11 Vienna1040 Austria

ISBN: (纸本)9781450347525

When linked data applications communicate, they commonly use messaging technologies in which the message exchange itself is not represented as linked data, since it takes place on a different architectural level. When a message cannot be verified and traced on the linked data level, trust in data is moved from message originators to service providers. However, there are use cases in which the actual message exchange and its verifiability are of importance. In such situations, the separation between application data and communication data is not desirable. To address this, we propose messaging based on linked data, where communicating entities and their messages are represented as interconnected Web resources, and we show how conversations can be made verifiable using digital signatures. © 2016 Copyright held by the owner/author(s).

关键词： Linked data

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Integrating matching services into the web of needs 12

Integrating matching services into the web of needs

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12th Joint International Conference on Semantic systems, SEMANTiCS 2016 and the 1st International Workshop on Semantic Change and Evolving Semantics, SuCCESS 2016

作者： Friedrich, Heiko Kleedorfer, Florian Human, Soheil Huemer, Christian Studio Smart Agent Technologies Research Studios Austria FG Thurngasse 8/2/16 Vienna1090 Austria Institute for Software Technology and Interactive Systems Vienna University of Technology Favoritenstrasse 9-11 Vienna1040 Austria

Many platforms or marketplaces on the web offer services that describe supply in certain domains. Users have to search actively and often multiple times in different closed platforms to find what they want. This approach produces a lot of overhead for users which can only to some extend be reduced by recommendations and filtering for relevant information. The Web of Needs is an open infrastructure that aims to address this situation. Instead of users searching actively, they express and publish their needs (supply and demand) as linked data documents and get notified when suitable matches have been found. For this approach to work, need documents must be matched with each other by so-called matching services running in the background. The system allows multiple matching services to run in parallel that may be tuned for certain domains of needs. In this paper we describe a prototypical matching service architecture and explain how it can be extended to integrate custom matching algorithms into the Web of Needs. © 2016 Copyright held by the author/owner(s).s).

关键词： Linked data

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Sharing Project Experience through Case-based Reasoning

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Procedia Computer Science 2016年 99卷 4-14页

作者： Jürgen Dorn Technische Universität Wien Institute for Software Technology and Interactive Systems Favoritenstraße 9-11 A-1040 Wien Austria

Today, most knowledge-based companies organize work in projects. Due to different reasons knowledge gained in projects is not documented and shared in an appropriate manner resulting in the problem that critical knowledge is lost. We propose case-based storage of relevant knowledge and an appropriate reasoning about this knowledge to support organizations in new projects. In order to achieve this objective, we have analyzed which kind of critical knowledge is gained in projects or other way round, which missing knowledge results in the failing of projects. A case is a pre-defined knowledge structure filled out by potentially different stakeholders of the project. After the first planning of a new project, if the project characteristics are entered, case-based reasoning is used to find similar old projects and derive from them additional attributes and to make potential risks visible. This is useful to better estimate the effort of a project, the required human competences and the required communication between stakeholders. This knowledge transfer can support also other phases of a project such as scheduling activities. In a closing phase, individual problems solved in the project can be documented as a kind of lessons-learned attempt.

关键词： Knowledge Sharing Project Management Case-based Reasoning

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Online cofounder search in tech startups 16

Online cofounder search in tech startups

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18th International Conference onInformation Integration and Web-Based Applications and Services, iiWAS 2016

作者： Bursuk, Iryna Mladenow, Andreas Novak, Niina Maarit Strauss, Christine University of Vienna Department of EBusiness Oskar Morgenstern Platz 1 1090 Vienna Austria Vienna University of Techno-logy Institute of Software Technology and Interactive Systems Favoritenstr. 9-11 Vienna1040 Austria

ISBN: (纸本)9781450348072

Current recruiting processes are largely supported by diverse online solutions. Online application systems, virtual interviewing, and search for employees through professional social networks such as LinkedIn and XING have become common for both medium and large companies. Moreover, during the period after recession, i.e. 2009 to 2011, there was a trend towards customized e-Applications and social networks to satisfy the personnel recruiting requirements of specific industries and types of business. In this paper an analysis of e-Applications used for recruiting purposes is performed as well as for a cofounder search in the ICT-sector;emphasis is placed on the subsector of technology startups. © 2016 ACM.

关键词： Online systems

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Towards Liquid Models: An Evolutionary Modeling Approach

Towards Liquid Models: An Evolutionary Modeling Approach

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IEEE Conference on Commerce and Enterprise Computing, CEC

作者： Alexandra Mazak Manuel Wimmer Business Informatics Group Institute of Software Technology and Interactive Systems TU Wien Vienna Austria

Today, we recognize a discrepancy between design time models concentrating on the desired behavior of a system and its real world correspondents reflecting deviations taking place at runtime. In order to close this gap, design time models must not be static, but evolutionary artifacts so called liquid models. Such liquid models are the cornerstone of our future research project CDL-MINT: Model Integrated Smart Production. In this position paper, we present an early result of this project: the liquid models architecture for linking design models to runtime concerns, which are derived from distributed and heterogeneous systems during operation. We elaborate on the proposed technologies for the respective architecture layers and identify the research challenges ahead.

关键词： Load modeling Runtime Data models Adaptation models Unified modeling language Liquids Data mining

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Towards semantic integration of plant behavior models with AutomationML's intermediate modeling layer 4

Towards semantic integration of plant behavior models with A...

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4th International Workshop on the Globalization of Modeling Languages, GEMOC 2016

作者： Mayerhofer, Tanja Wimmer, Manuel Berardinelli, Luca Maetzler, Emanuel Schmidt, Nicole Business Informatics Group TU Wien Vienna Austria Institute of Software Technology and Interactive Systems CDL Flex TU Wien Vienna Austria Faculty of Mechanical Engineering Otto-v.-Guericke University Magdeburg Germany

AutomationML is an emerging IEC standard for storing and exchanging engineering data among the heterogeneous software tools involved in the engineering of production systems. One important subset of such engineering data is the plant behavior. To make this data exchangeable, AutomationML uses the existing industry data format PLCopen XML. However, at the development stages of production systems, the plant behavior is usually defined using other representation means, such as Gantt charts, impulse diagrams, and sequential function charts. To make such plant behavior models exchangeable, AutomationML introduces the so-called Intermediate Modeling Layer (IML) with corresponding transformation rules to decouple the employed modeling languages from the target format PLCopen XML. However, IML itself as well as the transformations from and to IML are only semi-formally described. This not only hinders the adoption of IML as a common language for representing plant behavior, but also renders impossible the composition of heterogeneous plant behavior models for carrying out integrated analyses of the global plant behavior. In this work, we aim at clarifying syntactical and semantical aspects of IML by proposing a metamodel and operational semantics for IML. This constitutes the first step towards formalizing and validating transformations between behavioral modeling languages currently employed in the production domain (e.g., Gantt charts), IML, and PLCopen XML. Having this foundation, we aim at utilizing IML as the semantic domain for the composition of heterogeneous plant behavior models.

关键词： XML

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On leveraging UML/OCL for model synchronization 10

On leveraging UML/OCL for model synchronization

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10th Workshop on Models and Evolution, ME 2016

作者： Bill, Robert Gogolla, Martin Wimmer, Manuel Institute for Software Technology and Interactive Systems TU Wien Favoritenstraße 9-11 WienA-1110 Austria Department for Mathematics and Computer Science Universität Bremen PO Box 330440 BremenD-28334 Germany

Modelling complex system often results in different but overlapping modelling artifacts which evolve independently. Thus, inconsistencies may arise which lead to unintended effects on the modelled system. To mitigate this situation, model synchronization is seen as a recurring and crucial maintenance task which requires to restore consistency between multiple models using the most suitable changes. Currently, different languages and tools are used for inter-model consistency management than for intra-model consistency where UML/ OCL is an accepted solution. Consequently, the result of synchronizing models solely based on inter-model constraints might result into inappropriately evolved models w.r.t. intra-model constraints. In this paper, we present a synchronization model formalized in UML/OCL which covers explicit consistency and change models including costs and which considers both, inter-model and intra-model constraints at the same time. Instances of this synchronization model represent successful synchronization scenarios. In particular, models can be synchronized, also taking into account their predecessor versions, by finding a constraint violation-free extension of a partial model including those instances which may be optimized for minimal cost. We prototypically implemented this approach using a model finder to automatically retrieve synchronized models and the change operations to compute them by completing the partial model.

关键词： Synchronization

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A multiple-perspective analysis of doctoral interdisciplinarity

A multiple-perspective analysis of doctoral interdisciplinar...

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International Conference on Information technology Based Higher Education and Training, ITHET

作者： María del Carmen Calatrava Moreno Petra Kynčlová Hannes Werthner Electronic Commerce Group Institute of Software Technology and Interactive Systems Vienna University of Technology Institute of Statistics and Mathematical Methods in Economics Vienna University of Technology

Interdisciplinary and assessment initiatives are two parallel educational paradigms that are being increasingly implemented in higher education institutions. Our study combines these two paradigms in order to assess the significance and performance of factors and processes that facilitate interdisci-plinarity at the doctoral level. Using the 360-degree feedback methodology, we integrate the perspectives of different academic stakeholders in the assessment, namely students, post-doctoral researchers, professors, directors, visiting professors and research funding agencies. Therefore, this study not only provides a global assessment but also informative intermediate results, such as analyses on the alignment and discrepancies of stakeholders as well as the identification of priorities for improvement. This paper presents the development and implementation of this multiple-perspective assessment within an academic context and discusses the results of its application in a European faculty of computer science where several doctoral programs with different approaches to interdisciplinarity co-exist.

关键词： Medical services Education Stakeholders Europe Interviews Computer science Indexes

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