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ICSE Workshop on Cooperative and Human Aspects on software engineering, CHASE

作者： Lucas Layman Carolyn Seaman Davide Falessi Madeline Diep Software and Process Analytics Fraunhofer Center for Experimental Software Engineering College Park MD USA Dept. of Information Systems University of Maryland Baltimore MD USA

Maturity in software projects is often equated with data-driven predictability. However, data collection is expensive and measuring all variables that may correlate with project outcome is neither practical nor feasible. In contrast, a project engineer can identify a handful of factors that he or she believes influence the success of a project. The challenge is to quantify engineers' insights in a way that is useful for data analysis. In this exploratory study, we investigate the repertory grid technique for this purpose. The repertory grid technique is an interview-based procedure for eliciting "constructs" (e.g., Adhering to coding standards) that individuals believe influence a worldly phenomenon (e.g., What makes a high-quality software project) by comparing example elements from their past (e.g., projects they have worked on). We investigate the relationship between objective metrics of project performance and repertory grid constructs elicited from eight software engineers. Our results show correlations between the engineers' subjective constructs and the objective project outcome measures. This suggests that repertory grids may be of benefit in developing models of project outcomes, particularly when project data is limited.

关键词： software Productivity Interviews Atmospheric measurements Particle measurements Companies

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26th Annual Computational Neuroscience Meeting (CNS*2017): Part 3 Antwerp, Belgium. 15-20 July 2017 Abstracts

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BMC NEUROSCIENCE 2017年第SUPPL 1期18卷 95-176页

作者： [Anonymous] Department of Neuroscience Yale University New Haven CT 06520 USA Department Physiology & Pharmacology SUNY Downstate Brooklyn NY 11203 USA NYU School of Engineering 6 MetroTech Center Brooklyn NY 11201 USA Departament de Matemàtica Aplicada Universitat Politècnica de Catalunya Barcelona 08028 Spain Institut de Neurobiologie de la Méditerrannée (INMED) INSERM UMR901 Aix-Marseille Univ Marseille France Center of Neural Science New York University New York NY USA Aix-Marseille Univ INSERM INS Inst Neurosci Syst Marseille France Laboratoire de Physique Théorique et Modélisation CNRS UMR 8089 Université de Cergy-Pontoise 95300 Cergy-Pontoise Cedex France Department of Mathematics and Computer Science ENSAT Abdelmalek Essaadi’s University Tangier Morocco Laboratory of Natural Computation Department of Information and Electrical Engineering and Applied Mathematics University of Salerno 84084 Fisciano SA Italy Department of Medicine University of Salerno 84083 Lancusi SA Italy Dipartimento di Fisica Università degli Studi Aldo Moro Bari and INFN Sezione Di Bari Italy Data Analysis Department Ghent University Ghent Belgium Coma Science Group University of Liège Liège Belgium Cruces Hospital and Ikerbasque Research Center Bilbao Spain BIOtech Department of Industrial Engineering University of Trento and IRCS-PAT FBK 38010 Trento Italy Department of Data Analysis Ghent University Ghent 9000 Belgium The Wellcome Trust Centre for Neuroimaging University College London London WC1N 3BG UK Department of Electronic Engineering NED University of Engineering and Technology Karachi Pakistan Blue Brain Project École Polytechnique Fédérale de Lausanne Lausanne Switzerland Departement of Mathematics Swansea University Swansea Wales UK Laboratory for Topology and Neuroscience at the Brain Mind Institute École polytechnique fédérale de Lausanne Lausanne Switzerland Institute of Mathematics University of Aberdeen Aberdeen Scotland UK Department of Integrativ

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Solving the movie database case with QVTo 7

Solving the movie database case with QVTo

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7th Transformation Tool Contest, TTC 2014, Part of the software Technologies: Applications and Foundations, STAF 2014

作者： Gerking, Christopher Heinzemann, Christian Software Engineering Group Heinz Nixdorf Institute University of Paderborn Germany Fraunhofer IPT Project Group Mechatronic Systems Design Software Engineering Paderborn Germany

This paper proposes a solution to the IMDb movie database case of the Transformation Tool Contest 2014. Our solution is based on the Eclipse implementation of the OMG standard QVTo. We implemented all of the tasks including all of the extension tasks. Our benchmark results show that QVTo is able to handle models with a few thousand objects. Copyright © 2014.

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Flexible integration of cloud-based engineering services using semantic technologies

Flexible integration of cloud-based engineering services usi...

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IEEE International Conference on Industrial Technology (ICIT)

作者： Christian Stahl Efstratios Bellos Christian Altenhofen Jon Hjelmervik Innovative Factory Systems (IFS) German Research Center for Artificial Intelligence (DFKI) Kaiserslautern Germany Numeca International Software Engineering Group Brussels Belgium Interactive Engineering Technologies Fraunhofer IGD Darmstadt Germany SINTEF ICT Heterogeneous Computing Group Oslo Norway

ISBN: (纸本)9781479978014

Cloud-based engineering services and applications can enable a more flexible, dynamic and integrated usage of software solutions such as CAD, CAM, CFD and PLM. On-demand availability of extensive computing power can lead to significantly improved products, especially for small- and medium-sized companies. In addition to these technical advantages, offering such integrated solutions in the Cloud opens the door to new business models for the software vendors, who can e.g. sell their software on a pay-per-use basis, thus attracting more possible customers. However, to exploit these benefits, such Cloud-based services must be easily accessible and combinable with minimal manual effort - even if they are provided by different software vendors. In this work, we propose a workflow (which is typically a chain of single services) description and execution system based on semantic technologies which abstracts from vendor-specific interfaces and thus allows an effective usage of Cloud-based engineering services in common workflows.

关键词： Semantics Computational fluid dynamics Vocabulary Manufacturing Simple object access protocol

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Low-level variability support for web-based software product lines 14

Low-level variability support for web-based software product...

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8th International Workshop on Variability Modelling of software-Intensive systems, VaMoS 2014

作者： Machado, Ivan Do Carmo Santos, Alcemir Rodrigues Cavalcanti, Yguaratã Cerqueira Trzan, Eduardo Gomes De Souza, Marcio Magalhães De Almeida, Eduardo Santana Federal University of Bahia Salvador Brazil Federal University of Pernambuco Recife Brazil Recôncavo Institute of Technology Salvador Brazil Fraunhofer Project Center for Software and Systems Engineering Salvador Brazil

ISBN: (纸本)9781450325561

The Web systems domain has faced an increasing number of devices, browsers, and platforms to cope with, driving software systems to be more flexible to accomodate them. software product line (SPL) engineering can be used as a strategy to implement systems capable of handling such a diversity. To this end, automated tool support is almost indispensable. However, current tool support gives more emphasis to modeling variability in the problem domain, over the support of variability at the solution domain. There is a need for mapping the variability between both abstraction levels, so as to determine what implementation impact a certain variability has. In this paper, we propose the FeatureJS, a FeatureIDE extension aiming at Javascript and HTML support for SPL engineering. The tool combines feature-oriented programming and preprocessors, as a strategy to map variability at source code with the variability modeled at a higher level of abstraction. We carried out a preliminary evaluation with an industrial project, aiming to characterize the capability of the tool to handle SPL engineering in the Web systems domain. © 2014 ACM.

关键词： software design

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Viewpoints and views in hardware platform modeling for safe deployment

Viewpoints and views in hardware platform modeling for safe ...

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2nd Workshop on View-Based, Aspect-Oriented and Orthographic software Modelling, VAO 2014

作者： Pohlmann, Uwe Meyer, Matthias Dann, Andreas Brink, Christopher Fraunhofer IPT Project Group Mechatronic Systems Design Software Engineering Zukunftsmeile 1 33102 Paderborn Germany Software Engineering Group Heinz Nixdorf Institute University of Paderborn Zukunftsmeile 1 33102 Paderborn Germany

ISBN: (纸本)9781450329002

Future cyber-physical systems will behave smart, i.e., they will provide self-*properties and collaborate with each other. software realizes this smart behavior. In modern cars, a hardware platform consists of up to 100 networked electronic control units (ECUs) that execute the software. As the amount of safety-critical software increases, the task of describing a suitable hardware platform for deploying safety-critical software components to ECUs becomes more complicated. Existing approaches for the definition of a hardware platform do not address the different stakeholder's concerns and do not provide a systematic method. This leads to an error-prone development. In this paper, we identify viewpoints for the stakeholder's concerns and provide a method for the multi-view modeling of hardware platforms. In addition, we support hierarchical and variable horizontal composition of hardware platforms by transferring concepts from component-based software engineering. To test our method, we use an Arduino-based cooperative adaptive cruise control system. © 2014 ACM.

关键词： Cyber Physical System

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Identifying strategies on god class detection in two controlled experiments 26

Identifying strategies on god class detection in two control...

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26th International Conference on software engineering and Knowledge engineering, SEKE 2014

作者： Santos, José Amancio M. De Mendonça, Manoel G. State University of Feira de Santana Technology Department Bahia Brazil Fraunhofer Project Center for Software and Systems Eng. Federal University of Bahia Bahia Brazil

Context: "Code smell" is commonly presented as indicative of problems in design of object-oriented systems. However, some empirical studies have presented findings refuting this idea. One of the reasons of the misunderstanding is the low number of studies focused on the role of human on code smell detection. Objective: Our aim is to build empirical support to exploration of the human role on code smell detection. Specifically, we investigated strategies adopted by developers on god class detection. God class is one of the most known code smell. Method: We performed a controlled experiment and replicated it. We explored the strategies from the participant's actions logged during the detection of god classes. Result: One of our findings was that the observation of coupling is more relevant than the observation of attributes like LOC or complexity and the hierarchical relation among these. We also noted that reading source code is important, even with visual resources enhancing the general comprehension of the software. Conclusion: This study contributes to expand the comprehension of the human role on code smell detection through the use of automatic logging. We suggest that this approach brings a complementary perspective of analysis in discussions about the topic. Copyright © 2014 by Knowledge systems Institute Graduate School.

关键词： Code smell Controlled experiment God class

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Recovering valuable information behaviour from OSS contributors: An exploratory study 26

Recovering valuable information behaviour from OSS contribut...

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26th International Conference on software engineering and Knowledge engineering, SEKE 2014

作者： Farias, Mário André De F. Ortins, Paulo Novais, Renato Colaço, Methanias Mendonça, Manoel Federal University of Bahia Bahia Brazil Federal Institute of Bahia Bahia Brazil Federal University of Sergipe Bahia Brazil Federal Institute of Sergipe Bahia Brazil Fraunhofer Project Center for Software and Systems Engineering Bahia Brazil

Context. Distributed software development is currently a modern practice in software industry. This is especially true in Open Source software (OSS) development community. Understanding how developers' practices are on those projects may guide communities to successfully manage their projects. Goal. We mined two repositories of the Apache Httpd project in order to gather information about its developers' behavior. Methods. We developed an approach to cross data gathered from mail list and source code repository through mining techniques. The approach uses software visualization to analyze the mined data. We conducted an experimental evaluation of the approach to assess the behavioral patterns from OSS development community. Results. The collected data built a rich set of information. The results highlight Apache developers' behavior patterns. We perceived that there is a correlation over time between emails and commits of the Apache project developers. Conclusion. The use of data mining and software visualization to analyze crossing data sources can spot important properties of the development process. Copyright © 2014 by Knowledge systems Institute Graduate School.

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A visual tracking model implemented on the iCub robot as a use case for a novel neurorobotic toolkit integrating brain and physics simulation

A visual tracking model implemented on the iCub robot as a u...

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IEEE-RAS International Conference on Humanoid Robots

作者： Lorenzo Vannucci Alessandro Ambrosano Nino Cauli Ugo Albanese Egidio Falotico Stefan Ulbrich Lars Pfotzer Georg Hinkel Oliver Denninger Daniel Peppicelli Luc Guyot Axel Von Arnim Stefan Deser Patrick Maier Rudiger Dillman The BioRobotics Institute Scuola Superiore Sant'Anna Department of Intelligent Systems and Production Engineering (ISPE - IDS/TKS) at the FZI Research Center for Information Technology Department of Software Engineering (SE) at the FZI Research Center for Information Technology Blue Brain Project (BBP) at Ecole polytechnique federale de Lausanne (EPFL) fortiss GmbH Department of Informatics at Technical University of Munich

ISBN: (纸本)9781479968862

Developing neuro-inspired computing paradigms that mimic nervous system function is an emerging field of research that fosters our model understanding of the biological system and targets technical applications in artificial systems. The computational power of simulated brain circuits makes them a very promising tool for the development for brain-controlled robots. Early phases of robotic controllers development make extensive use of simulators as they are easy, fast and cheap tools. In order to develop robotics controllers that encompass brain models, a tool that include both neural simulation and physics simulation is missing. Such a tool would require the capability of orchestrating and synchronizing both simulations as well as managing the exchange of data between them. The Neurorobotics Platform (NRP) aims at filling this gap through an integrated software toolkit enabling an experimenter to design and execute a virtual experiment with a simulated robot using customized brain models. As a use case for the NRP, the iCub robot has been integrated into the platform and connected to a spiking neural network. In particular, experiments of visual tracking have been conducted in order to demonstrate the potentiality of such a platform.

关键词： physical simulation visual tracking Robot tool cases Brain modeling Nervous System Physiological Phenomena simulating field surveys Fostering

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A modelica coordination pattern library for cyber-physical systems 14

A modelica coordination pattern library for cyber-physical s...

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7th International Conference on Simulation Tools and Techniques, SIMUTools 2014

作者： Pohlmann, Uwe Dziwok, Stefan Meyer, Matthias Tichy, Matthias Thiele, Sebastian Fraunhofer IPT Project Group Mechatronic Systems Design Software Engineering Zukunftsmeile 1 Paderborn33102 Germany Software Engineering Group Heinz Nixdorf Institute University of Paderborn Zukunftsmeile 1 Paderborn33102 Germany Software Engineering Division Department of Computer Science and Engineering Chalmers University of Gothenburg Sweden

ISBN: (纸本)9781631900075

Today's embedded systems often do not operate individually anymore. Instead, they form so called cyber-physical systems, where the overall functionality is provided by the collaboration of systems. Consequently, the design of this collaboration is an important activity during development and strongly affects system quality. In previous work, we presented a catalog of reusable messagebased real-time coordination patterns to avoid manual creation of new and, thus, error-prone designs. In this paper, we present an implementation of this catalog by a library in the Modelica language and an appropriate development process. The library stores ready to reuse solutions for common coordination activities and, thus, increases efficiency and effectiveness for use. Furthermore, the use of Modelica enables early holistic simulation of cyber-physical systems including feedback controllers and message-based coordination. We illustrate the library with examples from an autonomous railway vehicle and present an early evaluation. Copyright © 2014 ICST.

关键词： Cyber Physical System

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